OMEGA HEALTH SYSTEMS INC
8-K, 1997-05-16
OFFICES & CLINICS OF DOCTORS OF MEDICINE
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT
     Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934


          Date of Report (Date of earliest event reported): May 2, 1997


                           OMEGA HEALTH SYSTEMS, INC.
             (Exact name of registrant as specified in its charter)


                                    Delaware
                 (State or other jurisdiction of incorporation)


                                     0-19283
                            (Commission File Number)


                                   63-0858713
                      (I.R.S. Employer Identification No.)


         5100 Poplar Avenue, Suite 2100, Memphis, Tennessee      38137
              (Address of principal executive offices)        (Zip Code)


        Registrant's telephone number, including area code: 901-683-7868


                                 Not applicable
              (Former name, former address and former fiscal year,
                          if changed since last report)

















                                      -1-

<PAGE>


                   INFORMATION TO BE INCLUDED IN THE REPORT

Item 1.  Acquisition or Disposition of Assets.

On May 2, 1997,  Omega  Health  Systems of  Indiana , Inc.  (Omega-Indiana)  , a
wholly-owned  subsidiary of the Registrant,  merged with Faust Eye Center, P.C.,
an  Indiana   professional   corporation  which  had  practiced   ophthalmology.
Subsequent  to the merger,  Omega-Indiana  entered  into a long-term  management
agreement with a new  professional  corporation  owned by Joseph Faust,  M.D. to
carry  on the  practice  formerly  conducted  by  Faust  Eye  Center,  P.C.  The
consideration  for the merger  consisted of 169,000  shares of the  Registrant's
common stock and cash of approximately $460,000.

Also on May 2, 1997,  Omega-Indiana  and  Outpatient  Surgery Center of Indiana,
Inc.(OSCII),  an  Indiana  corporation  owned by Dr.  Faust,  formed an  Indiana
limited  liability  partnership.  In  connection  with the formation of the LLP,
Omega-Indiana contributed $1,241,000 in cash and OSCII contributed the assets of
its surgery center with an agreed upon value of $2,481,000. The Partnership then
made a  distribution  to OSCII equal to  $1,241,000.  After these  transactions,
Omega-Indiana  owns a 50%  interest  in the LLP and OSCII  owns a 50%  interest.
Omega-Indiana is managing partner under the terms of the partnership agreement.

On May 2, 1997,  Omega  Acquisition  Subsidiary,  Inc.  (OASI),  a  wholly-owned
subsidiary of the  Registrant,  completed a merger with Primary  Eyecare Network
(PEN) and P.E.N. Resources, Inc. (Resources). PEN and Resources provide products
and services to independent  optometrists,  enhancing  their ability to practice
successfully in a competitive eye care  marketplace.  The  consideration for the
merger  consisted of $1.9 million in cash and 195,000 shares of the Registrant's
common stock.

The Registrant  financed the cash portion of these  transactions with borrowings
under its Revolving Credit Facility with NationsCredit Commercial Corporation

Item 2.  Financial Statements and Exhibits.

      (a)   Financial   Statements  of  the  Business  Acquired  and  Pro  Forma
            Financial Statements

                  To be filed by amendment  within 60 days of the date that this
                  report is due.

      (b)   Exhibits

      2.1   Press Release dated May 6 , 1997
      2.2   Press Release dated May 5, 1997
      2.3   Merger  Agreement by and among Faust Eye Center,  P.C., Omega Health
            Systems of Indiana,  Inc.,  Omega  Health  Systems,  Inc. and Joseph
            Faust, M.D.
      2.4   Partnership Agreement of Outpatient Surgery Center of Indiana, LLP
      2.5   Merger  Agreement by and between Leonard Osias,  O.D.,  Irene Osias,
            both as Trustees of the Osias  Family  Trust dated  August 18, 1988,
            Primary  Eyecare  Network,  P.E.N.  Resources,  Inc.,  Omega  Health
            Systems, Inc. and Omega Acquisition Subsidiary, Inc.




                                      -2-

<PAGE>


                                  SIGNATURES

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned thereunto duly authorized.

                                    OMEGA HEALTH SYSTEMS, INC.


Date:  May 16, 1997                 By:  /S/ RONALD L. EDMONDS
                                       -----------------------
                                       Ronald L. Edmonds
                                       Executive Vice President and
                                       Chief Financial Officer







































                                      -3-





                                                                     EXHIBIT 2.1
                                                                     -----------

                         OMEGA COMPLETES ADDITION OF
                      FAUST-GELVIN EYE CENTER IN INDIANA

Memphis,  Tenn - May 6, 1997 - Omega Health Systems,  Inc. (Nasdaq:  OHSI) today
announced  that  it  has  completed  the   acquisition  of  the  assets  of  the
ophthalmology  practice of Joseph F. Faust, MD, known as Faust-Gelvin Eye Center
and a 50%  interest in the  associated  ambulatory  surgery  center.  Omega also
entered  into  long-term  agreements  to manage  both the  practice  and surgery
center.  The  Faust-Gelvin  Eye Center has  offices in Marion,  Indiana and Fort
Wayne, Indiana. The ambulatory surgery center is located in Marion.

Dr. Faust is  board-certified  in ophthalmology.  He received his medical degree
from Indiana  University in 1977 and completed his residency in ophthalmology in
1981. He is a fellow of the American Academy of Surgeons and is  board-certified
in ophthalmology. Three doctors associated with the practice, John Gelvin, O.D.,
Karen Skurner,  O.D. and Dr. Faust are all adjunct  assistant  professors of the
Indiana University School of Optometry.

The  practice  and the  ambulatory  surgery  center  had  combined  revenues  of
approximately  $2.7 million in 1996. In connection with the transactions,  Omega
issued  169,000  shares of its common stock and paid $1.7  million in cash.  The
transaction will be accounted for as a purchase.

Thomas P. Lewis,  president and chief executive  officer of Omega,  commented on
the addition of the Faust  practice,  "We are delighted to have added this large
successful  practice to the Omega network.  This practice is an excellent fit as
we expand in the Midwest.  This is the fourth  acquisition  we have completed in
1997.  We now have  practices  in 16 markets  with 78 points of service and five
ambulatory surgery centers.  These practices are staffed by 37  ophthalmologists
and 31 optometrists."

Omega Health Systems is an integrated eye care services company providing a full
range of services to optometry and ophthalmology practices, including management
services, managed care programs,  purchasing and marketing services and practice
acquisition  opportunities.  Additional  information about Omega can be found on
the world wide web at www.omegahealth.com.










                                      -4-





                                                                     EXHIBIT 2.2
                                                                     -----------

                         OMEGA COMPLETES MERGER WITH
                           PRIMARY EYECARE NETWORK

MEMPHIS,  Tenn.,  May 5 -- Omega  Health  Systems,  Inc.  (Nasdaq:  OHSI)  today
announced that it has completed a merger with Primary Eyecare Network.



Primary Eyecare Network (PEN), based in San Ramon, California, provides products
and services to independent  optometrists,  enhancing  their ability to practice
successfully  in a competitive  eye care  marketplace.  These  support  services
include management, purchasing, education, training and publications. PEN, which
was founded by Leonard Osias, OD, FAAO, in 1984,  currently provides services to
over 1,000  optometrists  with over 700 practice  locations  and had revenues of
approximately  $36 million in 1996. In connection with the merger,  Omega issued
195,000  shares of its  common  stock to the  shareholders  of PEN and paid $1.9
million in cash.  PEN will be operated as a subsidiary  under the  leadership of
its president, Allen Leck.



Thomas P. Lewis,  president and chief executive  officer of Omega,  commented on
the merger with PEN, "With the PEN  transaction  and the other  acquisitions  we
have completed to date, our revenue run rate is now over $86 million, double our
1996  revenues.  The merger with PEN adds another  important  dimension to Omega
Health  Systems and we believe it will help lead our future  growth.  It is good
cultural fit and allows us to  strengthen  our  relationship  with  optometry by
providing optometric  practices with high quality management services.  PEN will
have  access to the  resources  of the  entire  Omega  organization  to  provide
additional services to its member practices."



Omega Health Systems is an integrated eye care services company providing a full
range of services to optometry and ophthalmology practices, including management
services, managed care programs,  purchasing and marketing services and practice
acquisition  opportunities.  Additional  information about Omega can be found on
the World Wide Web at www.omegahealth.com.







                                      -5-


                                                                     EXHIBIT 2.3
                                                                     -----------

                               MERGER AGREEMENT
                               ----------------


      THIS MERGER  AGREEMENT  ("Agreement") is entered into as of the 1st day of
May,  1997,  by and  among  FAUST  EYE  CENTER,  P.C.  an  Indiana  professional
corporation  (the  "Corporation");  OMEGA HEALTH  SYSTEMS OF INDIANA,  INC.,  an
Indiana  corporation   ("Omega");   OMEGA  HEALTH  SYSTEMS,   INC.,  a  Delaware
corporation  ("OHSI") and JOSEPH FAUST,  M.D., a citizen and resident of Indiana
("Stockholder").

                             W I T N E S S E T H:

      WHEREAS, Corporation is an Indiana corporation,  which owns certain assets
which are used by and/or  result from  Stockholder's  practice of providing  eye
care to patients;

      WHEREAS,  Stockholder is the sole  stockholder of Corporation  and is an
ophthalmologist practicing medicine in the State of Indiana;

      WHEREAS, Omega is a wholly-owned subsidiary of OHSI;

      WHEREAS,  Corporation,  Omega and Stockholder  intend that the transaction
consummated  pursuant  to  this  Agreement  shall  qualify  as a  reorganization
pursuant  to (beta)  368(a)(1)(A)  and (beta)  368(a)(l)(E)(i)  of the  Internal
RevenUE CODe of 1986, as amended ("Code" or "I.R.C."); and

      WHEREAS,  the  parties  desire  to set  forth in  writing  the  terms  and
conditions under which said transaction will be consummated.

      NOW,  THEREFORE,  in  consideration of the mutual covenants and agreements
set forth  herein,  and other good and valuable  consideration,  the receipt and
sufficiency  of which are hereby  acknowledged  by the parties,  it is agreed as
follows:

                                  ARTICLE I.
                                  ----------

                              MERGER TRANSACTION

      I.1 BASIC  TRANSACTION  (a)  Subject to the terms and  conditions  of this
Agreement,  at the closing (as defined in Section 1.1(b)(i)),  Corporation shall
be merged with and into Omega in accordance with this Agreement and the separate
corporate  existence of Corporation shall thereupon cease (the "Merger").  Omega
shall be the surviving corporation in the Merger (sometimes hereinafter referred
to as the "Surviving Corporation").  The Merger shall have the effects specified
in Section 23-1-40,  ET SEQ. of the Indiana Bus. Corp. Law (IBCL) as amended. By



                                      -6-

<PAGE>


execution and delivery of this Agreement, Stockholder hereby approves the Merger
on the terms and subject to the  conditions  set forth  herein,  which  approval
shall be  effective  as an action  without a meeting  pursuant to  Corporation's
bylaws and the IBCL.

      (b)  EFFECT OF MERGER.

            (i)  GENERAL.  If all the  conditions  to the  Merger  set  forth in
      ARTICLE IV shall have been fulfilled or waived in accordance  herewith and
      this Agreement shall not have been terminated as provided in ARTICLE XIII,
      the parties hereto shall cause Articles of Merger meeting the requirements
      of the IBCL to be properly executed,  verified and delivered for filing in
      accordance with the IBCL on the Closing Date set forth in ARTICLE III. The
      Merger shall become  effective  upon the later of acceptance for filing of
      the Articles by the  Secretary of State of the State of Indiana or at such
      later time which the parties  hereto shall have agreed upon and designated
      in the Articles of Merger in accordance  with  applicable law as in effect
      at the time of the Merger (the "Closing").  The Surviving Corporation may,
      at any time after the Closing,  take any action  (including  executing and
      delivering  any document or instrument) in the name and on behalf of Omega
      or the  Corporation in order to carry out and  effectuate the  transaction
      contemplated by this Agreement.

            (ii) CERTIFICATE OF INCORPORATION.  The Articles of Incorporation of
      Omega in effect at and as of the  Closing  will  remain  the  Articles  of
      Incorporation  of the Surviving  Corporation  without any  modification or
      amendment in the Merger.

            (iii) BYLAWS. The Bylaws of Omega in effect at and as of the Closing
      will  remain  the  Bylaws  of  the  Surviving   Corporation   without  any
      modification or amendment in the Merger.

            (iv) DIRECTORS AND OFFICERS.  The directors and officers of Omega in
      office at and as of the Closing will remain the  directors and officers of
      the Surviving Corporation  (retaining their respective positions and terms
      of office).

            (v)  OMEGA  SHARES.  Each  share of common  stock of Omega  Health
      Systems of Indiana,  Inc. (the "Omega Stock") issued and  outstanding at
      and as of the Closing will remain issued and outstanding.

                                   ARTICLE II.
                                   -----------

                                  CONSIDERATION
                                  -------------
      
      II.1 CONSIDERATION.  As consideration for the Merger, all shares of common
stock of Corporation  shall,  without further action on the part of Stockholder,


                                      -7-

<PAGE>


be exchanged (a) for cash in an amount determined by the following  calculation:
(i) from the agreed  upon base amount of  $427,600  (ii) add an amount  equal to
$150,000.00  representing the value of the Purchased Accounts  Receivable listed
in Schedule  5.10.1,  and (iii) subtract from the sum of (i) and (ii) the amount
of the liabilities and indebtedness assumed by the Surviving Corporation and set
forth in Schedule  5.27.1 that  exceeds  $175,000,  and (b) for shares of voting
common stock of OHSI (the "OHSI Stock") valued at One Million One Hundred Twelve
Thousand Four Hundred  Dollars  ($1,112,400)  to be issued to  Stockholder  (the
"Consideration"). Each share of OHSI Stock shall be valued at the average of the
closing price of OHSI Stock for the twenty (20) trading days  immediately  prior
to April 25, 1997;  provided,  however, the value of the OHSI Stock shall not in
any event exceed Seven Dollars  ($7.00) per share.  No fractional  share of OHSI
Stock  shall be  issued.  The OHSI  Stock  shall  not be  registered  under  the
Securities  Act of 1933 (the "1933 Act") and will be restricted  securities,  as
defined in Rule  144(a)(3)  under the 1933 Act that are not fully  transferable,
except  to  the  extent  provided  herein,   and  the  certificates   reflecting
Stockholder's  ownership  in the OHSI Stock shall bear a legend to that  effect.
The amount set forth above in 2.1(ii)  representing  the value of the  Purchased
Accounts Receivable as of March 31, 1997, is to be adjusted on or before October
1, 1997, positively or negatively,  for the actual collected amount of the April
30,  1997  Purchased  Accounts  Receivable,  and the amount  set forth  above in
2.1(iii) and on Schedule 5.27.1  representing the amount of the accounts payable
and other  liabilities as of March 31, 1997, is to be adjusted on or before July
1,  1997,  positively  or  negatively,  for the actual  amount of such  accounts
payable and other  liabilities  of the  Corporation  as of April 30,  1997.  The
adjusted amounts  determined in accordance with the foregoing  sentence shall be
paid in cash to the  appropriate  party (OHSI or  Stockholder)  on or before the
dates set forth for  adjustment,  respectively.  Omega  shall use its efforts in
good faith to collect  the  Purchased  Accounts  Receivable  prior to October 1,
1997.  Any cash  payment  made by OHSI shall be an advance to Omega and shall be
represented by a note in the same form as set out in the paragraph below.

      As a part  of  the  Consideration  above,  at the  Closing  the  Surviving
Corporation  shall give and deliver to OHSI a  promissory  note in the amount of
$175,000 in the form of Exhibit  2.1  attached  hereto,  and the  principal  and
interest payments on such note shall be a Direct Operating Expense of the Center
as such terms are defined in and  pursuant to the  Management  Agreement of even
date  between  Omega and  Referral  Eye Center,  P.C.,  an Indiana  professional
corporation.

      II.2 TAX REPORTING.  The Merger shall  constitute a  reorganization  under
I.R.C.  (beta)  368(a)(1)(A)  and  I.R.C.  (beta)  368(a)(l)(E)(I).  Each of the
parties agrees to report this  transaction for financial and income tax purposes
in accordance with the foregoing.



                                      -8-

<PAGE>

      II.3 REGISTRATION  RIGHTS. The Stockholder will be entitled to "piggyback"
registration rights for unregistered OHSI Stock, on registrations under the 1933
Act,  of  OHSI's  stock  or  securities,  subject  to the  right of OHSI and its
underwriters  to  reduce  the  number of shares  of OHSI  Stock  proposed  to be
registered in view of market  conditions,  and OHSI shall advise the Stockholder
at least thirty (30) days prior to any proposed registration. Such underwriter's
"cutback" shall be applied  proportionately  to all  unregistered  OHSI Stock or
other securities and unregistered warrants or stock options which are requesting
registration at such time pursuant to contractual  rights. The costs incurred by
OHSI in the registration of such OHSI Stock in a piggyback registration shall be
borne by OHSI, except that underwriting  discounts and commissions on OHSI stock
sold by Stockholder  shall be paid by the  Stockholder,  and any cost associated
with Stockholder's counsel are to be paid by Stockholder.

      II.4  TRANSFERABILITY  OF OHSI STOCK.  Provided any transferee  under this
subsection  acknowledges any restrictions  placed on the OHSI Stock,  nothing in
this Agreement shall prevent the OHSI Stock from being  transferred in whole, or
in part, to one or more members of Stockholder's  family, to a trust established
for  Stockholder's  benefit or the  benefit of one or more of the members of the
Stockholder's  family, to a family partnership  (general or limited) established
by Stockholder or one or more of the members of Stockholder's  family, or to any
other  entity  that is owned by  Stockholder  or one or more of the  members  of
Stockholder's family.
                                  ARTICLE III.
                                  ------------

                                  THE CLOSING
                                  -----------

      The closing of the Merger  contemplated  herein (the "Closing") shall take
place at such time and place as the  parties  hereto may agree in  writing  (the
"Closing Date").  The parties agree that the Closing Date shall be extended,  if
required, to allow either party to fulfill any condition of this Agreement,  but
in no event shall the Closing Date extend  beyond  April 30,  1997,  unless such
extension is agreed to in writing by all of the parties.

                                  ARTICLE IV.
                                  -----------

                 ITEMS TO BE DELIVERED AT OR PRIOR TO CLOSING
                 --------------------------------------------

      IV.1  BY  STOCKHOLDER  OR   CORPORATIONBY   STOCKHOLDER  OR   CORPORATION.
Stockholder  or  Corporation,  as  applicable,  shall execute and deliver on the
Closing Date:

      (a) Certified resolutions of Corporation  authorizing the execution of all
documents and the consummation of all transactions contemplated hereby.

      (b)  Articles of Merger and a Plan of Merger under the IBCL which shall be
in  the  form  attached  hereto  as  EXHIBIT  4.1.1(A)  and  EXHIBIT   4.1.1(B),
respectively.

      (c)  Stock  certificates   representing   ownership  of  all  shares  of
Corporation, duly endorsed to Omega.

                                     -9-

<PAGE>

      (d) A  Certificate,  duly  executed by  Stockholder  and the  President of
Corporation,  stating  that,  as of the Closing Date,  all  representations  and
warranties of Stockholder and Corporation  contained in this Agreement or in any
Exhibit or Schedule  hereto are true and correct in all material  respects,  all
covenants  and  agreements  contained  in  this  Agreement  to be  performed  by
Stockholder  or  Corporation on or prior to the Closing Date have been performed
or complied with, and all conditions to Closing  contained in SECTION 4.3 hereof
have been satisfied.

      (e) An opinion of counsel for the Corporation and the Stockholder dated as
of the Closing Date, in form and substance  reasonably  satisfactory  to Omega's
counsel, and where appropriate with reliance upon a certificate from Corporation
and the Stockholder.

      (f) Such other instruments as may be reasonably requested by Omega or OHSI
in order to give effect to or carry out the intent of this Agreement.

      (g) A signed  Contract of  Employment  for Center  Director  between  John
Gelvin,  O.D.  and  Omega as  contemplated  by  Section  3.11 of the  Management
Agreement between Omega and Referral Eye Center, P.C. dated as of May 1, 1997.

      IV.2 BY OMEGA AND OHSI.  Omega  shall  execute  and deliver on the Closing
Date:
      (a) Stock  Certificates  representing  ownership  of the OHSI  Stock set
forth under SECTION 2.1.

      (b) An opinion of counsel for Omega and OHSI dated as of the Closing Date,
in form and substance reasonably satisfactory to Corporation's and Stockholder's
counsel,  and where  appropriate  with reliance upon a certificate from Omega or
OHSI.
      (c)  Articles of Merger and a Plan of Merger under the IBCL which shall be
in the form attached hereto as EXHIBIT 4.1.1(A) and EXHIBIT 4.1.1(B).

      (d) A  Certificate,  duly  executed  by the  President  of Omega and OHSI,
stating that as of the Closing Date, all representations and warranties of Omega
and OHSI  contained in this  Agreement or in any Exhibit or Schedule  hereto are
true  and  correct  in all  material  respects,  all  covenants  and  agreements
contained in the  Agreement to be performed by Omega and OHSI on or prior to the
Closing Date have been  performed or complied with and all conditions to Closing
contained in SECTION 4.4 hereof have been satisfied.

      (e) Such other  instruments as may be reasonably  requested by Stockholder
in order to give effect to or carry out the intent of this Agreement.

      IV.3  CONDITIONS  TO OMEGA'S  AND OHSI'S  OBLIGATIONS.  Omega's and OHSI's
obligation to consummate the  transaction as provided in this Agreement shall be
conditioned upon the satisfaction of the following conditions at or prior to the
Closing:

      (a)  DELIVERY OF  DOCUMENTS.  The  documents  and other items set forth in
SECTION 4.1 hereof shall have been executed and delivered at Closing.

      (b) NO MATERIAL ADVERSE CHANGE.  Prior to the Closing Date, there shall be
no material  adverse  change in the assets or liabilities  of  Corporation;  the
business or condition, financial, or otherwise of Corporation; or the results of
operations  or  prospects  of  Corporation  as a result  of any  legislative  or
regulatory  change or revocation of any license or rights of  Corporation  to do
business.
                                      -10-

<PAGE>


      (c) TRUTH OF  REPRESENTATIONS  AND  WARRANTIES.  The  representations  and
warranties of Corporation and Stockholder contained in this Agreement, or in any
Exhibit or Schedule hereto,  shall be true and correct in all material  respects
on  and  as  of  the   Closing   Date  with  the  same  effect  as  though  such
representations and warranties had been made on and as of such date. Corporation
and  Stockholder  shall have the express  obligation  to update all  information
contained  in the  Exhibits  and  Schedules  hereto  so that such  Exhibits  and
Schedules shall be true, correct and complete as of the Closing Date.

      (d) NO  LITIGATION  THREATENED.  No action or  proceeding  shall have been
instituted  or  threatened  before a court or  other  government  body or by any
public  authority to restrain or prohibit any of the  transactions  contemplated
hereby.

      (e) OPINION OF CORPORATION'S COUNSEL. Omega shall have received an opinion
from the Corporation's and Stockholder's counsel, delivered under SECTION 4.1(E)
above.

      (f)  SECURITIES  LAW  COMPLIANCE.  The  issuance  of the OHSI Stock to the
Stockholder  will not violate the securities  laws of any state or of the United
States.

      (g)  THIRD-PARTY  CONSENTS.  Omega  shall  have  received  copies  of  all
third-party consents required to consummate the transaction contemplated by this
Agreement.

      (h) LICENSES,  PERMITS,  QUALIFICATION.  Immediately prior to the Closing,
Stockholder  and  Corporation  shall have all licenses and permits  necessary to
operate its business.

      (i)  DISTRIBUTION  OF ASSETS AND  DISCHARGE OF  LIABILITIES.  Prior to the
Closing,  and as a condition to Closing,  Corporation  shall have distributed to
Stockholder  all of the  assets  listed  on  SCHEDULE  5.8 , which are not being
acquired by Omega (the "Excluded Assets").  Additionally,  prior to the Closing,
Corporation  shall have paid or discharged all  liabilities or charges for costs
or fees owed as a result of the transactions contemplated by this Agreement.

      (j) TAXES.  Corporation shall have established an adequate reserve for the
payment of all taxes accrued with respect to taxable periods or portions thereof
ended as of the Closing of the Merger contemplated herein.

      IV.4   CONDITIONS  TO   STOCKHOLDER'S   AND   CORPORATION'S   OBLIGATIONS.
Stockholder's  and  Corporation's  obligations to consummate the  transaction as
provided in this Agreement  shall be conditioned  upon the  satisfaction  of the
following conditions at or prior to Closing:

      (a)  DELIVERY OF  DOCUMENTS.  The  documents  and other items set forth in
SECTION  4.2  hereof  shall have been  executed  and  delivered  by Omega on the
Closing Date.


                                      -11-

<PAGE>

      (b) TRUTH OF  REPRESENTATIONS  AND  WARRANTIES.  The  representations  and
warranties of Omega and OHSI contained in this  Agreement,  or in any Exhibit or
Schedule hereto, shall be true and correct in all material respects on and as of
the  Closing  Date  with the same  effect  as though  such  representations  and
warranties had been made as of such date.

      (c)  OPINION  OF  OMEGA'S  AND  OHSI'S  COUNSEL.   The   Corporations  and
Stockholder  shall have  received an opinion  from  Omega's and OHSI's  counsel,
delivered under SECTION 4.2(B) above.

      (d) NO  LITIGATION  THREATENED.  No action or  proceeding  shall have been
instituted  or  threatened  before a court or  other  government  body or by any
public  authority to restrain or prohibit any of the  transactions  contemplated
hereby.

      (e)  SECURITIES  LAW  COMPLIANCE.  the issuance of the OHSI Stock to the
Stockholder  will  not  violate  the  securities  laws of any  state or of the
United States.
                                  ARTICLE V.
                                  ----------

                        REPRESENTATIONS AND WARRANTIES
                        ------------------------------
                        OF STOCKHOLDER AND CORPORATION
                        ------------------------------

      Corporation and Stockholder  represent,  warrant,  covenant and agree with
Omega and OHSI that:

      V.1 OWNERSHIP OF STOCK.  Stockholder is the owner of all of the issued and
outstanding  stock of  Corporation,  free and clear of all liens,  encumbrances,
restrictions and claims of every kind.  Stockholder has full legal right,  power
and authority to enter into this Agreement.

      V.2  EXISTENCE  AND  GOOD  STANDING.  Corporation  is a  corporation  duly
organized,  validly existing and in good standing under the laws of the State of
Indiana.  Corporation  has the  power  to own its  property  and to carry on its
business as now being conducted.  Indiana is the only  jurisdiction in which the
character or location of the  properties  owned or leased by  Corporation or the
nature  of the  business  conducted  by  Corporation  makes  such  qualification
necessary.

      V.3 CAPITAL STOCK. Corporation has an authorized capitalization consisting
of one  thousand  (1,000)  shares of common  stock,  no par value,  of which one
hundred  (100)  shares  are  issued  and  outstanding  and no shares are held in
Corporation's  treasury.  All such  outstanding  shares of Corporation have been
duly authorized and validly issued and are fully paid and  nonassessable.  There
are no outstanding options,  warrants,  rights, calls,  commitments,  conversion
rights, rights of exchange, plans or other agreements of any character providing
for the  purchase,  issuance  or sale of any  shares  of the  capital  stock  of
Corporation, other than as contemplated by this Agreement.


                                      -12-

<PAGE>

      V.4 SUBSIDIARIES AND  INVESTMENTS.  Corporation does not own,  directly or
indirectly,  any  capital  stock or other  equity or  ownership  or  proprietary
interest  in any  other  corporation,  partnership,  association,  trust,  joint
venture or other entity.

      V.5  FINANCIAL  STATEMENTS  AND  NO  MATERIAL  CHANGES.   Corporation  has
heretofore  furnished Omega with unaudited  financial  statements dated December
31,  1995  and  1996,  and  unaudited   financial   statements  of  Dr.  Faust's
ophthalmology  practice (then operated as a sole proprietorship)  dated December
31,  1994,  all of which are attached  hereto as SCHEDULE  5.5.  Such  financial
statements,  including  the notes  thereto,  except as indicated  therein,  were
prepared on a basis consistent with past accounting practices of Corporation and
accurately reflect the results of operations for the periods noted therein.  The
balance  sheets of  Corporation  heretofore  delivered  (or to be  delivered) by
Corporation  to Omega fairly  present the financial  condition of Corporation at
the  respective  dates  thereof,  and except as indicated  therein,  reflect all
claims  against  and  all  debts  and  liabilities  of  Corporation,   fixed  or
contingent,  as of the respective dates thereof.  Since December 31, 1996, there
has been (i) no material adverse change in the assets or liabilities,  financial
or otherwise,  or in the results of operations of Corporation,  and (ii) no fact
or condition known to Corporation or Stockholder which exists or is contemplated
or threatened which might cause such a change in the future.

      V.6 MATERIAL CONTRACTS.  Except as set forth on SCHEDULE 5.6,  Corporation
is not bound by (a) any  agreement,  contract,  or  commitment  relating  to the
employment of any person by Corporation,  or any loans,  deferred  compensation,
incentive compensation,  pension, profit sharing,  retirement, or other employee
benefit plan,  (b) any loan or advance to, or investment in, any other person or
entity, or any agreement,  contract, or commitment relating to the making of any
such  loan,  advance,  or  investment,  (c) any  guarantee  or other  contingent
liability in respect of any  indebtedness  or  obligation of any other person or
entity,  (d) any  agreement,  contract,  or  commitment  limiting the freedom of
Corporation or any of its physicians to practice  medicine in any location or to
compete with any other person or entity,  or (e) any other agreement,  contract,
or commitment  which is material to the business of  Corporation.  Except as set
forth in SCHEDULE 5.6, to the best of  Stockholder's  knowledge each contract or
agreement  set forth in  SCHEDULE  5.6 is in full  force and  effect,  and there
exists no default or event of default or event,  occurrence,  condition,  or act
which,  with the giving of notice,  the lapse of time,  or the  happening of any
other event or condition, would become a default or event of default thereunder,
which would have a material adverse effect upon Corporation. Except as set forth
in SCHEDULE 5.6, to the best of  Stockholder's  knowledge,  Corporation  has not
violated any of the terms or  conditions  of any contract or agreement set forth
in SCHEDULE 5.6 in any material  respect,  and to Stockholder's  best knowledge,
all of the  covenants to be performed by any other party thereto have been fully
performed.

      V.7  INSURANCE.  SCHEDULE  5.7.1 is a list and  brief  description  of all
Corporation's policies or binders of fire, liability, product liability, workers
compensation,  health and other forms of insurance policies or binders currently
in force  insuring  against  risks which will remain in full force and effect at
least through the Closing Date.  Except as set forth on SCHEDULE 5.7.2,  neither
Corporation nor Stockholder,  have, in the last three (3) years, filed a written
application  for any  insurance  coverage  which has been denied by an insurance
agency or carrier.  SCHEDULE  5.7.2 also sets forth a list of all claims against
any policy or  predecessor  policy listed on Schedule 5.7.1 for any insured loss
in  excess  of  Five  Thousand  Dollars  ($5,000.00)  per  occurrence  filed  by

                                      -13-

<PAGE>

Corporation,  Corporation's  employees  or  Stockholder  since  January 1, 1994,
including,  but not limited to, workers'  compensation,  general liability,  and
environmental liability claims. To the best of Stockholder's knowledge,  neither
Corporation, Corporation's employees nor Stockholder is in material default with
respect  to any  provision  contained  in any such  policy  and none of them has
failed to give any notice or present  any claim under any such policy in due and
timely fashion.

      V.8  NO  CHANGES  PRIOR  TO  CLOSING  DATE.  To  the  best   knowledge  of
Stockholder,  during the period from December 31, 1996, through the date hereof,
Corporation  has not, and from the date hereof,  Corporation  shall not have (i)
incurred any liability or obligation of any nature (whether  accrued,  absolute,
contingent, or otherwise),  except in the ordinary course of business, or except
with the prior  written  consent of Omega,  such consent not to be  unreasonably
withheld,  (ii) written off as uncollectible  any notes or accounts  receivable,
except  write-offs  in the  ordinary  course of business  charged to  applicable
reserves,  none of which  individually  or in the  aggregate  is material to the
Corporation,  (iii)  conducted its business in such a manner so as to materially
increase  its  accounts  payable or so as to  materially  decrease  its accounts
receivable,  (iv) granted any increase in the rate of wages, salaries,  bonuses,
or other  remunerations  of any  employee,  except  in the  ordinary  course  of
business,  (v)  cancelled or waived any claims or rights of  substantial  value,
(vi) made any change in any method of accounting,  (vii) otherwise conducted its
business  or  entered  into any  transaction,  except in the usual and  ordinary
manner and in the ordinary course of business,  (viii) agreed, whether or not in
writing, to do any of the foregoing,  nor (ix) disposed of its assets other than
in the ordinary  course of business,  except for the disposition of any Excluded
Assets listed on SCHEDULE 5.8.

      V.9 PRACTICE ASSETS; TITLE; CONDITION.  SCHEDULE 5.9.1 contains a true and
complete list of all the non-cash assets (excluding Accounts  Receivable) of the
Corporation at the Closing Date (the "Practice  Assets").  Corporation  has good
and marketable title to all of its Practice Assets conveyed hereunder. Except as
disclosed on SCHEDULE 5.9.2 hereto, none of such Practice Assets is subject to a
contract or other agreement of sale or subject to security interests, mortgages,
encumbrances, liens (including income, personal property and other tax liens) or
charges of any kind or character.  Upon completion of the Merger,  the Surviving
Corporation  shall own the Practice Assets of the Corporation  free and clear of
all liens and encumbrances.

      V.10 ACCOUNTS  RECEIVABLE.  Schedule  5.10.1  contains a true and complete
list of substantially all accounts  receivable of the Corporation at the Closing
Date (Purchased Accounts  Receivable).  All documents and agreements relating to
the Purchased Accounts  Receivable that have been delivered to OHSI are true and
correct.  Faust  P.C.  has  delivered  to  such  account  debtor  all  requested
supporting  claim documents with respect to such Purchased  Accounts  Receivable
and all information set forth in the bill and supporting  claim documents are to
the best of Faust P.C.'s  knowledge  true and correct.  The  Purchased  Accounts
Receivable are each  exclusively  owned by the Corporation free and clear of any
liens, security interest claims and encumbrances of any kind except as set forth
on  Schedule  5.10.2;  are in the  aggregate  payable in an amount not less than
their face amount, and are based on an actual and bonafide rendition of services
or sale of goods to the patient in the ordinary course of business,  and are not
in any  material  amount  subject to any  action,  suit,  proceeding  or pursuit
(pending or threatened) set-off, counter claim, defense, abatement,  suspension,


                                      -14-

<PAGE>

deferment, deductible, reduction or termination by the account debtor other than
routine  adjustments  made in the  ordinary  course of business and each account
receivable  requires  no  further  act  or  circumstances  on  the  part  of the
Corporation  to make the  Purchased  Account  Receivable  payable by the account
debtor. The Accounts  Receivable in the aggregate represent charges for services
constituting usual, customary and reasonable fees charged by the similar medical
services  providers  in the  Corporation's  community  for the  same or  similar
service and the sale of the Purchased Accounts  Receivable  hereunder is in good
faith by the  Corporation  and  without  knowledge  of any  bankruptcy  or other
payment disability of the account debtor that would in the aggregate  constitute
a material reduction in the Purchased Accounts Receivable.  For purposes of this
Section  5.10  "material"  shall be any amount  exceeding  ten percent  (10%) of
agreed value of the Purchased  Accounts  Receivable set forth in Section 2.1(ii)
of this Agreement.

      V.11 LITIGATIONLITIGATION.  Except as listed on SCHEDULE 5.11, to the best
of knowledge of Stockholder,  there is no suit, action,  proceeding at law or in
equity,   arbitration,   administrative   proceeding  or  other   proceeding  or
investigation  by any governmental  entity pending,  or threatened  against,  or
affecting the Corporation,  or any of its Practice  Assets,  or any physician or
other health care  professional  associated with or employed by the Corporation,
and to the best of  Stockholder's  knowledge  there  is no basis  for any of the
foregoing.

      V.12 PERMITS AND LICENSES.  To the best of Corporation's and Stockholder's
knowledge,  Corporation  and all physicians and other health care  professionals
associated  with or  employed  by  Corporation  have all  material  permits  and
licenses  required by all  applicable  laws;  have made all material  regulatory
filings  necessary  for the conduct of  Corporation's  business;  and are not in
violation of any of said permitting or licensing  requirements  the violation of
which would have a  materially  adverse  effect on  Corporation.  A list of such
permits and licenses is attached hereto as SCHEDULE 5.12.

      V.13 AUTHORITY.  (a) The execution of this Agreement and the  consummation
of the  transactions  contemplated  hereby  have  been  duly  authorized  by all
necessary  action,  and this  Agreement  is a valid  and  binding  agreement  of
Corporation  enforceable in accordance with its terms (subject to enforcement of
remedies to the  discretion of the court in awarding  equitable  relief,  and to
applicable  bankruptcy,   reorganization,   insolvency,  fraudulent  conveyance,
moratorium  and  similar  laws  effecting  the rights of  creditors  generally).
Attached hereto as SCHEDULE 5.13 is a listing of all third-party  consents which
must be obtained prior to the Closing Date as required under SECTION 4.3 of this
Agreement.

      (b) To the best  knowledge of  Stockholder,  the execution and delivery of
this Agreement, the consummation of the transactions contemplated hereby, and/or
compliance by Corporation  and  Stockholder  with any of the provisions  hereof,
will not:

            (i) violate or conflict with, or result in a breach of any provision
      of, or  constitute a default (or an event  which,  with notice or lapse of
      time or  both,  would  constitute  a  default)  under,  or  result  in the
      termination  of, or accelerate the  performance  required by, or result in
      the creation of, any lien,  security interest,  charge or encumbrance upon


                                      -15-

<PAGE>

      any of  the  assets  to be  conveyed  hereunder  under  any of the  terms,
      conditions or provisions of any note, bond, mortgage,  indenture,  deed of
      trust,  license,  agreement or other  instrument  or  obligation  to which
      Corporation or Stockholder is a party,  or by which either  Corporation or
      Stockholder or any of the assets to be conveyed hereunder is bound; or

            (ii) violate any order, writ, injunction,  decree,  statute, rule or
      regulation  applicable either to the Corporations or Stockholder or any of
      the assets to be conveyed hereunder.

      V.14 TAX MATTERS.  Except as set forth in SCHEDULE 5.14,  Corporation  has
filed or caused to be filed all federal,  state and local tax returns  which are
required  to have been  filed by  Corporation,  including  all  income,  excise,
franchise,  and payroll tax returns,  and Corporation has paid or established an
adequate  reserve for all taxes  accrued  through the Closing and has  otherwise
complied with all federal, state, local and other tax laws applicable to it.

      V.15 EMPLOYEE BENEFIT PLANS. Set forth on SCHEDULE 5.15 is an accurate and
complete list of all employee  benefit plans  ("Employee  Benefit Plans") within
the meaning of Section 3(3) of the Employee  Retirement  Income  Security Act of
1974,  as amended  ("ERISA"),  whether  or not any  Employee  Benefit  Plans are
otherwise  exempt  from the  provisions  of ERISA,  established,  maintained  or
contributed  to by the  Corporation  (including  all  employers  (whether or not
incorporated)  which by reason of  common  control  are  treated  together  with
Corporation  and/or  Stockholder  as a single  employer  within  the  meaning of
Section 414 of the Code) since September 2, 1974.

      (a) STATUS OF PLANS.  Corporation  has never  maintained  and does not now
maintain or  contribute  to any Employee  Benefit Plan subject to ERISA which is
not in substantial  compliance with ERISA, or which has incurred any accumulated
funding deficiency within the meaning of either Section 412 or 418B of ERISA, or
which has applied for or obtained a waiver from the Internal  Revenue Service of
any  minimum  funding  requirement  under  Section  412 of the  Code or which is
subject to Title IV of ERISA.  Corporation has not incurred any liability to the
Pension Benefit  Guaranty  Corporation  ("PBGC") in connection with any Employee
Benefit Plan covering any employees of that Corporation or ceased  operations at
any facility or withdrawn  from any such Plan in a manner which could subject it
to liability under Section 4062(f), 4063 or 4064 of ERISA, and knows of no facts
or  circumstances  which might give rise to any liability of  Corporation to the
PBGC under Title IV of ERISA which could  reasonably be anticipated to result in
any claims being made against the Surviving Corporation by the PBGC. Corporation
has not incurred any withdrawal liability (including any contingent or secondary
withdrawal  liability) within the meaning of Sections 4201 and 4202 of ERISA, to
any Employee  Benefit Plan which is a Multiemployer  Plan (as defined in Section
4001 of ERISA), and no event has occurred,  and there exists no condition or set
of  circumstances,  which  represent a material  risk of the  occurrence  of any
withdrawal from or the partition,  termination,  reorganization or insolvency of
any  Multiemployer  Plan which would result in any liability to a  Multiemployer
Plan.

                                      -16-

<PAGE>

      (b)  CONTRIBUTIONS.  Full  payment  has  been  made of all  amounts  which
Corporation is required, under applicable law or under any Employee Benefit Plan
or any agreement relating to any Employee Benefit Plan to which Corporation is a
party,  to have  paid as  contributions  thereto  as of the last day of the most
recent fiscal year of such Employee Benefit Plan ended prior to the date hereof.
Corporation has made adequate  provision for reserves to meet contributions that
have not been made  because they are not yet due under the terms of any Employee
Benefit Plan or related  agreements.  Benefits under all Employee  Benefit Plans
are as  represented  and have not been  increased  subsequent  to the date as of
which documents have been provided.

      (c) TAX QUALIFICATION. Each Employee Benefit Plan intended to be qualified
under Section  401(a) of the Code has been  determined to be so qualified by the
Internal  Revenue  Service and nothing has  occurred  since the date of the last
such  determination  which  resulted or is likely to result in the revocation of
such determination.

      (d)  TRANSACTIONS.  Corporation  has not engaged in any  transaction  with
respect to the Employee  Benefit Plans which would subject it to a tax,  penalty
or liability for prohibited transactions under ERISA or the Code nor have any of
its  directors,  officers  or  employees  to the extent  they or any of them are
fiduciaries with respect to such plans,  breached any of their  responsibilities
or obligations  imposed upon fiduciaries  under Title I of ERISA or would result
in any claim  being made under or by or on behalf of any such plans by any party
with standing to make such claim.

      (e) OTHER  PLANS.  Corporation  presently  does not  maintain any employee
benefit plans or any other foreign pension,  welfare or retirement benefit plans
other than those listed on SCHEDULE 5.15.

      (f)  DOCUMENTS.  Stockholder  has  delivered  or caused to be delivered to
Omega and its counsel true and complete copies of (i) all Employee Benefit Plans
as in effect,  together with all amendments  thereto which will become effective
at a later date, as well as the latest Internal  Revenue  Service  determination
letter  obtained with respect to any such Employee  Benefit Plan qualified under
Section 401 or 501 of the Code, and (ii) Form 5500 for the most recent completed
fiscal year for each Employee Benefit Plan required to file such form.

      V.16 THIRD-PARTY  RELATIONS.  Corporation and Stockholder are not aware of
any problem or disagreements  with any third parties with which Corporation does
business, and Corporation and Stockholder will use their respective best efforts
from the date of this Agreement until the Closing Date to operate  Corporation's
business  in such a manner so as not to  adversely  affect the  goodwill  of its
patients,  suppliers,  employees,  and other such persons or third  parties with
which the Corporation does business.

      V.17 LEASED PROPERTY. SCHEDULE 5.17 contains a list of all property leases
held by  Corporation  and,  except as set forth on  SCHEDULE  5.17,  no material
adverse claim against,  or defect in, the interest  purportedly  leased or given
under or by any such instrument  exists,  and neither the lessor nor Corporation
is in default under any of such leases,  and Corporation and Stockholder are not
aware  of any fact  which,  with  notice  and/or  the  passage  of  time,  would
constitute such a default.

                                      -17-

<PAGE>

      V.18  COMPLIANCE  WITH  APPLICABLE  LAWS.  Except as set forth in SCHEDULE
5.18, and to the best knowledge of Stockholder,  the Corporation has operated in
material compliance with all material federal, state, county and municipal laws,
constitutions,  ordinances,  statutes,  rules, regulations and orders applicable
thereto  ("Applicable  Laws"). No item disclosed on SCHEDULE 5.18 has a material
effect on the operations of Corporation.

      V.19 EMPLOYEE COMPENSATION. Corporation has paid or discharged or will pay
or discharge or assume all  liabilities for  compensation  and benefits to which
all employees are entitled through the Closing, including but not limited to all
salaries, wages, bonuses, incentive compensation, payroll taxes, hospitalization
and medical expenses, deferred compensation,  and vacation and sick pay, as well
as any severance pay becoming due as a result of the  termination  of certain of
Corporation's employees.

      V.20 ENVIRONMENTAL  MATTERS.  Corporation is in compliance in all material
respects  with  all  federal,   state  and  local   environmental  laws,  rules,
regulations,  standards and requirements,  including,  without  limitation those
respecting chemical,  radiographic,  or biomedical wastes or any other hazardous
substances or materials,  as defined in any  applicable  federal or state law or
regulation  ("Hazardous  Wastes").  Except as  disclosed on SCHEDULE  5.20,  any
storage,  holding,  release,  emission,   discharge,   generation,   processing,
disposition, handling or transportation of any Hazardous Wastes from, into or on
any portion of the clinic premises is and has been at all times in compliance in
all material  respects  with all federal,  state and local  environmental  laws,
rules, regulations, standards and requirements.

      V.21 FRAUD AND ABUSE.  Neither Corporation nor Stockholder nor persons and
entities providing  professional  services for Corporation has, to the knowledge
of Corporation or  Stockholder,  engaged in any activities  which are prohibited
under 42 U.S.C.  (beta)  1320a-7b,  or tHE  regulations  promulgated  thereunder
pursuant to such statutes, or related state or local statutes or regulations, or
which are prohibited by rules of professional conduct, including but not limited
to the following:

      (a) knowingly and willfully making or causing to be made a false statement
or  representation  of a material  fact in any  application  for any  benefit or
payment;

      (b)  knowingly  and  willfully  making  or  causing  to be made any  false
statement or representation of a material fact for use in determining  rights to
any benefit or payment;

      (c) failing to disclose  knowledge by a claimant of the  occurrence of any
event  effecting the initial or continued right to any benefit or payment on its
own behalf or on behalf of  another,  with  intent to  fraudulently  secure such
benefit or payment; or

      (d)  knowingly and  willfully  soliciting  or receiving  any  remuneration
(including any kickback, bribe, or rebate),  directly or indirectly,  overtly or
covertly, in cash or in kind or offering to pay or receive such remuneration (i)
in  return  for  referring  an  individual  to a person  for the  furnishing  or
arranging  for the  furnishing  or any item or service for which  payment may be
made  in  whole  or in part by  Medicare  or  Medicaid,  or (ii) in  return  for

                                      -18-

<PAGE>




purchasing,  leasing,  or ordering or arranging for or recommending  purchasing,
leasing, or ordering any good,  facility,  service or item for which payment may
be made in whole or in part by Medicare or Medicaid.

      V.22  FACILITY  COMPLIANCE.  Corporation  is duly licensed and is lawfully
operated in accordance with the material requirements of all applicable material
law and has all necessary authorizations for the use and operation, all of which
are in full force and effect. To the best knowledge of Stockholder, there are no
outstanding  notices  of  deficiencies  relating  to  Corporation  issued by any
governmental  authority or third-party payor requiring  conformity or compliance
with any  applicable  law or condition for  participation  of such  governmental
authority or third-party  payor,  neither the  Corporation  nor  Stockholder has
received  notice or has any  knowledge or reason to believe that such  necessary
authorizations may be revoked or not renewed in the ordinary course of business.

      V.23  RATES  AND  REIMBURSEMENT   POLICIES.   To  the  best  knowledge  of
Stockholder,  the  jurisdiction  in which the  Corporation  is located  does not
currently  impose any  restrictions or limitations on rates which may be charged
to private pay patients receiving services provided by Corporation.  To the best
knowledge  of  Stockholder,  Corporation  has no rate appeal  currently  pending
before any governmental  authority or any administrator of any third-party payor
program.   Neither  the  Corporation  nor  Stockholder  have  knowledge  of  any
applicable  law,  which  has been  enacted,  promulgated  or issued  within  the
eighteen  (18) months  preceding  the date of this  Agreement  or any such legal
requirement   proposed  or  currently  pending  in  the  jurisdiction  in  which
Corporation  is  located,   which  could  have  a  material  adverse  effect  on
Corporation  or may result in the imposition of additional  Medicaid,  Medicare,
charity, free care, welfare, or other discounted or government assisted patients
at  Corporation  or require  Corporation  to obtain any necessary  authorization
which Corporation does not currently possess.

      V.24 TRADE RELATIONS.  To the best knowledge of Stockholder,  there exists
no actual or threatened  limitation of the business  relationship of Corporation
with any  material  customer,  supplier  or  landlord  or with any person  whose
contracts with  Corporation  would be material to the operations of Corporation.
To the best  knowledge  of  Stockholder,  there  exists no condition or state of
facts or circumstances which (i) are likely to produce a material adverse effect
with respect to either  Corporation  or (ii) prevent the  Surviving  Corporation
from  conducting  its  business  after  the  consummation  of  the  transactions
contemplated  by this  Agreement as such business is conducted or proposed to be
conducted.

      V.25  EXHIBITS.  All the facts  recited in Exhibits or  Schedules  annexed
hereto (as updated as of the Closing Date) shall be deemed to be representations
of fact by Corporation and Stockholder as though recited in this ARTICLE V.

      V.26  FULL  DISCLOSURE.   No   representation  or  warranty  made  by  the
Corporation or Stockholder in this Agreement contains or will contain any untrue
statement  of a  material  fact or omits or will omit to state a  material  fact
necessary to make the statements contained herein or therein not misleading. For
purposes of this ARTICLE V,  Corporation  shall be presumed to have knowledge of
all  matters  of which the  Stockholder  or  officers  of the  Corporation  have
knowledge, actual or constructive.

                                      -19-

<PAGE>

      V.27 LIABILITIES AND INDEBTEDNESS. Attached hereto as SCHEDULE 5.27.1 is a
list of Corporation's  liabilities and indebtedness existing on the Closing Date
and to be assumed by the Surviving Corporation. The liabilities and indebtedness
of the  Corporation  on the Closing Date not assumed are listed as Excluded Debt
on Schedule 5.27.2.  Except for the indebtedness  listed on Schedules 5.27.1 and
5.27.2,  Corporation has no other  liabilities  (whether asserted or unasserted,
whether absolute or contingent, whether accrued or unaccrued, and whether due or
to become due).

      V.28 INVESTMENT INTENT.  Stockholder and Corporation  acknowledge that the
OHSI Stock has not been registered  under the 1933 Act, and that the OHSI Stock,
except as provided for in SECTION 2.3 and SECTION 2.4, may not be sold,  pledged
or otherwise  transferred absent such registration,  or unless an exemption from
registration  is available.  The Stockholder is acquiring the OHSI Stock for his
own account, for investment purposes only and not with a view to distribution of
such OHSI  Stock  within  the  meaning  of  Section  2(11) of the 1933 Act.  The
Stockholder  qualifies as an  "accredited  investor",  as defined in Rule 501(a)
pursuant  to the 1933 Act.  The  Stockholder  has  received  from OHSI a copy of
OHSI's Form 10-K for 1994 and 1995,  OHSI's 10-Q for the quarter ended September
30,  1996,  OHSI's 8-Ks filed March 12, 1996 and  September  25, 1996 and OHSI's
1994 and  1995  Annual  Report  to  Shareholders.  The  Stockholder  has had the
opportunity to ask questions of and receive answers from OHSI senior  management
concerning  OHSI  and  the  terms  and  conditions  of  this  investment  by the
Stockholder.  The Stockholder has had the opportunity to obtain other additional
information concerning OHSI from OHSI senior management.


                                   ARTICLE VI.
                                   -----------

                REPRESENTATIONS AND WARRANTIES OF OMEGA AND OHSI
                ------------------------------------------------

      Omega and OHSI represent, warrant, covenant and agree with Corporation and
Stockholder as follows:

      VI.1 ORGANIZATION. Omega is a corporation duly organized, validly existing
and in  good  standing  under  the  laws  of the  State  of  Indiana.  OHSI is a
corporation duly organized, validly existing and in good standing under the laws
of the  State of  Delaware.  Omega  and OHSI  have the full  power to own  their
respective  property,  to carry  on their  respective  businesses  as  presently
conducted,  to enter into this  Agreement  and to  consummate  the  transactions
contemplated hereby.

      VI.2  AUTHORITY.  Omega  and OHSI  have  taken  all  necessary  action  to
authorize the execution,  delivery and performance of this Agreement, as well as
the consummation of the transactions  contemplated  hereby, and at Closing Omega
and OHSI shall deliver an officer's  certificate  to such effect.  The execution
and  delivery  of  this  Agreement  does  not,  and  the   consummation  of  the
transactions contemplated hereby will not, violate any provisions of the charter
or the bylaws of either Omega or OHSI or any indenture, mortgage, deed of trust,


                                      -20-

<PAGE>

lien, lease,  agreement,  arrangement,  contract,  instrument,  license,  order,
judgment or decree or result in the acceleration of any obligation thereunder to
which either Omega or OHSI is a party or by which either Omega or OHSI is bound.

      VI.3 ABSENCE OF LITIGATION. No action or proceeding by or before any court
or other governmental body has been instituted or is, to the best of Omega's and
OHSI's  knowledge,  threatened with respect to the transactions  contemplated by
this Agreement.

      VI.4 SHARES. Upon delivery of the certificates  representing  ownership of
the OHSI Stock, such OHSI Stock will be fully paid and nonassessable.

      VI.5 OMEGA HEALTH  SYSTEMS,  INC.  Omega is a  wholly-owned  subsidiary of
OHSI.

      VI.6 FRAUD AND ABUSE. Neither OHSI nor Omega has engaged in any activities
which are prohibited under (beta) 1320a-7b of Title 42 of the United States Code
or the regulations promulgated thereunder, or related state or local statutes or
regulations,   or  which  are  prohibited  by  rules  of  professional  conduct,
including, but not limited to, the following: (i) knowingly and willingly making
or causing to be made a false statement or  representation of a material fact in
any application for any benefit or payment;  (ii) knowingly and willfully making
or causing to be made any false statement or  representation  of a material fact
for use in determining rights to any benefit or payment;  (iii) any failure by a
claimant to disclose  knowledge of the  occurrence  of any event  affecting  the
initial  or  continued  right to any  benefit or payment on its own behalf or on
behalf of  another,  with the  intent to  fraudulently  secure  such  benefit or
payment;   and  (iv)  knowingly  and  willfully   soliciting  or  receiving  any
remuneration  (including any kickback,  bribe or rebate) directly or indirectly,
overtly or  covertly,  in cash or in kind,  or offering  to pay or receive  such
remuneration  (A) in return  for  referring  an  individual  to a person for the
furnishing  or arranging  for the  furnishings  of any item or service for which
payment  may be made in  whole or in part by  Medicare  or  Medicaid,  or (B) in
return for  purchasing,  leasing or ordering or arranging for, or  recommending,
purchasing,  lease or  ordering  any good,  facility,  service or item for which
payment may be made in whole or in part by Medicare or Medicaid.

                                  ARTICLE VII.
                                  ------------

                           CONDUCT OF BUSINESS; REVIEW
                           ---------------------------
      
      VII.1 CONDUCT OF BUSINESS OF CORPORATION.  During the period from the date
of this  Agreement to the Closing Date,  Corporation  shall conduct its business
only  in the  ordinary  and  usual  course  of  business,  and  Corporation  and
Stockholder   shall  use  their  respective  best  efforts  to  preserve  intact
Corporation's  business  organization,   keep  available  the  services  of  its
employees  and  maintain  satisfactory  relationships  with  patients and others
having  business,   medical  or  professional  relationships  with  Corporation.
Corporation shall immediately notify Omega of any unexpected  emergency or other
change  in  the  normal  course  of its  business  or in  the  operation  of its
properties  and of any  governmental  complaints,  investigations,  hearings (or
communications  indicating that the same may be  contemplated),  or adjudicatory
proceedings involving the business or practice of Corporation or any employee of
Corporation,  and Corporation shall keep Omega fully informed of such events and
permit its representatives prompt access to all materials prepared in connection
therewith.
                                      -21-

<PAGE>

      VII.2  EXCLUSIVE  DEALINGS.  During  the  period  from  the  date  of this
Agreement to the Closing Date, or upon the earlier termination of this Agreement
pursuant to ARTICLE  XIII,  Corporation  shall  refrain from taking any actions,
directly or  indirectly,  to encourage,  initiate,  or engage in  discussions or
negotiations with, or provide any information to, any corporation,  partnership,
person, or other entity or group,  other than Omega,  concerning the purchase of
Corporation  or its stock or assets,  or any  merger,  joint  venture or similar
transaction  involving Corporation and will not enter into any such transaction.
The  parties  agree that any  information  provided  will be used solely for the
purpose  of  evaluating  the  transaction  contemplated  herein and will be kept
confidential  and not  disclosed  to  others.  If the  transaction  contemplated
hereunder  shall fail to close for any  reason,  then each  party will  promptly
redeliver  to the  other all  written  material  containing  or  reflecting  any
information  concerning  Corporation,  Omega  or  OHSI,  regardless  of by  whom
prepared,  and will not retain any copies,  extracts or other  reproductions  in
whole or in part of such written material.

      VII.3 REVIEW OF  CORPORATION BY OMEGA.  Omega,  prior to the Closing Date,
through  its  representatives,  may review the  assets,  books,  and  records of
Corporation  as well  as its  financial  and  legal  condition  as  Omega  deems
necessary or advisable to familiarize itself with such assets and other matters;
such review shall not, however,  affect the  representations and warranties made
by  Corporation  herein  and in the  Exhibits  and  Schedules  attached  hereto.
Corporation  shall permit Omega and its  representatives  to have full access to
the premises and to all books and records of Corporation  during normal business
hours and to cause  its  officers  and  employees  to  furnish  Omega  with such
financial  and  operational  data and  other  information  with  respect  to the
business and assets of Corporation  as Omega shall from time to time  reasonably
request.

                                  ARTICLE VIII.
                                  ------------

                        TRANSFERS AND FURTHER ASSURANCESS
                        ---------------------------------

      From time to time after the date hereof,  at the request of a party hereto
(the   "Requesting   Party"),   the  other  parties   shall,   without   further
consideration,  execute,  acknowledge  and deliver such further  instruments  of
transfer and other assurances and shall take such other action as the Requesting
Party  reasonably may request in order to effectuate the Merger or any resulting
transfer of assets as a result of the Merger.

                                  ARTICLE IX.
                                  -----------

                           INDEMNIFICATION; SET-OFF
                           ------------------------

      IX.1 INDEMNIFICATION OF OMEGA AND OHSI.  Corporation and Stockholder shall
indemnify, defend and hold Omega, OHSI and their respective officers, directors,
shareholders,  agents,  employees,   representatives,   successors  and  assigns
harmless from and against any and all damage,  loss, cost,  obligation,  claims,
demands,  assessments,  judgments or liability (whether based on contract, tort,


                                      -22-

<PAGE>

product  liability,  strict  liability or otherwise),  including  taxes, and all
expenses   (including   interest,   penalties  and  reasonable   attorneys'  and
accountants' fees and disbursements) incurred by any of the above-named persons,
resulting from or in connection with any one or more of the following:

      (a)  Misrepresentations,  breach of  warranties,  failure to  perform  any
covenant or Agreement of either Corporation or Stockholder contained herein;

      (b) Any  liabilities  or  obligations  of  Corporation  existing as of the
Closing Date which are not being specifically assumed hereunder;

      (c) Any transaction, event or act that occurred on or prior to the Closing
Date that materially  adversely  affects the value of the Practice Assets or the
Corporation;

      (d)  Claims,  actions  or  suits  by  employees  or  former  employees  of
Corporation based on conduct or events occurring prior to the Closing Date; or

      (e)   Stockholder's   failure  to   discharge   pension  or  benefit  plan
obligations.

Omega agrees to give prompt notice to Stockholder of the assertion of any claim,
or the threat or commencement of any suit, action, proceeding or other matter in
respect of which indemnity may be sought under this SECTION 9.1. Stockholder may
participate in the defense of any such suit, action,  proceeding or other matter
at Stockholder's expense. Stockholder shall not be liable under this SECTION 9.1
for any settlement  effected without  Stockholder's  consent of any claim, suit,
action,  proceeding or other matter in respect of which  indemnity may be sought
under this SECTION 9.1, which consent shall not be  unreasonably  withheld.  The
indemnity to be paid to Omega under this SECTION 9.1 may be paid in either cash,
Omega Stock,  or some  combination of both, at the election of the  Stockholder.
For purposes of this SECTION 9.1,  Omega Stock used to pay any  indemnity  under
this section  shall be valued  according to the Omega  Stock's then current fair
market value, determined using the method described in Section 2.1.

      Notwithstanding   the  foregoing,   the  liability  of   Corporation   and
Stockholder,  in the  aggregate,  under  this  Section  9.1 shall not exceed Two
Million  Two  Hundred  Thousand  ($2,200,000)   Dollars.   Also,  the  indemnity
obligations  of  Corporation  and  Stockholder  shall not take effect  until the
aggregate amount of such obligations  exceeds Fifty thousand Dollars  ($50,000),
at which time such indemnity obligations may be pursued for the initial $50,000,
plus any amounts exceeding $50,000.

      IX.2 GENERAL  INDEMNIFICATION  OF STOCKHOLDER AND  CORPORATION.  Omega and
OHSI shall indemnify,  defend and hold Corporation and its officers,  directors,
Stockholder, agents, employees, representatives, successors and assigns harmless
from any and all damage, loss, cost, obligation,  claims, demands,  assessments,
judgments or liability  (whether  based on contract,  tort,  product  liability,
strict  liability or  otherwise),  including  taxes and all expenses  (including
interest,   penalties  and  reasonable  attorneys'  and  accountants'  fees  and
disbursements) incurred by any of the above-named persons,  resulting from or in

                                      -23-

<PAGE>

connection with  misrepresentations,  breach of warranties or failure to perform
any covenant or agreement of Omega or OHSI contained herein.  Stockholder agrees
to give prompt notice to Omega of the  assertion of any claim,  or the threat or
commencement of any suit, action, proceeding or other matter in respect of which
indemnity may be sought under this SECTION 9.2. Omega or OHSI may participate in
the defense of any such suit,  action,  proceeding or other matter at Omega's or
OHSI's  expense.  Neither  Omega nor OHSI shall be liable under this SECTION 9.2
for any  settlement  effected  without  Omega's or OHSI's  consent of any claim,
suit,  action,  proceeding or other matter in respect of which  indemnity may be
sought under this SECTION 9.2, which consent shall not be unreasonably withheld.

      IX.3 SURVIVAL.  The  representations  and  warranties of the  Corporation,
Stockholder,   OHSI,   and   Omega   contained   in  this   Agreement   and  the
indemnifications  contained in this ARTICLE IX shall survive the Merger  through
April  30,  1999  (the  "Indemnification   Period").  Any  matter  to  which  an
indemnification  pertains and with respect to which a claim has been asserted or
threatened  following  the  Closing  Date,  and prior to the  expiration  of the
Indemnification  Period,  shall  continue to be subject to the  indemnifications
under  this  ARTICLE  IX  until  finally  terminated,   settled,   resolved,  or
adjudicated; and all terms, conditions and stipulations of this ARTICLE IX shall
likewise continue to apply.

      IX.4 SECURITY FOR INDEMNITY.  The Corporation and Stockholder hereby agree
that in the event either Omega or OHSI is entitled to  indemnification  pursuant
to the  provisions of this ARTICLE IX and either the  Corporation or Stockholder
does not pay to Omega or OHSI the amount due hereunder, then Omega or OHSI shall
be entitled to exercise  those rights set forth in that certain Stock Pledge and
Escrow  Agreement,  dated as of May 1,  1997,  by and  among  Omega,  OHSI,  and
Stockholder.
























                                      -24-

<PAGE>

                                   ARTICLE X.
                                   ----------

                           MEDIATION AND ARBITRATION
                           -------------------------

       10.1 MEDIATION.  In the event a dispute arises out of or relating to this
Agreement,  or the breach thereof, and if said dispute cannot be settled through
negotiation, the parties agree to attempt in good faith to settle the dispute by
mediation  under the  Commercial  Mediation  Rules of the  American  Arbitration
Association.  Unless the parties  reach an  agreement  reduced to writing,  this
mediation will be non-binding, but the parties must participate in good faith in
non-binding mediation, before resorting to binding arbitration.

      10.2  BINDING  ARBITRATION.  Any  controversy  or claim  arising out of or
relating  to  this  Agreement,  or its  breach,  not  satisfied  through  either
negotiation or mediation,  shall be settled by binding arbitration in accordance
with the Commercial  Arbitration Rules of the American Arbitration  Association.
Judgment upon the award  rendered by the  arbitrator may be entered in any court
having jurisdiction.

      As soon as reasonably  practical after  submission of a demand for binding
arbitration, the parties shall select one arbitrator,  agreeable to all parties.
This arbitrator will be selected from lists prepared by the American Arbitration
Association.  From the American  Arbitration  Association  list the parties will
submit to the  American  Arbitration  Association  a ranked list of  arbitrators
which are acceptable.  The highest ranking acceptable candidate will be selected
by the  American  Arbitration  Association.  If no  arbitrators  from  the  list
composed by the American Arbitration Association are acceptable by either of the
parties, the American  Arbitration  Association will compile a second list. This
procedure will be followed  until the parties have selected an  arbitrator.  The
results of the arbitrator's finding will be binding on the parties.

                                   ARTICLE XI.
                                   -----------

                                    EXPENSES
                                    --------

      Each of the parties shall pay their own costs and expenses  incurred or to
be incurred by it in negotiating and preparing this Agreement and in Closing and
carrying  out the  transactions  contemplated  by this  Agreement.  Prior to the
Closing Date, Corporation shall pay or satisfy its obligation,  if any, for such
expenses.

                                  ARTICLE XII.
                                  ------------

                                      COSTS
                                      -----

      Should any mediation or binding arbitration ("Dispute Resolution") arising
out of this  Agreement  be  instituted  by any party to this  Agreement  against
another  party,  the  party  prevailing  in such  Dispute  Resolution  shall  be
entitled,  in  addition  to such other  damages  and relief as the  mediator  or
arbitrator shall award, to  reimbursement  of reasonable  attorneys' fees, costs
and other  expenses  incurred  in the  prosecution  or defense  of such  Dispute
Resolution.
                                      -25-

<PAGE>

                                  ARTICLE XIII.
                                  -------------

                                   TERMINATION
                                   -----------

      Notwithstanding  any of the foregoing  provisions,  this  Agreement may be
terminated at any time prior to the Closing Date:

      (a)  By mutual written consent of all the parties hereto;

      (b) By  written  notice  from Omega or OHSI to  Corporation  if any of the
representations  and  warranties  made by  Corporation  and  Stockholder in this
Agreement  or in the  Exhibits  and  Schedules  annexed  hereto  are  reasonably
determined by Omega or OHSI to be untrue or inaccurate in any material  respect;
or

      (c) By written  notice from  Corporation or Stockholder to Omega if any of
the  representations  and warranties made by Omega or OHSI in this Agreement are
reasonably  determined by Corporation to be untrue or inaccurate in any material
respect.

                                 ARTICLE XIV.
                                 ------------

This section left blank intentionally.

                                  ARTICLE XV.
                                  -----------

                                     NOTICES
                                     -------

      Any notices  hereunder  shall be deemed to have been given by one party to
the other if it is in writing and it is (a)  delivered  or tendered in person or
(b)  deposited  in the United  States mail in a sealed  envelope,  with  postage
prepaid in any case addressed as follows:




      If to Omega or OHSI:          Omega Health Systems of
                                    Indiana, Inc.
                                    5100 Poplar Avenue, Suite 2100
                                    Memphis, Tennessee 38137
                                    Attn: Thomas P. Lewis

                                      -26-

<PAGE>
 
      with a copy to:               Baker, Donelson, Bearman & Caldwell, P.C.
                                    2000 First Tennessee Building
                                    165 Madison Avenue
                                    Memphis, Tennessee 38103
                                    Attn:  Robert Walker

      If to Corporation
      or Stockholder:               Joseph Faust, M.D.
                                    Faust Eye Center, P.C.
                                    711 Gardner Drive
                                    Marion, Indiana 46952

      with a copy to:               Mr. Charles A. Cohen
                                    Mantel, Cohen, Garelick,
                                    Reiswerg & Fishman, P.C.
                                    Suite 800, Keystone Crossing
                                    8888 Keystone Crossing Blvd. Plaza
                                    Indianapolis, Indiana 46240-4636

or to such other address as the party addressed shall have previously designated
by notice to the  serving  party,  given in  accordance  with this  ARTICLE  XV.
Notices  shall be deemed to have been duly given (i) on the date of  delivery if
delivered  personally;  (ii) or on the  third  day  after  mailing  if mailed as
provided above; provided, however, that a notice not given as above shall, if it
is in writing, be deemed given if and when actually received by a party.

                                  ARTICLE XVI.
                                  ------------

                              AMENDMENT AND WAIVER
                              --------------------

      The parties  hereto may by mutual  agreement  amend this  Agreement in any
respect.  Any party hereto may extend the time for the performance of any of the
obligations of the other, waive any inaccuracies in representations by the other
contained in this Agreement or in any document delivered pursuant hereto,  which
inaccuracies  would  constitute a breach of this Agreement,  waive compliance by
the other with any of the covenants  contained in this Agreement and performance
of any obligations by the other, and waive the fulfillment of any condition that
is precedent to the  performance by the party so waiving any of its  obligations
under  this  Agreement.  Any  agreement  on the part of any  party  for any such
amendment,  extension  or  waiver  must be in  writing  and  signed by the party
agreeing  to be  bound  thereby.  No  waiver  of any of the  provisions  of this
Agreement  shall  be  deemed,  or  shall  constitute,  a  waiver  of  any  other
provisions, whether or not similar, nor shall any waiver constitute a continuing
waiver.

                                      -27-

<PAGE>

                                  ARTICLE XVII.
                                  -------------

                          EMPLOYEES - EMPLOYEE BENEFITS
                          -----------------------------
    
      XVII.1 AFFECTED EMPLOYEES.  "Affected  Employees" shall mean employees,  a
list of which is attached hereto as Schedule 17.1, of Corporation on the Closing
Date.

      XVII.2 RESPONSIBILITIES.  Prior to the Closing Date, Corporation agrees to
satisfy,  or cause its  insurance  carriers to satisfy,  all claims for medical,
health and hospital benefits,  whether insured or otherwise (including,  but not
limited  to,  workers  compensation,  life  insurance,  medical  and  disability
programs),  under Corporation's employee benefit plans brought by, or in respect
of, Affected  Employees and former employees of Corporation prior to the Closing
Date, in accordance with the terms and conditions of such employee benefit plans
or applicable workers compensation  statutes without interruption as a result of
the  employment by the Surviving  Corporation  of any such  employees  after the
Closing Date.

      XVII.3 TERMINATION  BENEFITS.  Corporation and Stockholder shall be solely
responsible for, and shall pay or cause to be paid, severance payments and other
termination  benefits,  if any, to Affected Employees who may become entitled to
such  benefits by reason of any events  occurring  prior to the Closing Date. If
any action on the part of  Corporation  prior to the  Closing,  or if the Merger
pursuant to this  Agreement  shall result in any liability or claim of liability
for severance payments or termination  benefits,  or any liability,  forfeiture,
fine or other  obligation  by virtue of any state,  federal  or local law,  such
liability or claim of liability shall be the sole responsibility of Stockholder,
and Stockholder shall indemnify and hold harmless the Surviving Corporation from
any losses resulting directly or indirectly from such liability or claim.

      XVII.4  EMPLOYEE   BENEFIT  PLANS.  On  or  prior  to  the  Closing  Date,
Stockholder shall cause the Corporation to either terminate any employee benefit
plans  maintained  by  Corporation  or cause  another  entity  to  assume  their
sponsorship  through  merger,  consolidation  or  transfer  of  plan  assets  as
described  in  (beta)414(i)  of the Internal  Revenue Code of 1986,  AS amended.
Should the time needed to effect such  termination,  merger,  consolidation,  or
transfer  extend beyond the Closing Date, any and all costs of such shall be the
sole responsibility of the Stockholder.



                                      -28-

<PAGE>


                                  ARTICLE XVIII.
                                  --------------

                                  MISCELLANEOUS
                                  -------------

      XVIII.1 PRESS RELEASE.  Except as required by law, neither the Corporation
nor  Stockholder  shall make any press  releases or other  public  announcements
relating to this Agreement or the transactions  contemplated hereby, without the
prior written consent of Omega.

      XVIII.2  BINDING  EFFECT.  This Agreement shall be binding upon, and shall
inure to the benefit of, the parties hereto, their successors and assigns.

      XVIII.3 ENTIRE AGREEMENT.  This Agreement constitutes the entire agreement
between the parties  pertaining to the subject  matter hereof and supersedes any
prior agreements and understandings of the parties in connection therewith.

      XVIII.4  GOVERNING LAW;  VENUE.  This  Agreement  shall be governed by and
construed in accordance with the laws of the State of Indiana.  Any mediation or
binding  arbitration  with respect to this Agreement shall be conducted in Grant
County, Indiana.

      XVIII.5  COUNTERPARTS.  This  Agreement  may be  executed in any number of
counterparts,  each of which shall be deemed an original, but all of which shall
constitute one and the same instrument.

      XVIII.6  HEADINGS.  The subject  headings of the  Articles,  Sections  and
subparagraphs  of this Agreement are included for purposes of convenience  only,
and  shall  not  affect  the  construction  or  interpretation  of  any  of  its
provisions.

      XVIII.7 FINDERS. Each party warrants to the other that no finder or broker
has been  engaged by it in this  transaction  and that no finder's or  brokerage
fees are due to any person as a result of this Agreement.

      XVIII.8 NO THIRD-PARTY  BENEFIT.  Except as otherwise  expressly provided,
nothing  in this  Agreement,  expressed  or  implied,  is  intended  or shall be
construed  to confer upon any person other than the parties  hereto,  any right,
remedy,  or claim,  legal or equitable,  under or by reason of this Agreement or
any provision thereof.

      XVIII.9 ASSIGNMENT. Neither this Agreement nor any of the rights or duties
of any party  hereto may be  transferred  or assigned to any person  except by a
written agreement  executed by each of the parties hereto,  except that Omega or
OHSI  reserves the right to assign this  Agreement to any affiliate or successor
of either Omega or OHSI.

                                      -29-

<PAGE>

      IN WITNESS WHEREOF, the parties hereto have executed this Agreement on the
day and year hereinabove first set forth.


CORPORATION:                              OMEGA:

FAUST EYE CENTER, P.C.                    OMEGA HEALTH SYSTEMS OF
                                          INDIANA, INC.

By:                                       By:
    -----------------------------------       ----------------------------------
     Joseph Faust, M.D., President            Ronald L.  Edmonds,  Executive
                                              Vice President


                                          OHSI:

STOCKHOLDER:                              OMEGA HEALTH SYSTEMS, INC.



                                          By:
                                             ----------------------------------
      Joseph Faust, M.D.                       Ronald L.  Edmonds,  Executive
                                               Vice President




                                      -30-






                                                                     EXHIBIT 2.4
                                                                     -----------
                           
                            PARTNERSHIP AGREEMENT
                                      OF
                   OUTPATIENT SURGERY CENTER OF INDIANA, LLP
                   -----------------------------------------

      OMEGA HEALTH SYSTEMS OF INDIANA,  INC., an Indiana corporation  ("Omega"),
and THE  OUTPATIENT  SURGERY  CENTER OF INDIANA,  INC.,  an Indiana  corporation
("OSCI") (Omega and OSCI are sometimes  hereinafter  collectively referred to as
the  "Partners"  and  individually  referred to as a "Partner"),  hereby form an
Indiana  limited  liability   partnership  by  entering  into  this  Partnership
Agreement of OUTPATIENT SURGERY CENTER OF INDIANA, LLP, dated to be effective as
of May 1, 1997.

                             ARTICLE I - DEFINITIONS

      In addition to terms defined  elsewhere in this  Agreement,  the following
terms shall,  for purposes of this  Agreement,  have the meanings  designated in
this ARTICLE I:

      Section I.1 ACT. The term "Act" shall mean: the Uniform  Partnership  Act,
Indiana Code Section 23-4-1-1 et seq., as from time to time amended.

      Section I.2 AFFILIATE.  The term  "Affiliate"  shall mean: any Person that
directly  or  indirectly  through  one  or  more  intermediaries   controls,  is
controlled by or is under common control with another Person

      Section I.3  AGREEMENT.  The term  "Agreement"  shall mean:  this  Limited
Liability Partnership Agreement of Outpatient Surgery Center of Indiana, LLP, as
originally executed and as subsequently amended from time to time.

      Section I.4 BANKRUPTCY. The term "Bankruptcy" shall mean: bankruptcy under
the Federal Bankruptcy Code or insolvency under any state insolvency act.

      Section I.5 BUSINESS  DAY.  The term  "Business  Day" shall mean:  any day
other than a  Saturday,  Sunday and those legal  public  holidays  specified  in
U.S.C. (beta) 6103(a), as amended from time to time.

      Section I.6 CAPITAL  ACCOUNT.  The term "Capital  Account" shall mean: the
Capital  Account  maintained  for each  Partner  pursuant to SECTION 6.5 of this
Agreement.

      Section I.7 CAPITAL  CONTRIBUTION.  The term "Capital  Contribution" shall
mean: the total amount of cash or property contributed to the Partnership by all
the Partners or any one Partner, as the case may be.





                                      -31-

<PAGE>

      Section I.8 CODE. The term "Code" shall mean: the Internal Revenue Code of
1986, as it has been and may be amended.

      Section I.9  INTEREST.  The term  "Interest"  shall  mean:  all rights and
interests of a Partner under this Agreement and the Act, including (i) the right
of  a  Partner,   expressed  as  a  percentage   in  SECTION  6.3A,  to  receive
distributions of revenues,  allocations of income and loss and  distributions of
liquidation  proceeds  under this  Agreement,  and (ii) all  management  rights,
voting rights or rights to consent.

      Section I.10 MANAGING  PARTNER.  The term  "Managing  Partner"  shall mean
Omega until such time,  if any, as the  Partners  designate  another  Partner as
such.

      Section I.11 OMEGA.  The term "Omega" shall mean:  Omega Health Systems of
Indiana,  Inc., an Indiana corporation,  which is one of the Partners under this
Agreement.

      Section I.12 NOTIFICATION.  The term "Notification"  shall mean: a writing
containing any information  required by this Agreement to be communicated to any
Person, which may be personally delivered, sent by registered or certified mail,
postage prepaid, to such Person, at the last known address of such Person on the
Partnership  records. Any such Notification shall be deemed to be given (i) when
delivered,  in the case of personal delivery,  and (ii) on the earlier of actual
receipt by the  addressee  or three (3) days  following  the date on which it is
deposited in a regularly maintained  receptacle for the deposit of United States
mail,  addressed and sent as aforesaid,  in the case of mail. Any  communication
containing  information  sent  to any  Person  other  than  as  required  by the
foregoing  sentences,  but which is  actually  received  by such  Person,  shall
constitute  Notification as of the date of such receipt for all purposes of this
Agreement.

      Section I.13 PARTNERS.  The term  "Partners"  shall mean: at any time, the
Persons who then own  Interests in the  Partnership.  The initial  Partners are:
Omega and OSCI.

      Section I.14 PARTNERSHIP.  The term "Partnership"  shall mean:  Outpatient
Surgery Center of Indiana,  LLP, an Indiana limited  liability  partnership,  as
said limited liability partnership may from time to time be constituted.

      Section I.15  PARTNERSHIP  PROPERTY OR PROPERTIES.  The term  "Partnership
Property"  and the term  "Partnership  Properties"  shall mean:  all  interests,
properties and rights of any type owned by the Partnership, whether owned by the
Partnership at the date of its formation or thereafter acquired.

      Section I.16 PERSON.  The term "Person"  shall mean:  Any natural  person,
limited liability company,  limited liability partnership,  general partnership,
limited  partnership,   corporation,   joint  venture,  trust,  business  trust,
cooperative or association.

                                      -32-

<PAGE>

      Section I.17 OSCI.  The term "OSCI"  shall mean:  The  Outpatient  Surgery
Center of Indiana,  Inc., an Indiana  corporation,  which is one of the Partners
under this Agreement.

      Section I.18 TRANSFER.  The term "Transfer"  shall mean: Any change in the
record  ownership of an Interest,  whether made  voluntarily or involuntarily by
operation of law, including, but not limited to, the following:

            A.  a sale or gift to any Person;

            B. if a Partner of the  Partnership is an individual,  a transfer to
      the personal  representative  of the estate of such  individual  upon such
      individual's  death,  and  any  subsequent  transfer  from  such  personal
      representative  to the heirs or devisees of the deceased  individual under
      such   individual's  will  or  by  the  applicable  laws  of  descent  and
      distribution;

            C. if a Partner of the Partnership is an individual, a transfer to a
      judicially   appointed   personal   representative  as  a  result  of  the
      adjudication  by a court of  competent  jurisdiction  that the  transferor
      individual is mentally incompetent to manage his person or property;

            D. if a Partner of the Partnership is an individual,  a transfer, to
      the extent  permitted  by law, to the  transferor  individual's  spouse or
      former  spouse,  or heirs of such spouse or former  spouse,  in connection
      with a division of their community or other property upon the death of the
      transferor individual, divorce or the death of such spouse;

            E. a  general  assignment  for  the  benefit  of  creditors,  or any
      assignment to a creditor resulting from the creditor's foreclosure upon or
      execution against such Interest;

            F. the filing by the  transferor  Partner of a voluntary  Bankruptcy
      petition; or

            G. the entry of a judicial  order  granting the relief  requested by
      the petitioner in an involuntary  Bankruptcy  proceeding filed against the
      transferor Partner.

      Section 1.18  GOVERNING  BOARD.  The term  "Governing  Board" shall mean a
three member  committee  chosen by the Partners in accordance with the provision
of this Agreement to assure patient care quality,  compliance with statutory and
regulatory health requirements, and to appoint a Chief of Staff.

      Section  I.19  CHIEF OF STAFF.  The term  "Chief of  Staff"  shall  mean a
physician  holding  an  unlimited  license  to  practice  medicine  in  Indiana,
specializing in ophthalmology.

                                      -33-

<PAGE>

      Section I.20 TRANSFER DATE.  The term "Transfer  Date" shall mean the date
upon which the necessary  licenses and approvals for the  Partnership to operate
the Ambulatory  Surgery Center (the "ASC")  operated by OSCI on the date of this
Agreement are obtained by the Partnership.

                         ARTICLE II - THE PARTNERSHIP

      Section  II.1  FORMATION  OF   PARTNERSHIP.   The  Partners  hereby  form,
constitute  and establish a limited  liability  partnership  pursuant to the Act
and, as provided below, subject to the terms of this Agreement. Except as herein
stated, the Act shall govern the rights and liabilities of the Partners.

      Section  II.2   QUALIFICATION  IN  OTHER   JURISDICTIONS.   Prior  to  the
Partnership  conducting  business in any  jurisdiction  other than Indiana,  the
Managing Partner shall cause the Partnership to comply with all requirements, if
any,  necessary  to qualify the  Partnership  as a foreign  partnership  in that
jurisdiction.

      Section II.3 TERM.  Pursuant to the Act, the term of the Partnership shall
commence  effective as of the date first above written.  The  Partnership  shall
exist until April 30, 2037,  unless sooner  terminated  in accordance  with this
Agreement.

      Section  II.4  MERGER.  The  Partnership  may merge  with or into  another
partnership  (general or limited) or other entity, or enter into an agreement to
do so with the consent of all of the Partners.

      Section 2.5  REGISTRATION.  The Managing  Partner is hereby  authorized to
execute and file a Certificate of Registration on behalf of the Partnership with
the Indiana  Secretary of State as evidence of the intention of the  Partnership
to act as an Indiana  limited  liability  partnership,  and to do all such other
things as execute and file all such other  documents and  instruments  as may be
deemed  necessary by the Partners  for the  Partnership  to become and remain an
Indiana limited liability partnership.

      Section 2.6 REGISTERED AGENT,  REGISTERED  OFFICE. The registered agent of
the Partnership  for service of process shall be Joseph F. Faust,  whose address
is 711 Gardner Drive,  Marion,  Indiana 46952.  The registered agent will notify
Omega promptly upon receipt of any notice received in his capacity as registered
agent.

             ARTICLE III - NAME; PLACE OF BUSINESS; PRINCIPAL OFFICE

      Section III.1 NAME.  The name of the  Partnership  is  Outpatient  Surgery
Center of Indiana, LLP.

      Section  III.2  ASSUMED  NAMES.   The  Managing   Partner  may  cause  the
Partnership to do business under one or more assumed names.  In connection  with
the use of any  such  assumed  names,  the  Managing  Partner  shall  cause  the
Partnership to comply with Indiana law.



                                      -34-

<PAGE>

      Section III.3 PRINCIPAL OFFICE AND OTHER OFFICES.  The principal office of
the Partnership shall be located at 711 Gardner Drive, Marion,  Indiana,  46952,
or such other place as the Managing Partner may designate from time to time, and
the  Partnership  shall  maintain  records there or in Memphis,  Tennessee.  The
Partnership  may have such other offices as the Partners may designate from time
to time.

                              ARTICLE IV - PURPOSES

      Section IV.1  PARTNERSHIP  PURPOSES.  The purpose of the Partnership is to
engage in the business of operating an ambulatory surgical center (the ASC), and
to do all acts or things necessary or appropriate to accomplish such purpose.

                              ARTICLE V - PARTNERS

      Section  V.1  INITIAL  PARTNERS.  The names and  addresses  of the initial
Partners of the  Partnership are as set forth on SCHEDULE 5.1 of this Agreement.
At the date hereof,  there are no other Partners of the Partnership and no other
Person  has  any  right  to take  part in the  ownership  or  management  of the
Partnership.

      Section V.2 ADMISSION OF ADDITIONAL  PARTNERS.  Additional Partners of the
Partnership may be admitted as follows:

            A.  ACQUISITION  FROM THE  PARTNERSHIP.  If the proposed  additional
      Partner  desires to  purchase  his  Interest  from the  Partnership,  such
      purchase may be made and the  admission of the  additional  Partner  shall
      become effective only if the identity of the proposed  additional  Partner
      and the amount of the Capital  Contribution  to be made by him in exchange
      for his Interest is first unanimously approved by the existing Partners.

            B. ACQUISITION FROM A PARTNER.  If the proposed  additional  Partner
      desires to acquire his  Interest in a Transfer  from an existing  Partner,
      such  Transfer  may be made and the  admission of the  additional  Partner
      shall become  effective  only in accordance  with SECTION 11.2 and ARTICLE
      XVI hereof. All other attempted Transfers of any interest or right, or any
      part thereof,  in or in respect of the Partnership  shall be null and void
      ab initio.

               ARTICLE VI - CAPITAL CONTRIBUTIONS AND INTERESTS

      Section  VI.1  INITIAL   CAPITAL   CONTRIBUTIONS.   The  Initial   Capital
Contributions which have been delivered  concurrently with the execution of this
Agreement by the Partners is cash in the amount of Two hundred Dollars ($200.00)
representing a contribution  of One Hundred  Dollars  ($100.00) each by OSCI and
Omega.

                                      -35-

<PAGE>

      Section VI.2  ADDITIONAL  CAPITAL  CONTRIBUTIONS.  The Additional  Capital
Contributions  (herein so called) of each Partner  shall be made on the Transfer
Date set forth in Section 1.20 of this  Agreement in  accordance  with the joint
instructions of Omega and OSCI to Mantel, Cohen,  Garelick,  Reiswerg & Fishman,
P.C.,  Indianapolis,  Indiana, the Escrow Agent for the Partnership (the "Escrow
Agent"), and shall be as follows:

            A.  CONTRIBUTION OF OMEGA.  The Additional  Capital  Contribution of
      Omega, which has been delivered to the Escrow Agent, concurrently with the
      execution of this Agreement by the Partners,  is cash in the amount of One
      Million Two Hundred Forty-One Thousand U.S. Dollars ($1,241,000.00); and,

            B.  CONTRIBUTION  OF OSCI. The Additional  Capital  Contribution  of
      OSCI, which has been delivered to the Escrow Agent,  concurrently with the
      execution of this Agreement by the Partners, consists of a Bill of Sale to
      the Partnership for substantially all the assets of the ASC owned by OSCI,
      as set  forth  on  SCHEDULE  6.2B(1),  excepting  those  assets  that  are
      excluded,  as set forth on SCHEDULE  6.2B(2),  and certain  liabilities of
      OSCI , as set forth on SCHEDULE  6.2B(3),  which  liabilities are acquired
      and assumed by the Partnership, all of which assets and liabilities have a
      net fair market value,  as agreed to by the Partners,  of Two Million Four
      Hundred Eighty-Two Thousand U.S.
      Dollars ($2,482,000.00).

      Section VI.3 INTERESTS.  The following  provisions shall apply with regard
to Interests in the Partnership:

            A. PERCENTAGE INTERESTS.  Upon making the respective Initial Capital
      Contribution  specified  in  SECTION  6.1,  each  Partner  shall  own  the
      percentage Interest set forth opposite such Partner's name as follows:


          Partner                                         Interest
          -------                                         --------

          Omega Health Systems of Indiana, Inc.              50%

          The Outpatient Surgery Center of Indiana, Inc.     50%


The respective  percentage  Interest of each Partner may not be reduced  without
such Partner's express written consent.

            B.  CERTIFICATES   REPRESENTING  INTERESTS.  The  Interests  of  the
      Partners  may be  evidenced  by  certificates  issued by the  Partnership,
      which,  if issued,  shall be in such form and  incorporate  such  legends,
      recitals and provisions as the Partners shall deem necessary or advisable.
      If  certificates  are issued,  the  Partners  shall  establish  reasonable


                                      -36-

<PAGE>

      procedures for the delivery and reissuance of  certificates  in connection
      with Transfers of Interests,  split-ups or combinations  of  certificates,
      loss or destruction of certificates and other  eventualities.  Among other
      matters,  such  procedures may set forth required fees,  indemnifications,
      documentation and signatures (including guarantees thereof) to be obtained
      from parties requesting  reissuance of certificates.  Such procedures need
      not be  incorporated  into this  Agreement,  but a copy  thereof  shall be
      delivered to all Partners.

      Section VI.4 NO FURTHER CAPITAL CONTRIBUTIONS. Without the approval of all
the  Partners,  no Partner  shall be  obligated  or allowed to make any  Capital
Contribution  other  than  the  respective  Initial  Capital   Contribution  and
Additional Capital  Contribution of each Partner as set forth in SECTION 6.1 and
SECTION 6.2. This  provision of this  Agreement  may not be amended  without the
express written consent of all Partners.

      Section VI.5 CAPITAL ACCOUNTS.  A capital account shall be established and
maintained  for each  Partner.  Each  Partner's  capital  account  (a)  shall be
increased  by (i)  the  amount  of  money  contributed  by that  Partner  to the
Partnership,  (ii) the fair market value of property contributed by that Partner
to the Partnership (net of liabilities secured by the contributed  property that
the  Partnership  is  considered to assume or take subject to Section 752 of the
Code), and (iii) allocations to that Partner of Partnership  income and gain (or
items  thereof),  including  income and gain exempt from tax and income and gain
described in Treas.  Reg.  1.704-1(b)(2)(iv)(g),  but excluding  income and gain
described in Treas. Reg. 1.704-1(b)(4)(i), and (b) shall be decreased by (i) the
amount of money  distributed to that Partner by the  Partnership,  (ii) the fair
market value of property  distributed to that Partner by the Partnership (net of
liabilities  secured by the distributed  property that the Partner is considered
to assume or take subject to Section 752 of the Code), (iii) allocations to that
Partner of expenditures of the Partnership  described in Section 705(a)(2)(B) of
the Code,  and (iv)  allocations  of  Partnership  loss and  deduction (or items
thereof),    including   loss   and   deduction   described   in   Treas.   Reg.
1.704-1(b)(2)(iv)(g), but excluding items described in clause (b)(iii) above and
loss   or   deduction    described   in   Treas.   Reg.    1.704-1(b)(4)(i)   or
1.704-1(b)(4)(iii).  The Partners' capital accounts also shall be maintained and
adjusted as permitted by the provisions of Treas. Reg.  1.704-1(b)(2)(iv)(f) and
as  required  by the other  provisions  of  Treas.  Reg.  1.704-1(b)(2)(iv)  and
1.704-l(b)(4),  including adjustments to reflect the allocations to the Partners
of depreciation,  depletion, amortization, and gain or loss as computed for book
purposes rather than the allocation of the  corresponding  items as computed for
tax purposes,  as required by Treas. Reg.  1.704-1(b)(2)(iv)(g).  A Partner that
has more than one Interest shall have a single capital account that reflects all
its  Interests,  regardless of the class of Interests  owned by that Partner and
regardless of the time or manner in which those Interests were acquired.  On the
transfer of all or part of an Interest,  the capital  account of the  transferor
that is  attributable  to the  transferred  Interest or part thereof shall carry
over to the transferee Partner in accordance with the provisions of Treas.
Reg. 1.704-1(b)(2)(iv)(1).

                                      -37-

<PAGE>

      Section VI.6 RETURN OF CAPITAL  CONTRIBUTIONS.  Anything in this Agreement
to the  contrary  notwithstanding,  upon the receipt by the  Partnership  of the
Additional  Capital  Contribution  of both Partners  from the Escrow Agent,  the
Partnership  shall  distribute  to OSCI cash in the  amount of One  Million  Two
Hundred Forty-One Thousand U.S. Dollars ($1,241,000.00);  otherwise, the Capital
Contributions of the Partners shall not be subject to withdrawal except with the
approval  of  all of the  Partners,  or  upon  dissolution  of the  Partnership.
Distributions of Partnership net profits,  if any, that are not to be applied to
the business of the  Partnership,  shall be made to the  Partners in  accordance
with their respective  Distributive Shares.  Except as otherwise provided herein
or in the Act,  no Partner  shall  have the right to  withdraw,  or receive  any
return of, such Partner's Capital Contribution.

      Section VI.7  INTEREST.  No interest  shall be paid by the  Partnership on
Capital Contributions or on balances in Partners' Capital Accounts.

      Section VI.8 LOANS FROM  PARTNERS.  Loans by a Partner to the  Partnership
shall not be  considered  Capital  Contributions.  If any Partner  shall advance
funds to the  Partnership  in excess of the  amounts  required  hereunder  to be
contributed  by such  Partner to the capital of the  Partnership,  the making of
such  advances  shall not result in any  increase  in the amount of the  Capital
Account of such Partner. The amounts of any such advances shall be a debt of the
Partnership to such Partner and shall be payable or collectible  only out of the
Partnership  assets in accordance  with the terms and conditions upon which such
advances are made. Any advances made to the Partnership pursuant to this Section
6.7 shall bear interest until repaid at the rate charged by Huntington  National
Bank of Indiana,  in Indianapolis,  to its best corporate  customers (the "Prime
Rate") plus one percentage point; for example, if the Prime Rate is 8%, interest
on such advances made pursuant to this SECTION 6.7 shall be at 9%. The repayment
of loans from a Partner to the Partnership upon liquidation  shall be subject to
the order of priority set forth in SECTION 13.4A hereof.  The Partnership  debts
provided for in SECTION 7.9 hereof shall not be governed by this SECTION 6.8.

                  ARTICLE VII - ALLOCATIONS AND DISTRIBUTIONS

      Section VII.1 ALLOCATION OF INCOME AND LOSS. Except as otherwise  provided
for herein,  the following  provisions shall apply with regard to the allocation
of income and loss of the Partnership:

            A.  ALLOCATIONS  GENERALLY.  Except as may be  required  by  Section
      704(c) of the Code and Treas.  Reg.  1.704-1(b)(2)(iv)(f)(4),  the income,
      gains,   losses,   deductions  and  credits  (or  items  thereof)  of  the
      Partnership  shall be shared by the  Partners  in  accordance  with  their
      respective percentage Interests.  It is the intention of the Partners that
      allocations  of income,  gains,  losses,  deductions and credits (or items
      thereof)  pursuant to this SECTION 7.1 be in accordance with the Partners'
      Interests for tax purposes.

                                      -38-

<PAGE>

            B. Allocations with respect to Transferred  Interests.  All items of
      income, gain, loss,  deduction,  and credit allocable to any Interest that
      may have been  transferred  shall be allocated  between the transferor and
      the transferee based on the portion of the calendar year during which each
      was recognized as owning that  Interest,  without regard to the results of
      Partnership operations during any particular portion of that calendar year
      and  without  regard  to  whether  cash  distributions  were  made  to the
      transferor or the transferee during that calendar year; provided, however,
      that this allocation must be made in accordance with a method  permissible
      under Section 706 of the Code and the regulations thereunder.

      Section VII.2  DETERMINATION OF INCOME AND LOSS. At the end of each fiscal
year of the  Partnership,  income,  gain,  loss,  deduction and credit (or items
thereof) shall be determined by the Managing  Partner pursuant to this Agreement
for the accounting  period then ending and shall be allocated to the Partners in
accordance with SECTION 7.1.

      Section VII.3 CASH DISTRIBUTIONS.  Commencing no later than the end of the
Partnership's  first  fiscal  quarter,  the  Managing  Partner  shall,  at least
quarterly, balance the Partnership's accounts and distribute to the Partners, in
accordance  with their  respective  Interests,  the amount by which cash on hand
exceeds the amount necessary to meet the current costs, expenses and liabilities
of the Partnership (including,  without limitation,  the certain debts listed in
Section 7.9 hereof,  and a reasonably  adequate  reserve for working capital and
contingencies).  The Partnership shall not make any distribution to the Partners
if, immediately after giving effect to the distribution,  all liabilities of the
Partnership,  other than liabilities to Partners with respect to their Interests
and  liabilities  for which the  recourse of  creditors  is limited to specified
property  of the  Partnership,  exceed the fair value of  Partnership  Property,
except  that the  fair  value  of  Partnership  Property  that is  subject  to a
liability  for which  recourse of creditors is limited  shall be included in the
Partnership  assets only to the extent  that the fair value of that  Partnership
Property exceeds that liability.

      Section VII.4  DISTRIBUTIONS  OF OTHER  PROPERTY.  From time to time,  the
Managing  Partner also may cause property of the Partnership  other than cash to
be distributed to the Partners,  which  distribution  must be made in accordance
with their respective  Interests and may be made subject to existing liabilities
and obligations. Immediately prior to such distribution, the capital accounts of
the Partners shall be adjusted as provided in Treas. Reg. 1.704-1(b)(2)(iv)(f).

      Section VII.5  MINIMUM GAIN LIMITATIONS/QUALIFIED INCOME OFFSET.

            A. MINIMUM GAIN DEFINED.  The term  "Minimum  Gain" means the amount
      determined by computing, with respect to each nonrecourse liability of the
      Partnership,  the amount of gain (of  whatever  character),  if any,  that
      would be realized by the Partnership if the Partnership  disposed of (in a
      taxable  transaction) the Partnership Property subject to such nonrecourse
      liability  in  full  satisfaction  thereof,  and by then  aggregating  the
      amounts so computed.

                                      -39-

<PAGE>

            B. NONRECOURSE DEDUCTIONS DEFINED. The term "Nonrecourse  Deduction"
      means,  for a taxable year, an amount of the net increase,  if any, in the
      amount of Minimum  Gain of the  Partnership  during that taxable year plus
      the  amount,  if any,  by which the net  increase  in Minimum  Gain of the
      Partnership  during any prior  taxable  year  exceeds the total  amount of
      items of Partnership loss, deduction and expenditures set forth in Section
      705(a)(2)(B) of the Code for such year. The  nonrecourse  deductions for a
      taxable  year  shall  consist  first  of  depreciation  or  cost  recovery
      deductions,  if any, with respect to items of Partnership Property subject
      to one or more nonrecourse liabilities of the Partnership to the extent of
      the  increase  in  the  Minimum  Gain   attributable  to  the  nonrecourse
      liabilities  to which  each such item of  property  is  subject,  with the
      remainder Nonrecourse Deductions, if any, made up of a pro rata portion of
      the  Partnership's  other items of deduction,  loss and  expenditures  set
      forth in Section 705(a)(2)(B) of the Code for that year.

            C.  DEFICIT  CAPITAL  ACCOUNT   DEFINED.   For  purposes  of  this
      SECTION 7.5,  the term  "Deficit  Capital  Account"  means  the  deficit
      balance,  if any, of a Partner's Capital Account as determined  pursuant
      to  SECTION 6.4  adjusted  by (i)  adding  (crediting)  to such  Capital
      Account  the amount of such  Partner's  share of the Minimum  Gain,  and
      (ii)  subtracting  (debiting)  from such  Capital  Account the amount of
      such   Partner's   share  of  the  items   described   in  Treas.   Reg.
      1.704-l(b)(2)(ii)(d)(4), (5), and (6).

            D.  PARTNER'S  SHARE OF MINIMUM  GAIN. A Partner's  share of Minimum
      Gain of the Partnership at the end of any Partnership  taxable year equals
      the aggregate  Nonrecourse  Deductions allocated to such Partner (and such
      Partner's  predecessor  in interest) up to that time,  less such Partner's
      (and such Partner's  predecessor in interest)  aggregate  share of the net
      decreases in Minimum Gain of the  Partnership up to that time. A Partner's
      share of the net  decrease  in Minimum  Gain of the  Partnership  during a
      Partnership  taxable year equals an amount that bears the same relation to
      the net  decrease in Minimum Gain of the  Partnership  during such year as
      such Partner's  share of Minimum Gain of the Partnership at the end of the
      prior taxable year of the Partnership  bears to the amount of Minimum Gain
      of the Partnership at the end of such prior taxable year.

            E. LIMITATION ON LOSS ALLOCATIONS.  Notwithstanding anything in this
      Article VII to the  contrary,  any  allocation of loss or deduction of the
      Partnership  (other than a Nonrecourse  Deduction) shall be allocated to a
      Partner  only to the  extent  that such  allocation  does not  cause  such
      Partner to have a Deficit Capital Account.

            F.  MINIMUM  GAIN  CHARGEBACK.   Notwithstanding   anything  in  the
      foregoing sections of this Article VII to the contrary,  in the event that
      there is a net  decrease  in Minimum  Gain of the  Partnership  during the
      Partnership's  taxable year, all Partners with a Deficit  Capital  Account


                                      -40-

<PAGE>

      will be allocated,  before any other  allocations of Partnership items for
      such taxable year under this Agreement,  items of income and gain for such
      year  (and,  if  necessary,  subsequent  years)  in an  amount  needed  to
      eliminate such deficit as quickly as possible. The Minimum Gain chargeback
      allocated in any taxable year shall consist first of gains recognized from
      the  disposition of items of Partnership  Property  subject to one or more
      nonrecourse  liabilities of the  Partnership to the extent of the decrease
      in Minimum Gain  attributable to the disposition of such items of property
      with the remainder of such Minimum Gain  chargeback,  if any, made up of a
      pro rata portion of the  Partnership's  other items of income and gain for
      that year.

            G.  QUALIFIED  INCOME  OFFSET.   Notwithstanding   anything  in  the
      foregoing sections of this ARTICLE VII to the contrary,  in the event that
      any  Partner  unexpectedly  receives  any  adjustments,   allocations,  or
      distributions  described in Treas.  Reg.  1.704-1(b)(2)(ii)(d)(4),  (5) or
      (6), which causes a deficit balance in such Partner's  Capital Account (or
      causes an  increase  in an  existing  deficit  balance  in such  Partner's
      Capital  Account),  items of income  and gain shall be  allocated  to such
      Partner  in an amount and  manner  sufficient  to  eliminate  the  deficit
      balance  in  such  Partner's  Capital  Account  as  quickly  as  possible;
      provided,  however,  that  allocations  of  income or gain  shall  only be
      required pursuant to this Subsection G of SECTION 7.5 if and to the extent
      that the  foregoing  adjustments,  allocations  or  distributions  cause a
      Deficit  Capital  Account  of the  Partners  receiving  such  adjustments,
      allocations, or distributions determined at the end of the taxable year of
      the Partnership to which such allocations relate.

      Section VII.6  COMPLIANCE  WITH SECTION 704 OF THE CODE. The provisions of
this Agreement  relating to maintenance of Capital  Accounts and the computation
and  allocation  of net income,  gains,  and losses are  intended to comply with
Section  704 of the  Code and the  Regulations  thereunder  (including,  without
limitation,  the provisions  regarding  substantial  economic effect,  qualified
income offset,  allocations of nonrecourse deductions,  minimum gain chargeback,
and  other  considerations  under  Section  704 of the Code and the  Regulations
thereunder),  and shall be interpreted  and applied in a manner  consistent with
Section  704 of the Code and such  Regulations  in order to  achieve  the agreed
allocation of cash among the Partners.  In the event the Partners determine that
it is prudent or necessary  to modify the manner in which the Capital  Accounts,
or any debits or credits  thereto,  are computed or allocated in order to comply
with Section 704 of the Code and/or the  Regulations  thereunder  and/or to make
any optional  elections  thereunder,  the Partnership may make such modification
and/or  election,  including an amendment to this Agreement if the Partners deem
it necessary. The Partners shall also make any appropriate modifications to this
Agreement in the event unanticipated events might otherwise cause this Agreement
not to comply with  Section 704 of the Code and/or the  Regulations  thereunder.
Further,  notwithstanding  anything to the contrary contained in this Agreement,
if the Regulations  thereunder  require an allocation of net income,  gains, and
losses in a manner different from that set forth in ARTICLE VII (other than this
SECTION 7.6) of this Agreement, such allocations shall be taken into account for
the purpose of equitably adjusting subsequent  allocations of net income, gains,
and losses so that the net cumulative allocations,  in the aggregate,  allocated


                                      -41-

<PAGE>

to each  Partner  pursuant  to ARTICLE  VII of this  Agreement,  including  this
SECTION  7.6 shall,  as  quickly as  possible  and to the extent  possible,  and
without violating the constraints  contained in this Section 7.6, be the same as
if no such  allocations  had been made under this SECTION 7.6 so that the agreed
upon allocation of cash among the Partners will be respected.

      Section VII.7 SAVINGS CLAUSE. The tax allocation  provisions  contained in
ARTICLE VII of this  Agreement  are intended to produce  final  Capital  Account
balances that are at levels ("Target Final Balances")  which permit  liquidating
distributions  that are made in  accordance  with  such  final  Capital  Account
balances to be equal to distributions  that would occur on final  liquidation of
the Partnership.  To the extent that the tax allocation  provisions contained in
ARTICLE VII of this Agreement would not produce the Target Final  Balances,  the
provisions  of this  Agreement  shall be amended to produce  such  Target  Final
Balances. Notwithstanding the other provisions of this Agreement, allocations of
net income,  gains,  and losses  shall be made  prospectively  as  necessary  to
produce  such  Target  Final  Balances  (and,  to the  extent  such  prospective
allocations  would  not  reach  such  result,  the  prior  tax  returns  of  the
Partnership  shall be amended to reallocate  Partnership net income,  gains, and
losses to produce such Target Final Balances).

      Section VII.8 DEPRECIATION  RECAPTURE. To the extent not inconsistent with
the  foregoing  provisions  of this  ARTICLE  VII,  any gain of the  Partnership
attributable to depreciation  recapture shall be allocated among the Partners in
proportion with the depreciation deductions previously allowable to the Partners
with respect to the assets generating such recapture.

      Section VII.9 CERTAIN DEBTS OF THE PARTNERSHIP. Omega Health Systems, Inc.
("OHSI") will loan to the  Partnership  certain  amounts for payments to OSCI in
satisfaction  of OSCI's  obligation to pay to Dr. Joseph Faust the 1997 earnings
of OSCI  prior to May 1,  1997 in the  estimated  amount  of  $15,830.00  and to
satisfy certain outstanding liabilities of OSCI noted on SCHEDULE 6.2B(3) HEREOF
in the amount of $263,030.98.  Accordingly, the Partnership shall execute a note
in the  amount of  $278,860.98  in favor of OHSI in the form and under the terms
set forth in Exhibit 7.9.1 attached hereto.  The principal and interest payments
on such note shall be paid by the  Partnership  as an  operating  expense of the
Partnership  and before any  allocation or  distribution  to the Partners of any
cash or other distributions from the Partnership pursuant to this Agreement. The
estimated amount set forth in this SECTION 7.9 representing OSCI's 1997 earnings
shall be adjusted on or before July 1, 1997, to reflect the actual 1997 earnings
amount as of April 30, 1997. The difference, if any, between the adjusted amount
determined  as of April 30, 1997 and the amount  referred to above and  provided
for in the  promissory  note  attached in Exhibit 7.9.1 shall be paid in cash to
the appropriate party on or before July 1, 1997. The OSCI 1997 earnings shall be
net after tax earnings of OSCI calculated in accordance with generally  accepted
accounting prinicples, consistently applied.


                                      -42-

<PAGE>

               ARTICLE VIII - OWNERSHIP OF PARTNERSHIP PROPERTY

      Section VIII.1 PARTNERSHIP PROPERTY.  Partnership Property shall be deemed
to be owned by the  Partnership as an entity,  and no Partner,  individually  or
collectively,  shall have any ownership interest in such Partnership Property or
any portion thereof. Title to any or all Partnership Property may be held in the
name of the Partnership or one or more nominees,  as the Partners may determine.
All Partnership Property shall be recorded as the property of the Partnership on
its books and  records,  irrespective  of the name in which  legal title to such
Partnership Property is held.

                ARTICLE IX - FISCAL MATTERS; BOOKS AND RECORDS

      Section IX.1 BANK ACCOUNTS; INVESTMENTS.  Capital Contributions,  revenues
and any other Partnership funds shall be deposited in a bank account established
by the Managing Partner in the name of the Partnership,  or shall be invested by
the Managing Partner in furtherance of the purposes of the Partnership. No other
funds shall be deposited  into  Partnership  bank  accounts or  commingled  with
Partnership investments.  Funds deposited in the Partnership's bank accounts may
be withdrawn only to be invested in furtherance of the Partnership  purposes, to
pay  Partnership  debts or  obligations  or to be  distributed  to the  Partners
pursuant to this Agreement.

      Section IX.2 RECORDS REQUIRED; RIGHT OF INSPECTION. During the term of the
Partnership and for a period of four (4) years thereafter,  the Managing Partner
shall  maintain  in the  Partnership's  principal  office in the  United  States
specified  in  SECTION  3.3 hereof all  records of the  Partnership,  including,
without limitation, a current list of the names, addresses and Interests held by
each of the Partners (including the dates on which each of the Partners became a
Partner),  copies of federal,  state and local information or income tax returns
for each of the  Partnership's  six (6) most  recent tax  years,  copies of this
Agreement,  including all amendments or  restatements,  and correct and complete
books and  records  of  account of the  Partnership.  On written  request to the
Managing  Partner  stating the purpose,  a Partner or an assignee of a Partner's
Interest  (an  "eligible  Person")  may  examine  and copy in  person  or by the
eligible  Person's  representative,  at any  reasonable  time,  for  any  proper
purpose, and at the eligible Person's expense, records required to be maintained
and such  other  information  regarding  the  business,  affairs  and  financial
condition of the  Partnership as is just and reasonable for the eligible  Person
to examine and copy. Upon written request by any eligible  Person,  the Managing
Partner shall provide to the eligible  Person  without charge true copies of (i)
this  Agreement  and all  amendments  or  restatements,  and (ii) any of the tax
returns of the Partnership described above.

      Section  IX.3 BOOKS AND RECORDS OF ACCOUNT.  The  Managing  Partner  shall
maintain adequate books and records of account for the Partnership that shall be
maintained  on the cash  method of  accounting  and on a basis  consistent  with
appropriate provisions of the Code,  containing,  among other entries, a Capital
Account for each Partner.

                                      -43-

<PAGE>

      Section  IX.4 TAX RETURNS AND  INFORMATION.  The  Partners  intend for the
Partnership  to be treated  as a  partnership  for tax  purposes.  The  Managing
Partner shall  prepare or cause to be prepared and filed all federal,  state and
local  income and other tax returns  that the  Partnership  is required to file.
Within the shorter of (i) such period as may be  required by  applicable  law or
regulation,  or (ii) seventy-five (75) days after the end of each calendar year,
the Managing  Partner  shall send or deliver to each Person who was a Partner at
any time during such year such tax information as shall be reasonably  necessary
for the  preparation  by such Person of his federal  income tax return and state
income and other tax returns.

      Section IX.5  DELIVERY OF  FINANCIAL  STATEMENTS  TO PARTNERS.  As to each
fiscal year of the  Partnership  and as to each month during such fiscal year of
the Partnership, the Managing Partner shall send to each Partner a copy of (i) a
balance sheet of the  Partnership  as of the end of such period,  (ii) an income
statement of the Partnership for such period,  and (iii) a statement showing the
revenues  distributed by the  Partnership to Partners in respect of such period.
Such financial  statements  shall be delivered by no later than ninety (90) days
following the end of the fiscal year to which the statements  apply and no later
than thirty  (30) days  following  the end of the month to which such  financial
statements  apply.  Unless a Partner requests in writing prior to the end of the
fiscal  year  to  which  the  financial  statements  apply  that  the  financial
statements shall be audited (in which case SECTION 9.6 below shall apply),  such
statements need not be audited.

      Section  IX.6  AUDITS AT REQUEST OF PARTNER.  Any  Partner  shall have the
right at all reasonable times during usual business hours to audit,  examine and
make copies of or extracts from any and all records of the  Partnership.  At any
time during the term of this  Agreement,  or within a reasonable  time after the
termination  of this  Agreement,  but no more often than  annually,  any Partner
shall  have the right to have KPMG  Peat  Marwick  LLP,  or  another  nationally
recognized accounting firm reasonably acceptable to the other Partner(s) conduct
an audit  during  normal  business  hours  upon  reasonable  notice to  Managing
Partner.  The cost and  related  expenses of such audit shall be paid for by the
Partner  requesting the audit,  provided,  however,  in the event any such audit
discloses  an  annual  underpayment  to the  Partners  exceeding  $25,000,  then
Managing  Partner  shall  promptly  pay such  underpayment  to the  Partners  in
accordance  with this Agreement and shall  reimburse the Partner  requesting the
audit  for the cost of such  audit.  Managing  Partner  shall  have the right to
review the  auditor's  preliminary  draft  report and to discuss  any  indicated
underpayment with such auditor.

      Section  IX.7  FISCAL  YEAR.  The  Partnership's  fiscal year shall end on
December 31 of each calendar year.

      Section IX.8 TAX ELECTIONS.  The Managing Partner shall make the following
elections on the appropriate tax returns of the Partnership:

            A.  to adopt the calendar year as the Partnership's fiscal year;

                                      -44-

<PAGE>

            B.  to  adopt  the  cash  method  of  accounting  and  to  keep  the
      Partnership's books and records on the income-tax method;

            C. if a distribution of Partnership property as described in Section
      734 of the Code  occurs or if a  transfer  of  Interest  as  described  in
      Section 743 of the Code  occurs,  on written  request of any  Partner,  to
      elect,  pursuant  to  Section  754 of the  Code,  to  adjust  the basis of
      Partnership properties subject to the agreement of the Partners;

            D.  to  elect  to  amortize  the  organizational   expenses  of  the
      Partnership  ratably  over a period of sixty (60) months as  permitted  by
      Section 709(b) of the Code; and

            E. any other election the Managing  Partner may deem appropriate and
      in the best interests of the Partners and/or the Partnership.

Neither the Partnership nor any Partner may make an election for the Partnership
to be excluded from the application of the provisions of subchapter K of chapter
1 of subtitle A of the Code or any similar provisions of applicable state law.

      Section IX.9 "TAX MATTERS PARTNER". The Managing Partner shall be the "tax
matters partner" of the Partnership pursuant to Section 6231 (a)(7) of the Code.
The  Managing  Partner  shall take such action as may be necessary to cause each
other Partner to become a "notice partner" within the meaning of Section 6223 of
the  Code.  The  Managing  Partner  shall  inform  each  other  Partner  of  all
significant  matters  that may come to its  attention  in its  capacity  as "tax
matters  partner" by giving notice  thereof on or before the fifth  Business Day
after becoming aware thereof and, within that time,  shall forward to each other
Partner copies of all significant written  communications it may receive in that
capacity.  The Managing Partner may not take any action contemplated by Sections
6222 through 6232 of the Code without the consent of the Partners.

                   ARTICLE X - MANAGEMENT OF THE PARTNERSHIP

      Section X.1  MANAGEMENT.  The  following  shall apply with  respect to the
management of the Partnership:

            A. PARTNERS.  The powers of the Partnership shall be exercised by or
      under the  authority  of, and the business and affairs of the  Partnership
      shall be managed under the direction of, the Managing Partner.  Any Person
      dealing  with  the  Partnership,  other  than a  Partner,  may rely on the
      authority of the Managing  Partner and its managers and officers in taking
      any  action  in the  name of the  Partnership  without  inquiry  into  the
      provisions  or compliance  herewith,  regardless of whether that action is
      actually taken in accordance with the provisions of this Agreement.

                                      -45-

<PAGE>

            B.  OFFICERS.  The  Managing  Partner  may  designate  one  or  more
      individuals as officers of the Partnership, who shall have such titles and
      exercise  and perform  such powers and duties as shall be assigned to them
      from time to time. Officers need not be Partners or residents of the State
      of  Indiana.  Any officer  may be removed by the  Managing  Partner at any
      time,  with or without cause.  Each officer shall hold office until his or
      her  successor  shall be duly  designated  and shall  qualify or until the
      earlier of the  officer's  death,  resignation  or removal.  Any number of
      offices  may  be  held  by  the  same   Person.   The  salaries  or  other
      compensation,  if any, of the officers and agents of the Partnership shall
      be fixed by the Managing  Partner  with the prior  consent of the Partners
      holding eighty percent (80%) of the Partnership Interests.

      Section  X.2 POWERS OF THE  MANAGING  PARTNER  GENERALLY.  Except with the
written  consent of Partners  holding  eighty  percent (80%) of the  Partnership
Interests,  the Managing Partner shall have no power to cause the Partnership to
do any act  outside the  purpose of the  Partnership  as set forth in ARTICLE IV
hereof.  Subject to the foregoing  limitation and all other  limitations in this
Agreement, the Managing Partner shall have full, complete and exclusive power to
manage and control the  Partnership,  and shall have the  authority  to take any
action it deems to be necessary,  convenient or advisable in connection with the
management of the Partnership (but solely for Partnership  purposes as set forth
in SECTION  4.1),  including,  but not  limited to, the power and  authority  on
behalf of the Partnership:

            A. to expend the  Partnership's  Capital  Contributions and revenues
      and to execute  and deliver all  checks,  drafts,  endorsements  and other
      orders for the payment of Partnership funds for individual expenditures or
      a series of  related  expenditures  not  exceeding  Ten  Thousand  Dollars
      ($10,000.00) each;

            B. to employ agents, employees, accountants, lawyers, clerical help,
      and such other  assistance  and  services as may seem  proper,  and to pay
      therefor such remuneration as is reasonable and appropriate;

            C. to purchase,  lease, rent, or otherwise acquire or obtain the use
      of office equipment, materials, supplies, and all other kinds and types of
      real or personal  property,  and to incur expenses for travel,  telephone,
      telegraph and for such other things,  services and  facilities,  as may be
      deemed necessary,  convenient or advisable for carrying on the business of
      the Partnership not exceeding Five Thousand Dollars ($5,000.00);

            D. to carry,  at the expense of the  Partnership,  insurance  of the
      kinds and in the amounts that is advisable or make other  arrangements for
      payment  of  losses or  liabilities  to  protect  the  Partnership  or the
      Partners,  officers,  agents and employees of the Partnership against loss
      or liability;

                                      -46-

<PAGE>

            E. to do all acts,  take part in any  proceedings,  and exercise all
      rights and privileges as could an absolute owner of Partnership  Property,
      subject to the  limitations  expressly  stated in this  Agreement  and the
      faithful  performance of the Managing Partner's  fiduciary  obligations to
      the Partnership and the Partners;

            F. to  borrow  money in the name of the  Partnership  and to  pledge
      Partnership Property as collateral therefor,  provided, that the aggregate
      outstanding  principal  amount  of loans  in the  name of the  Partnership
      (excluding  the loans provided for in SECTION 7.9 HEREOF) shall not at any
      time exceed One Hundred Thousand Dollars ($100,000.00) unless consented to
      by Partners  holding  eighty percent (80%) of the  Partnership  Interests;
      and,

            G. to take such  other  action  and  perform  such other acts as the
      Managing  Partner deems reasonably  necessary,  convenient or advisable in
      carrying out the business of the Partnership.

The  enumeration  of powers in this  Agreement  shall not limit the  general  or
implied powers of the Managing Partner or any additional powers provided by law.

      Section  10.3   LIMITATION   OF  THE  POWERS  OF  THE  MANAGING   PARTNER.
Notwithstanding   the  foregoing,   the  Managing  Partner  may  NOT  cause  the
Partnership to do any of the following  without the express  written  consent of
Partners holding eighty percent (80%) of the Partnership Interests:

            A. Purchase any real property for or on behalf of the Partnership;

            B.  Sell any real property owned by the Partnership;

            C.  Merge with or into  another  partnership,  corporation,  limited
      liability  company or other entity,  regardless of whether the Partnership
      is the surviving entity of such merger;

            D.  Reorganize the Partnership;

            E.  Take any action in contravention of this Agreement or the Act;

            F.  Make  an  assignment   for  the  benefit  of  creditors  of  the
      Partnership or file a voluntary petition under the federal Bankruptcy Code
      or any state insolvency law on behalf of the Partnership;

            G.  Confess any judgment against the Partnership;

            H. Dispose or otherwise  transfer any name,  trademark,  trade name,
      service  mark, or any other  intangible  asset used in the business of the
      Partnership;

                                      -47-

<PAGE>

            I. Borrow money in the name of the Partnership or pledge Partnership
      Property as  collateral  therefor if such  borrowing  causes the aggregate
      outstanding  principal  amount of all loans in the name of the Partnership
      (excluding  the loans  provided for in SECTION 7.9 hereof) at such time to
      exceed One Hundred Thousand Dollars ($100,000.00);

            J. Assign,  transfer,  pledge,  compromise or release any individual
      claim  of or debt  owing  to the  Partnership  that is in  excess  of Five
      Thousand Dollars ($5,000.00) except for payment in full;

            K.  Convey, sell or assign any Partnership property;

            L. Do any act that would make it  impossible  to carry on the normal
      and ordinary business of the Partnership; or

            M. Amend, modify, supplement or otherwise change any of the terms or
      conditions of the "Management Agreement" (defined in SECTION 17.1).

             ARTICLE XI - RIGHTS POWERS AND OBLIGATIONS OF PARTNERS

      Section XI.1 AUTHORITY.  Except as otherwise specifically provided in this
Agreement,  no Partner has the authority or power to act for or on behalf of the
Partnership,  to do any act that would be binding on the Partnership, or to file
a withdrawal notice with the Indiana Secretary of State or take any other action
or  execution  or file any other  document or  instrument  which would revoke or
otherwise  adversely  affect the status of the Partnership as an Indiana limited
liability partnership.

      Section  XI.2  RIGHT OF FIRST  REFUSAL.  In the  event  that  Omega or its
parent,  OHSI, in an isolated  transaction (not involving a change of control or
sale of  OHSI)  desire  (i) to sell  substantially  all of the  assets  of Omega
located in Marion and Fort  Wayne,  Indiana and any other  location  serviced by
Referral Eye Center,  P.C., (ii) to sell Omega's  interest in the Partnership to
an  unrelated  third  party,  or (iii) to merge  or  consolidate  Omega  into an
unrelated third party,  then such proposed  transaction  shall be in writing and
signed by the third party and Omega or OHSI.  Omega shall deliver to OSCI a copy
of such written proposal,  and OSCI shall have forty-five (45) days to determine
whether it wishes to enter into such  transaction with Omega or OHSI at the same
price and terms as offered to the third  party.  In the event that OSCI  accepts
such  purchase  proposal,  Omega or OHSI and OSCI shall  close such sale  within
thirty  (30) days of the  acceptance  by OSCI.  In the event  that OSCI does not
accept such purchase proposal,  then Omega or OHSI may proceed to consummate the
proposed sale to the third party on the price and terms as previously noticed to
OSCI.  In the event that Omega or OHSI desires to modify the price or terms in a
manner that is more favorable to the third party buyer, then Omega or OHSI shall
give to OSCI the notice required above.

      Section XI.3 TIME; OUTSIDE  ACTIVITIES.  Each Partner shall be required to
spend  such  time on  Partnership  matters  as is  reasonably  required  for the
purposes  of the  Partnership.  All  Partners  shall  be  free to  devote  their
remaining time and attention to any other business matters. Each of the Partners


                                      -48-

<PAGE>

hereto may engage in whatever other  activities such Partner  chooses,  provided
that such activities,  including the activities of an affiliate of such Partner,
are  not  directly  or  indirectly  in  competition  with  the  business  of the
Partnership  within forty (40) miles of the ambulatory  surgical center operated
by the  Partnership  which is, at the time of the  execution of this  Agreement,
located at 711  Gardner  Drive,  Marion,  Indiana.  Except as  provided  herein,
nothing shall be deemed to prevent such Partners from engaging in such permitted
activities, individually, jointly with others, or as a part of any other limited
or general partnership,  joint venture, or other entity to which such Partner is
or may become a party,  or from  dealing  with the  Partnership  as  independent
parties or through any other entity in which such Partner may be interested.

      Section  11.4  TERMINATION  BY OSCI IN EVENT OF DEFAULT  BY OMEGA.  In the
event of a default in that certain Management  Agreement between the Partnership
and Omega provided for in SECTION 17 hereof,  which default is not timely cured,
OSCI  shall  have the right to  terminate  the  Management  Agreement  or in its
discretion  to  act  in the  name  of  the  Partnership  for  purposes  of  such
termination or to otherwise act in the Partnership's  best interest with respect
to the Management Agreement.

                       ARTICLE XII - MEETINGS OF PARTNERS

      Section XII.1 PLACE OF MEETINGS. All meetings of Partners shall be held in
Marion,  Indiana,  during usual and customary  business  hours, or at such other
time or location as may be agreed to by the Partners.

      Section  XII.2 ANNUAL  MEETING.  Commencing  with the  calendar  year next
following  the calendar  year in which the  Partnership  was  organized,  annual
meetings of the Partners  shall be held on the first Tuesday in May each year at
such hour as may be  designated  in the notice of the meeting,  if such day is a
Business Day, and if not a Business Day, then on the next  following day that is
a Business Day. If the annual  meeting is not held on the date above  specified,
the Managing  Partner  shall cause a meeting in lieu to be shall be held as soon
thereafter as convenient,  and any business  transacted or election held at that
meeting shall be as valid as if held at the annual meeting.  Failure to hold the
annual  meeting  at the  designated  time  shall not work a  dissolution  of the
Partnership.

      Section XII.3 SPECIAL  MEETINGS.  Special  meetings of the Partners may be
called by  resolution  of the Partners  holding ten percent (10%) or more of the
Interests,  for the purpose of addressing any matter upon which the Partners may
vote under this  Agreement.  Partners  may call a meeting by  delivering  to the
other Partners one or more written  requests  signed by the requisite  number of
Partners,  stating  that  the  signing  Partners  wish  to  call a  meeting  and
indicating the specific  purpose for which the meeting is to be held.  Action at
the  meeting  shall be limited  to those  matters  specified  in the call of the
meeting.



                                      -49-

<PAGE>

      Section XII.4 NOTICE.  A Notification of all meetings,  stating the place,
day, and hour of the meeting and in the case of a special  meeting,  the purpose
or purposes for which the meeting is called,  shall be  delivered  not less than
ten (10) nor more than  sixty  (60) days  before  the  meeting  to each  Partner
entitled to vote.

      Section XII.5 WAIVER OF NOTICE. Attendance of a Partner at a meeting shall
constitute a waiver of  Notification  of the meeting,  except where such Partner
attends for the express  purpose of objecting to the transaction of any business
on the ground that the meeting is not lawfully called or convened.  Notification
of a meeting  may also be waived in  writing.  Attendance  at a meeting is not a
waiver of any right to object to the  consideration  of matters  required  to be
included  in the  Notification  of the  meeting  but  not  so  included,  if the
objection is expressly made at the meeting.

      Section XII.6 QUORUM.  A quorum at any meeting of the Partners shall exist
if there is  present  at such  meeting,  whether  present in person or by proxy,
Partners  representing  more than fifty  percent  (50%) of the total  percentage
Interests.

      Section  XII.7  VOTING.  Voting of the  Partners  with  respect  to issues
relative to the Partnership shall be as follows:

            A. VOTING AND VOTING POWER.  All Partners  shall be entitled to vote
      at  meetings.  Partners  may  vote  either  in  person  or by proxy at any
      meeting.  Each Partner's  percentage voting power at a meeting shall be in
      proportion to his percentage  Interest except as provided in Section 13.1,
      hereof.

            B.  VOTING ON  MATTERS.  With  respect  to any  matter for which the
      affirmative  vote of Partners owning a specified  portion of the Interests
      is  required by the Act or this  Agreement,  the  affirmative  vote of the
      Partners  owning such specified  portion at a meeting at which a quorum is
      present shall be the act of the Partners.

            C. CHANGE IN VOTING  PERCENTAGES.  No  provision  of this  Agreement
      requiring that any action be taken only upon approval of Partners  holding
      a specified  percentage of Interests may be modified,  amended or repealed
      unless  such  modification,  amendment  or repeal is  approved by Partners
      holding at least such percentage of Interests.

      Section XII.8 CONDUCT OF MEETINGS.  The Partners shall  designate a Person
to serve as chairman of any meeting and shall further designate a Person to take
minutes of any meeting.

      Section XII.9 ACTION BY WRITTEN CONSENT. Any action that may be taken at a
meeting of the Partners may be taken  without a meeting if a consent in writing,
setting  forth the action to be taken,  shall be signed by Partners  holding the
percentage  of  Interests  required to approve such action under the Act or this
Agreement.  Such  consent  shall have the same force and effect as a vote of the


                                      -50-

<PAGE>

signing Partners at a meeting duly called and held pursuant to this ARTICLE XII.
No prior  notice  from the  signing  Partners  to the  other  Partners  shall be
required  in  connection  with the use of a  written  consent  pursuant  to this
Section.  Notification of any action taken by means of a written consent of less
than all of the Partners shall, however, be sent, within a reasonable time after
the date of the consent, to all of the Partners who did not sign the consent.

      Section  XII.10  PROXIES.  A Partner may vote either in person or by proxy
executed in writing by the Partner. A facsimile,  telegram,  telex, cablegram or
similar transmission by the Partner, or a photographic,  photostatic,  facsimile
or similar reproduction of a writing executed by the Partner shall be treated as
an  execution in writing for  purposes of this  Section.  Proxies for use at any
meeting of  Partners or in  connection  with the taking of any action by written
consent shall be filed with the Managing  Partner,  before or at the time of the
meeting or  execution  of the written  consent,  as the case may be. All proxies
shall be  received  and taken  charge of and all ballots  shall be received  and
canvassed by the Managing  Partner who shall decide all questions  touching upon
the qualification of voters, the validity of the proxies,  and the acceptance or
rejection of votes,  unless an inspector or inspectors shall have been appointed
by the chairman of the  meeting,  in which event such  inspector  or  inspectors
shall  decide all such  questions.  No proxy  shall be valid  after  eleven (11)
months from the date of its execution unless otherwise  provided in the proxy. A
proxy shall be  revocable  unless the proxy form  conspicuously  states that the
proxy is irrevocable  and the proxy is coupled with an interest.  Should a proxy
designate two or more Persons to act as proxies,  unless such  instrument  shall
provide to the  contrary,  a majority of such Persons  present at any meeting at
which their powers  thereunder  are to be exercised  shall have and may exercise
all the powers of voting or giving consents thereby conferred, or if only one be
present,  then such powers may be  exercised  by that one; or, if an even number
attend and a majority  do not agree on any  particular  issue,  the  Partnership
shall not be required to recognize such proxy with respect to such issue if such
proxy does not specify how the Interests  that are the subject of such proxy are
to be voted with respect to such issue.

      Section XII.11  INFORMATION.  In addition to the other rights specifically
set  forth in this  Agreement,  each  Partner  is  entitled  to all  information
relating to the business of the Partnership.


                ARTICLE XIII - GOVERNING BOARD AND CHIEF OF STAFF

      Section 13.1 PURPOSE AND  SELECTION.  In  accordance  with the  regulatory
requirements of the State of Indiana, the Partners shall nominate a three-member
Governing  Board which  shall have  patient  care  oversight  of the  ambulatory
surgical  center.  Omega shall  nominate two members of the Governing  Board and
OSCI shall nominate one member of the Governing Board.

                                      -51-

<PAGE>

      Section 13.2 DUTIES OF THE GOVERNING BOARD.  The Governing Board shall:

            A. Meet at least  four  times a year and  function  as an  organized
board in  accordance  with the terms of this  Agreement  and  maintain a written
record of its proceedings.

            B. Adopt and maintain a listing of procedures  that may be performed
by the Center.

            C. Approve the Bylaws, Rules and Regulations of the medical staff.

            D.  Appoint  members  of the  medical  staff and  assign  privileges
consistent  with  their  individual  qualifications  on  an  annual  basis  upon
recommendation of the medical staff.

            E. Maintain a written transfer  agreement with one or more hospitals
in  proximity  to  the  ASC   immediate   acceptance  of  patients  who  develop
complications or require postoperative confinement.

            F.  Provide for the  periodic  review of the ASC its  operation by a
utilization  review or other  committee  composed of three or more duly licensed
physicians having no financial interest in the facility.

            G.  Maintain liaison with the medical staff of the ASC.

            H.  Assure  that in the event the ASC is not  established  under the
aegis of  physicians,  a physician  holding an unlimited  license to practice in
Indiana  shall be  appointed  Chief  of  Staff  and  shall  be  responsible  for
monitoring of procedures and care provided in the ASC.

            I. Provide a physical plant that meets  statutory  requirements  and
provisions of applicable  regulations of the Indiana State Department of Health.
In addition to patient service areas,  space and equipment shall be provided for
administrative  and business  offices,  private admitting area, public lobby and
toilets,  medical  records  storage  area,  personnel  facilities,  and  storage
facilities for patients' clothing and valuables.

      Section  13.3 CHIEF OF STAFF.  A Chief of Staff  shall be  selected by the
Governing  Board  who  shall  be  responsible  to the  Governing  Board  and the
Partnership  for  monitoring  the medical  procedures  and care  provided by the
ambulatory  surgical  center.  The initial Chief of Staff shall be Joseph Faust,
M.D.

                    ARTICLE XIV - DISSOLUTION AND WINDING UP

      Section XIV.1  EVENTS  CAUSING  DISSOLUTION.  The  Partnership  shall be
dissolved upon the first of the following events to occur:

                                      -52-

<PAGE>

            A.  the  expiration  of the  term of the  Partnership  set  forth in
      SECTION 2.3 of this Agreement;

            B. the written  consent of all  Partners at any time to dissolve and
      wind up the affairs of the Partnership;

            C. the  Bankruptcy or  dissolution of a Partner or the occurrence of
      any other event that  terminates the continued  membership of a Partner in
      the Partnership,  unless (i) there are at least two remaining Partners and
      the  business  of the  Partnership  is  continued  by the  consent  of all
      remaining  Partners,  or (ii) within ninety (90) days of the occurrence of
      such  event,  all  remaining  Partners  agree in writing to  continue  the
      business of the Partnership; or

            D. the occurrence of any other event that causes the  dissolution of
      a partnership under the Act.

      Section  XIV.2  WINDING UP. If the  Partnership  is dissolved  pursuant to
SECTION 13.1, the Partnership's  affairs shall be wound up as soon as reasonably
practicable in the manner set forth below.

            A.  APPOINTMENT OF LIQUIDATOR.  The winding up of the  Partnership's
      affairs  shall be  supervised by a  Liquidator.  The  Liquidator  shall be
      selected by the  Partners  or, if the Partners  prefer,  a  liquidator  or
      liquidating committee selected by the Partners.

            B.  POWERS  OF  LIQUIDATOR.   In  winding  up  the  affairs  of  the
      Partnership,   the   Liquidator   shall  have  full  right  and  unlimited
      discretion, for and on behalf of the Partnership:

                  1. to prosecute and defend civil,  criminal or  administrative
            suits;

                  2. to collect Partnership assets,  including  obligations owed
            to the Partnership;

                  3.  to settle and close the Partnership's business;

                  4. to dispose of and convey all Partnership Property for cash,
            and in connection  therewith to determine the time, manner and terms
            of any sale or sales of Partnership Property,  having due regard for
            the  activity  and  condition  of the  relevant  market and  general
            financial and economic conditions;

                  5. to pay all  reasonable  selling  costs and  other  expenses
            incurred in  connection  with the winding up out of the  proceeds of
            the disposition of Partnership Property;



                                      -53-

<PAGE>

                  6. to discharge the  Partnership's  known  liabilities and, if
            necessary,  to set up,  for a period  not to  exceed  five (5) years
            after the date of dissolution,  such cash reserves as the Liquidator
            may deem  reasonably  necessary  for any  contingent  or  unforeseen
            liabilities or obligations of the Partnership;

                  7. to  distribute  any  remaining  proceeds  from  the sale of
            Partnership Property to the Partners;

                  8. to prepare, execute, acknowledge and file any certificates,
            tax  returns  or  instruments   necessary  or  advisable  under  any
            applicable  law to effect  the  winding  up and  termination  of the
            Partnership; and

                  9. to exercise,  without further  authorization  or consent of
            any  of  the  parties  hereto  or  their  legal  representatives  or
            successors in interest,  all of the powers  conferred upon a Partner
            under  the  terms  of this  Agreement  to the  extent  necessary  or
            desirable in the good faith  judgment of the  Liquidator  to perform
            its duties and functions.  The  Liquidator  shall not be liable as a
            partner to the Partners and shall,  while acting in such capacity on
            behalf of the Partnership, be entitled to the indemnification rights
            set forth in the Act and in ARTICLE XV hereof

      Section XIV.3  COMPENSATION  OF LIQUIDATOR.  The  Liquidator  appointed as
provided  herein shall be entitled to receive such reasonable  compensation  for
its services as shall be agreed upon by the Liquidator and the Partners.

      Section XIV.4  DISTRIBUTION  OF PARTNERSHIP  PROPERTY AND PROCEEDS OF SALE
THEREOF. The distribution of Partnership Property and the proceeds from the sale
thereof shall be in accordance with the following:

            A. ORDER OF  DISTRIBUTION.  Upon  completion of all desired sales of
      Partnership Property, and after payment of all selling costs and expenses,
      the  Liquidator  shall  distribute  the  proceeds of such  sales,  and any
      Partnership  Property that is to be  distributed in kind, to the following
      groups in the following order of priority:

                  1. to the extent  permitted  by law,  to  satisfy  Partnership
            liabilities  to  creditors,  including  Partners  who are  creditors
            (other  than for past due  Partnership  distributions),  whether  by
            payment or establishment of reserves;

                  2. to satisfy Partnership  obligations to Partners to pay past
            due Partnership distributions;

                                      -54-

<PAGE>

                  3.  to  the  Partners  in  accordance  with  their  respective
            Interests.

            B. INSUFFICIENT  ASSETS. The claims of each priority group specified
      above shall be satisfied in full before  satisfying  any claims of a lower
      priority group. If the assets  available for disposition are  insufficient
      to dispose of all of the claims of a priority group,  the available assets
      shall be distributed in proportion to the amounts owed to each creditor or
      the respective  Capital  Account  balances or Interests of each Partner in
      such group.

      Section  XIV.5  FINAL  AUDIT.  Within  a  reasonable  time  following  the
completion  of the  liquidation,  the  Liquidator  shall  supply  to each of the
Partners a statement which shall set forth the assets and the liabilities of the
Partnership as of the date of complete  liquidation  and each Partner's pro rata
portion of distributions pursuant to SECTION 14.4.

      Section XIV.6 DEFICIT CAPITAL  ACCOUNTS.  Notwithstanding  anything to the
contrary contained in this Agreement, to the extent that the deficit, if any, in
the Capital Account of any Partner results from or is attributable to deductions
and losses of the Partnership  (including  non-cash items such as depreciation),
or distributions of money pursuant to this Agreement,  such deficit shall not be
an  asset of the  Partnership  and  such  Partners  shall  not be  obligated  to
contribute such amount to the Partnership to bring the balance of such Partner's
Capital Account to zero.

              ARTICLE XV - LIABILITY, INDEMNIFICATION AND INSURANCE

      Section  XV.1  LIABILITY  OF  PARTNERS.  No Partner  nor any  shareholder,
director,  officer, agent, affiliate or employee of any Partner shall be liable,
responsible  or  accountable  in damages or otherwise to the  Partnership or any
other  Partner  for  any  action  taken  or  failure  to  act on  behalf  of the
Partnership within the scope of the authority  conferred on such Partner by this
Agreement  or by law unless such act or omission  constituted  willful or wanton
misconduct  or  was  performed  or  omitted  fraudulently  or in  bad  faith  or
constituted gross negligence. No Partner nor any shareholder, director, officer,
agent,  affiliate or employee of any Partner shall be personally  liable for the
return or repayment of all or any portion of the capital or profits of any other
Partner (or transferee thereof),  it being expressly agreed that any such return
of capital or profits made pursuant to this Agreement  shall be made solely from
the assets of the Partnership.  Nothing herein shall be interpreted to (i) limit
the  liability  of any Partner with  respect to debts and  obligations  to third
parties under the Act,  (ii) limit the  obligation of any Partner to transfer to
the Partnership the full amount of such Partner's  Initial Capital  Contribution
and subsequent  capital  contributions,  if any, or (iii) limit the liability of
any  Partner  with  respect  to  the  fiduciary  duty  of  such  Partner  to the
Partnership or to the other Partners.

      Section  XV.2   REIMBURSEMENT  AND   INDEMNIFICATION   OF  PARTNERS.   The
Partnership  shall  promptly  reimburse and indemnify each Partner in respect of
reasonable  payments made and personal  liabilities  reasonably incurred by such
Partner  for  services  performed  for  the  benefit  of or  on  behalf  of  the

                                      -55-

<PAGE>


Partnership business,  or for the preservation of the Partnership's  business or
property.  Without limiting the generality of the foregoing,  in any threatened,
pending,  or contemplated  action,  suit or proceeding to which a Partner and/or
any officer, director, shareholder, agent, affiliate or employee of such Partner
(collectively, the "Indemnified Parties"), was or is a party or is threatened to
be made a party by reason or because  of the fact that such  Partner is or was a
Partner  in the  Partnership  (including  any  action  by or in the right of the
Partnership),  the Partnership  shall indemnify the Indemnified  Parties against
expenses,  including  attorneys' fees,  judgments and amounts paid in settlement
incurred by the  Indemnified  Parties in  connection  with such action,  suit or
proceeding if the Indemnified Parties acted in accordance with the standards set
forth in the Act. The termination of any action, suit or proceeding by judgment,
order  or  settlement  shall  not,  of  itself,  create a  presumption  that the
Indemnified  Parties  did not act in  accordance  with such  standards.  Nothing
herein shall be  interpreted  to indemnify or limit the liability of any Partner
with respect to debts or obligations of the Partnership. Nothing herein shall be
considered to guarantee  that the  Partnership or any of the Partners shall gain
or derive  any  profit  or  benefit  from the  operations  of the  Partnership's
business or that such operations shall result in any particular outcome.

      Section XV.3 LIMIT ON LIABILITY OF PARTNERS. The indemnification set forth
in this  ARTICLE XV shall in no event cause the  Partners to incur any  personal
liability beyond their total Capital Contributions.

      Section XV.4  INSURANCE.  To the extent not prohibited by applicable  law,
the Partnership may purchase and maintain  insurance or another  arrangements on
behalf of any Person who is or was an  Indemnified  Party  against any liability
asserted against him or incurred by him in such a capacity or arising out of his
status as an Indemnified Party.

      Section  XV.5  Nothing  contained  in this  Article XV shall  apply to the
conduct of the Managing Partner pursuant to the Management Agreement between the
Managing  Partner and the Partnership (as defined in Section 17.1),  and nothing
contained in this  Article XV shall alter or affect in any way the  obligations,
rights and liabilities of the Managing  Partner or the  Partnership  provided in
the Management Agreement.

                   ARTICLE XVI - RESTRICTIONS ON TRANSFER OF
                   INTEREST; AND PURCHASE OF OSCI  INTEREST

      Section XVI.1 ARTICLE XVI DEFINITIONS. Solely for purposes of this ARTICLE
XVI, the following terms shall have the meanings indicated:

            A.  "Annual  Net  Earnings"  means  (i) the  gross  receipts  of the
      Partnership  received  in the  ordinary  course  of  business  during  the
      calendar  year in question (the "Annual  Period"),  computed in accordance
      with  generally  accepted  accounting  principles  using a cash  method of
      accounting,  minus (ii) the operating  expenses of the Partnership paid in
      the  ordinary  course of business  during the Annual  Period,  computed in
      accordance with generally  accepted  accounting  principles,  consistently


                                      -56-

<PAGE>

      applied, using a cash method of accounting,  including all amounts paid to
      Omega with  respect  to the  Annual  Period  pursuant  to the  "Management
      Agreement" (as defined in SECTION 17.1 hereof).

            B.  "Buyout  Amount"  means an amount  equal to five and fifteen one
      hundredths (5.15) times the average Annual Net Earnings of the Partnership
      Interest being sold based upon the  Partnership's  Annual Net Earnings for
      each of the two (2)  calendar  years  immediately  preceding  the "Trigger
      Date" (hereinafter defined).

            C.  "Disability"  means,  as applied to Dr.  Faust,  the physical or
      mental  inability  of Dr.  Faust to  perform,  for a period of ninety (90)
      consecutive  days, the material duties of such person's  occupation or any
      covenant  or duty of Dr.  Faust  required  by  that  certain  Professional
      Employment  Agreement of even date between  Referral Eye Center,  P.C. and
      Joseph Faust, M.D.

            D.  "Dr. Faust" means Joseph Faust, M.D.

            E. "Employment Agreement" means that certain Professional Employment
      Agreement by and between Referral Eye Center,  P.C. and Dr. Faust dated as
      of May 1, 1997.

            F.  "Trigger  Date"  means the date that the first of the  following
      events occur: (a) the death of Dr. Faust, (b) the Disability of Dr. Faust,
      (c) the  retirement of Dr. Faust or (d) the  termination  of employment of
      Dr. Faust pursuant to Section 14 of the Employment Agreement.

      Section XVI.2 RESTRICTIONS ON OSCI INTEREST PRIOR TO APRIL 30, 2002. Prior
to April 30, 2002, OSCI shall not sell,  encumber,  or transfer all, or any part
of, its Interest in the  Partnership,  except (i) with the consent of all of the
Partners, or (ii) upon the occurrence of an event specified in SECTION 16.3.

      Section XVI.3  MANDATORY SALE AND PURCHASE FROM EVENT INVOLVING DR. FAUST.
Upon the  occurrence  of any one of the following  events:  (i) the death of Dr.
Faust;  (ii) the Disability of Dr. Faust;  or (iii) the retirement of Dr. Faust,
or (iv) the termination of employment of Dr. Faust pursuant to Section 14 of the
Employment  Agreement,  OSCI is obligated to sell, and Omega is obligated to buy
OSCI's  Interest.  Upon the  expiration of sixty (60) days following the Trigger
Date,  Omega  shall  purchase  from OSCI,  and OSCI shall sell to Omega,  at the
Buyout  Amount,  the Interest  that OSCI is required to sell,  and that Omega is
required to buy, under the provisions of this SECTION 16.3.  Notwithstanding the
foregoing,  in the event that Dr.  Faust has given notice of his  retirement  as
provided  in the  Employment  Agreement  and is able to sell  his  stock in said
corporation to an ophthalmologist or ophthalmologists  reasonably  acceptable to
Omega within the time period prescribed in the Management  Agreement,  then OSCI
may sell its Interest to such ophthalmologist or ophthalmologists on the closing
date of the sale of Dr. Faust's stock;  however,  if Dr. Faust is unable to sell
his stock in said corporation within such time period, then Omega shall purchase
OSCI's Interest as provided above.

                                      -57-

<PAGE>

      Upon the termination of that certain Management Agreement between Referral
Eye Center, P.C. and Omega dated May 1, 1997, by Referral Eye Center, P.C. prior
to May 1,  2002,  pursuant  to  Sections  6.1 or 6.2  thereof,  Omega  shall  be
obligated to sell and OSCI shall be obligated to purchase  Omega's Interest upon
the  expiration of sixty (60) days after such  termination at the Buyout Amount.
Upon the termination of that certain  Management  Agreement between Referral Eye
Center, P.C. and Omega dated May 1, 1997, by Referral Eye Center, P.C. after May
1, 2002, pursuant to Section 6.1 or 6.2 thereof, OSCI shall have the option, but
not the obligation,  to purchase  Omega's  Interest upon the expiration of sixty
(60) days after such termination at the Buyout Amount.

      Section  XVI.4  PAYMENT OF THE BUYOUT  AMOUNT.  The Buyout Amount shall be
paid by Omega to OSCI by  delivery  to OSCI (i) an amount of cash equal to fifty
percent (50%) of the Buyout  Amount,  and (ii) an amount equal to the difference
between  the  Buyout  Amount  minus the amount of cash paid to OSCI under (i) of
this  SECTION  16.4 which  shall,  at the option of Omega,  be paid in cash,  in
unregistered  common stock (the "Stock") of Omega Health Systems,  Inc., or in a
combination  of both.  For  purposes of this  SECTION  16.4,  the Stock shall be
valued at the average of the closing  price of the common  stock of OHSI for the
twenty (20)  trading days prior to the date that the  certificates  representing
the Stock are required to be delivered to OSCI.

                       ARTICLE XVII - MANAGEMENT AGREEMENT

      Section  XVII.1  Concurrently  with the execution of this Agreement by the
Partners, the Partnership has entered into a Management Agreement with Omega, in
the form attached hereto as EXHIBIT 17 (the "Management Agreement"). Anything in
this  Agreement  to the  contrary  notwithstanding,  after the  Partnership  has
entered into the  Management  Agreement,  none of the terms or conditions of the
Management  Agreement  shall be amended,  modified,  supplemented  or  otherwise
changed  except with the prior written  consent of the Partners  holding  eighty
percent (80%) of the Partnership Interests.

      Section  XVII.2 In the event a majority of the  non-managing  partners has
determined  that  the  Manager  is in  default  under  the  provisions  of  such
Management  Agreement,  this  majority of the  non-managing  partners may notify
Omega of its  determination  and  Omega  may  exercise  its  rights to cure such
default or be subject to the default provisions of the Management Agreement,  or
dispute the  occurrence of a default.  In the event of a dispute the majority of
non-managing  partners may submit the dispute to mediation  and  arbitration  in
accordance with the provisions of Article 18 of this  Agreement.  In such event,
if  the  determination  of  the  arbitrators  is  that a  default  has  occurred
triggering the termination provisions of the Management Agreement,  the Partners
shall  agree to sell the  Partnership  assets or if they  cannot  agree upon the
terms of a sale, the Partners shall dissolve the  Partnership in accordance with
the provisions of Article XIV of this Agreement.



                                      -58-

<PAGE>

                    ARTICLE XVIII - ARBITRATION AND MEDIATION

      Section  XVIII.1 In the event a dispute  arises out of or relating to this
Agreement,  or the breach thereof, and if said dispute cannot be settled through
negotiation, the parties agree to attempt in good faith to settle the dispute by
mediation  under the  Commercial  Mediation  Rules of the  American  Arbitration
Association.   This  mediation  will  be  non-binding,   but  the  parties  must
participate  in  good  faith  in  non-binding  mediation,  before  resorting  to
arbitration, litigation, or some other dispute resolution procedure.

      Section  XVIII.2  Except  as noted  hereafter,  any  controversy  or claim
arising out of or relating to this Agreement, or its breach, shall be settled by
binding  arbitration in accordance with the Commercial  Arbitration Rules of the
American  Arbitration  Association.  Judgment  upon the  award  rendered  by the
arbitrator may be entered in any court having jurisdiction.

      As soon as reasonably  practical after  submission of a demand for binding
arbitration,  Omega and OSCI  shall  select  one  arbitrator,  agreeable  to all
parties.  The  arbitrator  will be selected from lists  prepared by the American
Arbitration  Association.  From the American  Arbitration  Association  list the
parties will submit to the  American  Arbitration  Association  a ranked list of
arbitrators which are acceptable.  The highest ranking acceptable candidate will
be selected by the American Arbitration  Association are acceptable by either of
the parties,  the American  Arbitration  Association will compile a second list.
This  procedure  will be followed until the parties have selected an arbitrator.
The results of the arbitrator's finding will be binding on the parties.

                    ARTICLE XIXI- MISCELLANEOUS PROVISIONS

      Section  XIX.1  Entire  Agreement.  This  Agreement  contains  the  entire
agreement among the Partners relating to the subject matter hereof and all prior
agreements relative hereto which are not contained herein are terminated.

      Section  XIX.2 LAW  GOVERNING.  This  Agreement  shall be  governed by and
construed in accordance  with the local,  internal laws of the State of Indiana.
In particular, this Agreement is intended to comply with the requirements of the
Act. In the event of a direct conflict  between the provisions of this Agreement
and the mandatory  provisions of the Act, the Act will control. The venue of any
mediation, arbitration or litigation hereunder shall be Marion County, Indiana.

      Section XIX.3 CONFERENCE TELEPHONE MEETINGS.  Meetings of the Partners may
be held by means of conference telephone or similar communications  equipment so
long  as  all  Persons  participating  in  the  meeting  can  hear  each  other.
Participation  in a meeting by means of conference  telephone  shall  constitute
presence in person at such meeting,  except where a Person  participates  in the
meeting for the express  purpose of objecting to the transaction of any business
thereat on the ground that the meeting is not lawfully called or convened.

                                      -59-

<PAGE>

      Section XIX.4 SUCCESSORS AND ASSIGNS. This Agreement shall be binding upon
and shall inure to the benefit of the Partners and their respective heirs, legal
representatives, successors and assigns.

      Section XIX.5 SEVERABILITY.  This Agreement is intended to be performed in
accordance  with,  and only to the extent  permitted  by, all  applicable  laws,
ordinances,  rules and  regulations.  If any provision of this  Agreement or the
application  thereof to any Person or circumstance  shall, for any reason and to
any extent,  be invalid or  unenforceable,  but the extent of such invalidity or
unenforceability does not destroy the basis of the bargain among the Partners as
expressed  herein,  the remainder of this Agreement and the  application of such
provision to other Persons or circumstances  shall not be affected thereby,  but
rather shall be enforced to the greatest extent permitted by law.

      Section  XIX.6  AMENDMENT.  Except  as  expressly  provided  herein,  this
Agreement may be amended only by a written  amendment  hereto executed by all of
the Partners.

      Section  XIX.7  HEADINGS.  The Article,  Section and  Subsection  headings
appearing in this  Agreement are for  convenience  of reference only and are not
intended,  to any extent or for any purpose,  to limit or define the text of any
Article, Section or Subsection.

      Section XIX.8  CONSTRUCTION.  Whenever required by the context, as used in
this Agreement,  the singular  number shall include the plural,  and vice versa,
and the gender of all words used shall include the  masculine,  feminine and the
neuter.  Unless  expressly stated herein,  all references to Articles,  Sections
and/or  Subsections  refer to  Articles,  Sections  and/or  Subsections  of this
Agreement,  and all  references  to Schedules  and/or  Exhibits are to Schedules
and/or  Exhibits  attached  hereto,  each of which is made a part hereof for all
purposes.

      Section XIX.9 OFFSET.  Whenever the  Partnership  is to pay any sum to any
Partner, any amounts that Partner owes the Partnership may be deducted from that
sum before payment.

      Section XIX.10 EFFECT OF WAIVER OR CONSENT.  A waiver or consent,  express
or implied,  to or of any breach or default by any Person in the  performance by
that Person of its obligations  with respect to the Partnership is not a consent
or waiver to or of any other breach or default in the performance by that Person
of the  same  or any  other  obligations  of that  Person  with  respect  to the
Partnership.  Failure  on the part of a  Person  to  complain  of any act of any
Person or to  declare  any Person in default  with  respect to the  Partnership,
irrespective of how long that failure continues, does not constitute a waiver by
that  Person of its rights with  respect to that  default  until the  applicable
statute-of-limitations period has run.

                                      -60-

<PAGE>

      Section XIX.11 FURTHER  ASSURANCES.  In connection with this Agreement and
the transactions contemplated hereby, each Partner shall execute and deliver any
additional documents and instruments and perform any additional acts that may be
necessary  or  appropriate  to  effectuate  and perform the  provisions  of this
Agreement and those transactions.

      Section XIX.12 INVESTMENT REPRESENTATIONS;  RESTRICTIONS ON Transfer. Each
Partner,  by such Partner's  execution of this Agreement,  represents and agrees
that such Partner is purchasing  such Partner's  Interest in the Partnership for
investment  purposes only, and without a view toward the  distribution or resale
thereof.  Pursuant to SECTION  11.2 and ARTICLE  XVI  hereof,  Interests  in the
Partnership shall be  nontransferable  except in accordance  therewith;  and, no
assignee of a Partnership  Interest in the Partnership shall become a substitute
Partner  without the  consent of the  transferor  and  Partners  holding  eighty
percent (80%) of the Partnership Interests.

      Section XIX.13 COUNTERPARTS. This Agreement may be executed in one or more
counterparts,  each of  which  shall  be an  original,  but all of  which  taken
together shall  constitute a single  document.  This Agreement  shall be binding
upon each Partner upon  execution,  regardless  of whether any other Partner has
executed  the same or a different  counterpart.  A  photocopy  or telecopy of an
executed  counterpart  of  this  Agreement  shall  be  sufficient  to  bind  the
Partner(s) whose signature(s) appear thereon.

      IN WITNESS  WHEREOF,  the  Partners  have  executed  this  Agreement to be
effective as of the date first above written.


THE OUTPATIENT SURGERY CENTER OF                OMEGA HEALTH SYSTEMS OF INDIANA,
INDIANA, INC.,  an Indiana Corporation          INC., an Indiana Corporation


By:  /s/ Joseph F. Faust                        By: /s/ Ronald   L. Edmonds 
   --------------------------------------          -----------------------------
   Joseph F. Faust, M.D., President                  Ronald   L. Edmonds,
                                                     Executive Vice-President
















                                      -61-



                                                                     EXHIBIT 2.5
                                                                     -----------

                                MERGER AGREEMENT
                                ----------------


      THIS MERGER  AGREEMENT  ("Agreement")  is made and entered into as of this
30th day of April,  1997 by and  between  LEONARD  OSIAS,  O.D.,  a citizen  and
resident of the State of California ("Dr. Osias"),  and IRENE OSIAS, wife of Dr.
Osias and a citizen and resident of the State of California, both as Trustees of
the OSIAS  FAMILY  TRUST  DATED  AUGUST  18,  1988 (the  "Trust")  (collectively
referred to herein as  "Stockholder"),  PRIMARY  EYECARE  NETWORK,  a California
corporation  ("PEN");  P.E.N.  RESOURCES,  INC. ("PEN Resources")  (collectively
referred to herein as "Corporations,"  and individually as  "Corporation");OMEGA
HEALTH SYSTEMS,  INC., a Delaware  corporation  ("OHSI"),  and OMEGA ACQUISITION
SUBSIDIARY, INC., a California corporation ("Omega").

                                   WITNESSETH

      WHEREAS,  Stockholder  is the sole  shareholder  in PEN and PEN Resources,
which  Corporations are dedicated to the support of optometry through education,
training, publication and vendor programs; and

      WHEREAS,  Stockholder  has agreed to merge each of the  Corporations  into
Omega (sometimes referred to hereinafter as the "Surviving  Corporation"),  with
Stockholder  receiving OHSI common stock and cash in exchange for  Stockholder's
stock in the Corporations; and

      WHEREAS,  the  parties  desire  to set  forth in  writing  the  terms  and
conditions under which said transaction will be consummated.

      NOW,  THEREFORE,  in  consideration of the mutual covenants and agreements
set forth  herein,  and other good and valuable  consideration,  the receipt and
sufficiency  of which is hereby  acknowledged  by the  parties,  it is agreed as
follows:

SECTION 1.  MERGER TRANSACTION.
- -------------------------------

      1.1 BASIC  TRANSACTION.  (a) Subject to the terms and  conditions  of this
Agreement,  at the  Effective  Time (as  defined  in  SECTION  1.1.(B)(I)),  the
Corporations  will be  merged  with  and  into  Omega in  accordance  with  this
Agreement,  and the separate existence of the Corporations shall thereupon cease
(the  "Merger").  Omega shall be the Surviving  Corporation  in the Merger.  The
Merger  shall  have  the  effects  specified  in  SECTION  1100 ET  SEQ.  of the
California  Corporations  Code (the  "Code").  By execution and delivery of this
Agreement,  Stockholder  hereby  approves the Merger on the terms and subject to
the conditions set forth herein,  which approval shall be effective as an action
without a meeting pursuant to the Corporations' bylaws and the Code.



                                      -62-

<PAGE>



      (b)   EFFECT OF MERGER.

            (i)  GENERAL.  If all the  conditions  to the  Merger  set  forth in
      SECTION 5 shall have been  fulfilled or waived in accordance  herewith and
      this  Agreement  shall not have been  terminated as provided in SECTION 8,
      the  parties  hereto  shall  cause an  Agreement  of  Merger  meeting  the
      requirements  of the Code and  substantially  in the  form of  Schedule  I
      attached  hereto (the  "Articles  of  Merger")  to be  properly  executed,
      verified  and  delivered  for  filing in  accordance  with the Code on the
      Closing Date set forth in SECTION  1.2. The Merger shall become  effective
      upon the later of  acceptance  for filing of the Articles by the Secretary
      of State of the  State of  California  or at such  later  time  which  the
      parties  hereto shall have agreed upon and  designated  in the Articles of
      Merger in accordance  with  applicable law as in effect at the time of the
      Merger (the "Effective Time"). The Surviving  Corporation may, at any time
      after  the  Effective  Time,  take any  action  (including  executing  and
      delivering  any document or instrument) in the name and on behalf of Omega
      or the  Corporations  in order to carry out and effectuate the transaction
      contemplated by this Agreement.

            (ii) ARTICLES OF  INCORPORATION.  The Articles of  Incorporation  of
      Omega in effect at and as of the  Effective  Time will remain the Articles
      of Incorporation of the Surviving  Corporation without any modification or
      amendment in the Merger, except that the name of Omega shall be changed to
      "Primary Eyecare Network, Inc.".

            (iii)  BYLAWS.  The  Bylaws  of  Omega  in  effect  at and as of the
      Effective Time will remain the Bylaws of the Surviving Corporation without
      any modification or amendment in the Merger.

            (iv) DIRECTORS AND OFFICERS.  The directors and officers of Omega in
      office at and as of the  Effective  Time will  remain  the  directors  and
      officers  of  the  Surviving   Corporation   (retaining  their  respective
      positions and terms of office).

            (v)  OMEGA   SHARES.   Each   share  of  common   stock  of  Omega
      Acquisition Subsidiary,  Inc. (the "Omega Stock") issued and outstanding
      at and as of the Effective Time will remain issued and outstanding.

      1.2 CLOSING  DATE.  The closing of the Merger (the  "Closing")  shall take
place at the Corporation's principal office in San Ramon,  California,  at 10:00
a.m.  local  time on April 30,  1997 or at such  time and  place as the  parties
hereto may agree in writing (the  "Closing  Date").  The parties  agree that the
Closing  Date shall be extended,  if required,  to allow either party to fulfill
any  condition  of this  Agreement,  but in no event shall the  Closing  Date be
extended beyond May 10, 1997, unless agreed in writing by Stockholder and Omega.

                                      -63-

<PAGE>

      1.3  TRANSFER  OF THE  SHARES.  Effective  as of the  Closing  Date,  each
Stockholder shall transfer,  assign,  grant,  deliver and convey to Omega all of
Stockholder's   right,   title  and  interest  in  and  to  the  shares  of  the
Corporations,  free and clear of any lien, pledge, charge,  security interest or
encumbrance of any nature  ("Lien") by delivery by each  Stockholder to Omega of
the stock certificates representing the shares of the Corporations duly endorsed
in blank for transfer or accompanied  by appropriate  stock powers duly executed
in blank,  with all  transfer  taxes,  direct or indirect,  attributable  to the
transfer of the shares of the Corporations  paid or provided for. As a result of
the Merger the outstanding shares of the Corporations shall be cancelled and the
Stockholder  shall have the right to receive the  consideration  provided for in
Section 2.1 hereof.

      1.4 EVIDENCE OF TRANSFER. At the Closing and thereafter, as Omega may from
time to time request,  each Corporation  shall execute and deliver to Omega such
documents and  instruments of conveyance as may be appropriate and shall take or
cause to be taken  such  actions  as Omega may  reasonably  request  in order to
accomplish the transfer of the shares of the  Corporations  and the consummation
of the matters  contemplated by this  Agreement.  All such documents shall be in
form reasonably satisfactory to Omega.

SECTION 2.  CONSIDERATION

      2.1  CONSIDERATION.  As consideration for the Merger, all shares of common
stock  of  the  Corporations  shall,  without  further  action  on the  part  of
Stockholder,  be exchanged for: (i) One Million Four Hundred  Eighteen  Thousand
Five Hundred  Eighteen  Dollars  ($1,418,518)  payable in immediately  available
funds by wire transfer  paid by Omega to  Stockholder  at the Closing;  and (ii)
voting common stock of Omega Health  Systems,  Inc. (the "OHSI Stock") valued at
One Million Two Hundred Seventy-five  Thousand Nine Hundred Twenty-eight Dollars
($1,275,928)  to be issued to  Stockholder  (hereinafter  items (i) and (ii) are
collectively referred to as the "Consideration").  In addition, PEN shall pay to
Mr. Allen Leck ("Mr.  Leck") (a) Four Hundred  Eighty One Thousand  Four Hundred
Eighty Two Dollars  ($481,482)  payable in  immediately  available  funds at the
Closing, in satisfaction of the obligation set forth in the employment agreement
between Dr. Osias and Mr. Leck,  attached  hereto as SCHEDULE 2.1.1 and (b) Five
Hundred  Thousand  Dollars  ($500,000)  represented by Omega's  promissory note,
guaranteed  by  OHSI,  in  consideration  of Mr.  Leck's  agreements  under  the
Employment  Agreement  attached as Exhibit 5.1.3 and Mr. Leck's  consent to this
Merger,  which  promissory  note shall be in the form of Schedule  2.1.2 hereto.
Each share of OHSI Stock shall be valued at the average of the closing  price of
OHSI Stock for the thirty (30) trading days ending three (3) business days prior
to the  Closing  Date,  and  excluding  the five (5) highest and five (5) lowest
daily closing prices.  The maximum value of this per-share  calculation shall be
Seven and 1/8  Dollars  ($7.125).  No  fractional  share of OHSI Stock  shall be
issued.  The  OHSI  Stock  shall  not be  registered,  and  will  be  restricted
securities  that are not  freely  transferable,  except to the  extent  provided
herein,  and the  certificates  reflecting the OHSI Stock shall bear a legend to
that effect.



                                      -64-

<PAGE>

      2.2 "PIGGYBACK"  REGISTRATION RIGHTS. (a) The Stockholder will be entitled
to "piggyback"  registration rights for unregistered OHSI Stock on registrations
of OHSI stock or securities,  subject to the right of Omega and its underwriters
to reduce the number of shares of OHSI Stock  proposed to be  registered in view
of market  conditions,  and OHSI shall  promptly  advise the  Stockholder of any
proposed   registration.   Such   underwriter's   "cutback"   shall  be  applied
proportionately   to  all  unregistered  OHSI  Stock  or  other  securities  and
unregistered warrants or stock options which are requesting registration at such
time pursuant to contractual  rights. The costs to OHSI of registering such OHSI
Stock  in  a  piggyback  registration  shall  be  borne  by  OHSI,  except  that
underwriting discounts and commissions shall be paid by the Stockholder, and the
costs of Stockholder's counsel shall be paid by the Stockholder.

      2.3  TRANSFERABILITY  OF OHSI STOCK.  Provided any  transferee  under this
subsection  acknowledges any restrictions  placed on the OHSI Stock,  nothing in
this Agreement shall prevent the OHSI Stock from being  transferred in whole, or
in  part,  to one or  more  members  of any  Stockholder's  family,  to a  trust
established for any  Stockholder's  benefit or the benefit of one or more of the
members  of any  Stockholder's  family,  to a  family  partnership  (general  or
limited)  established by any  Stockholder's or one or more of the members of any
Stockholder's  family,  or to any other entity that is owned by any  Stockholder
and one or more of the members of any  Stockholder's  family.  In the event that
the OHSI Stock is  transferred  to any permitted  transferee in accordance  with
this  SECTION 2.3,  such  permitted  transferee  shall be entitled to all of the
rights of Stockholder pursuant to this Agreement.  In addition,  nothing in this
Agreement   shall   prevent   the  Omega  Stock  that  is  not  subject  to  the
indemnification  and escrow  arrangement  provided  for in the Stock  Pledge and
Escrow  Agreement  from being sold or  transferred,  in whole or in part,  to an
unrelated third party so long as the applicable  registration and qualifications
requirements of the federal and state  securities laws are complied with or such
sale  or   transfer  is  exempt  from  such   registration   and   qualification
requirements.

SECTION 3.  REPRESENTATIONS AND WARRANTIES OF CORPORATIONS  AND STOCKHOLDER

      The Corporations and the Stockholder  represent and warrant with Omega and
OHSI that,  except as set forth in the  disclosure  schedule  accompanying  this
Agreement:

      3.1 NUMBER OF,  TITLE TO AND  TRANSFERABILITY  OF THE  SHARES.  The entire
authorized capital stock of PEN consists of 1,000,000 shares of common stock, of
which 1,000 shares are issued and  outstanding.  The entire  authorized  capital
stock of PEN Resources  consists of 100,000  shares,  of which 10,000 shares are
issued and outstanding.  All of the issued and outstanding shares of each of the
Corporations  have been duly  authorized,  are validly  issued,  fully paid, and
nonassessable,  and are held of record by  Stockholder  as set forth on SCHEDULE
3.1  hereof.  Stockholder  owns  beneficially  and of  record,  and has good and
marketable  title  to,  all  of  the  issued  and  outstanding  shares  of  each
Corporation,  and Omega in the Merger shall  acquire  ownership of the assets of
the  Corporations,  free and clear of all Liens,  except for the  liabilities or
obligations listed in the Disclosure Schedules.

                                      -65-

<PAGE>

      3.2 OPTIONS AND OTHER RIGHTS. There are no outstanding options,  warrants,
agreements,  calls, conversion rights or other rights to subscribe for, purchase
or  otherwise  acquire any of the shares of the  Corporations  or to acquire any
stock or any other equity interest in the Corporations.

      3.3 AUTHORITY TO EXECUTE AND PERFORM  AGREEMENT.  Stockholder has the full
legal right,  power and capacity,  and all  authority  and approval  required to
enter into,  execute and deliver this Agreement and to perform and observe fully
Stockholder's obligations hereunder and to perform the transactions contemplated
hereby. This Agreement has been fully executed and delivered by each Stockholder
and is the valid and binding obligation of Stockholder enforceable in accordance
with its terms,  subject as to  enforcement of remedies to the discretion of the
courts   in   awarding   equitable   relief   and  to   applicable   bankruptcy,
reorganization,  insolvency, moratorium and similar laws affecting the rights of
creditors generally.

      3.4  TAXES.

      (a) Each  Corporation has filed all federal,  state,  local,  municipal or
other tax returns ("Tax Returns") that it was required to file, on or before the
Closing  Date.  All such Tax Returns  were  correct and complete in all material
respects. All federal, state, local, municipal, or other income, employment, and
other taxes ("Taxes") owed by the Corporations  (whether or not shown on any Tax
Return)  through  the  Closing  Date  have  been  duly  paid  or  accrued.   The
Corporations  are not the  beneficiary  of any extension of time within which to
file any Tax Return. The Corporations have not received notice of any claim made
by an authority in a jurisdiction where the Corporations do not file Tax Returns
that it is or may be  subject to  taxation  by that  jurisdiction.  There are no
Liens on any of the assets of the Corporations that arose in connection with any
failure (or alleged failure) to pay any Tax.

      (b) The Corporations have withheld and paid all Taxes, if any, required to
have been withheld and paid,  on or before the Closing Date, in connection  with
amounts paid or owing to any employee.

      3.5 LITIGATION.  Except as set forth on SCHEDULE 3.5 hereto,  there are no
judgments unsatisfied against Corporations. Stockholder and Corporations are not
a party to any pending action, suit,  proceeding or investigation,  at law or in
equity, or otherwise in, for or by any court or governmental board,  commission,
agency,   department  or  office   arising  from  the  acts  of  Stockholder  or
Corporations or initiation  thereof by Stockholder or Corporations  that relates
to the business or operations of the Corporations.  Stockholder and Corporations
are not subject to any order, judgment, decree or governmental restriction which
adversely  affects the shares of the  Corporations  or which  would  prevent the
consummation of the transactions contemplated by this Agreement. Stockholder and
Corporations are not in material violation of any law, order,  writ,  injunction


                                      -66-

<PAGE>

or decree,  injunction of any court,  governmental department or instrumentality
(including, without limitation,  applicable environmental protection legislation
and regulations) that relates to the business or operations of the Corporations.
There is no claim,  action or  proceeding  now pending or, to the  knowledge  of
Stockholder,  threatened  against  Stockholder  or  Corporations  which will, or
could,  prevent or delay  consummation of the transactions  contemplated by this
Agreement.

      3.6  MEMBERS.  Attached  as  SCHEDULE  3.6.1  is a  list  of  all  of  the
Corporations'  members as of March 31, 1997, for whom the  Corporations  provide
services (the "Members"). Attached as SCHEDULE 3.6.2 is a sample application PEN
enters into with the Members (the "Member Application").

      3.7 VENDORS. Attached as SCHEDULE 3.7.1 is a list as of March 31, 1997, of
all of the  Corporations'  vendors who are currently  providing  products to the
members of PEN  Members,  (the  "Vendors").  Attached as SCHEDULE  3.7.2 are the
contracts  the  Corporations  entered  into with the same  Vendors  (the "Vendor
Contracts").  Except  as  described  on  SCHEDULE  3.7.3,  or in the  Membership
Application materials, the Corporations have no other compensation  arrangements
of any sort with Vendors,  the terms of which are not  substantially  similar to
the terms of SCHEDULE 3.7.2.

      3.8 EMPLOYEES AND INDEPENDENT CONTRACTORS. Attached as SCHEDULE 3.8.1 is a
list as of March 31, 1997, of all of the Corporations' employees and independent
contractors,  including, but not limited to, manufacturers'  representatives and
salespersons. Attached as SCHEDULE 3.8.2 and SCHEDULE 3.8.3 are sample contracts
Corporations enters into with such employees and independent contractors. Except
as described  on SCHEDULE  3.8.4,  the  Corporations  has no other  compensation
arrangements of any sort with any person listed on SCHEDULE 3.8.1,  the terms of
which are not  substantially  similar to the terms of SCHEDULE 3.8.2 or SCHEDULE
3.8.3.

      3.9 CONTRACTS OR OTHER  AGREEMENTS.  Attached as SCHEDULE 3.9 is a list of
written  contracts  (other than the Member  Applications,  Vendor  Contracts and
those contracts with persons listed on SCHEDULE 3.8.1) the Corporations has with
any  third-party  ("Other  Agreements").  SCHEDULE 3.9 also sets forth a written
description  of any  verbal  agreements  that  the  Corporations  have  with any
third-party  that provide for payments to or from the  Corporations in excess of
$10,000 per annum.

      3.10 FRAUD AND ABUSE. (a) Corporations and persons and entities  providing
professional  services for Corporations  have not, to the knowledge of Dr. Osias
and Mr. Leck,  engaged in any activities  which are  prohibited  under 42 U.S.C.
(beta)  1320a-7b,  or the regulations  promulgated  thereundER  pursuant to such
statutes,  or  related  state or local  statues  or  regulations,  or which  are
prohibited by rules of professional conduct; and

      (b) To the knowledge of Dr. Osias and Mr. Leck,  the  Corporations  are in
substantial  compliance  with  the  regulations,  found  at 42 Code  of  Federal
Regulations  (beta)  1001.952(h),  related to the furnishing of "discounts"  (as
thAT term is defined in the  regulations)  in the sale of goods and  services by
Corporations to the Members.

                                      -67-

<PAGE>

      3.11 LABS.  The  Corporations  neither own, nor operate under a management
services or other similar  contract,  any  diagnostic  labs of any sort, nor are
under any contract to furnish any diagnostic laboratory services to any Member.

      3.12 NO MEDICAL SERVICES.  The Corporations  neither provide,  directly or
indirectly,  professional  medical  services  of any  kind,  including,  but not
limited  to  optometry  or  ophthalmology;  nor do the  Corporations  engage in,
directly or indirectly,  the practice of  opticianry,  including but not limited
to, the sale, fitting, or repair of glasses or contact lenses.

      3.13  ACCURACY  AND  MATERIALITY.   No   representation   or  warranty  of
Stockholder  or the  Corporations  contained  in  this  Agreement  or any  other
document prepared by Corporations and delivered to Omega in connection with this
Agreement  contains any untrue  statement of a material  fact, or fails to state
any  material  fact  necessary  in  order to make  the  statements  made in this
Agreement  or such  document not  misleading.  Each of the  representations  and
warranties  contained  in this  SECTION 3 shall be deemed to be  material to and
have been relied upon by Omega.

      3.14 REVIEW AND  CONSULTATION.  Stockholder has had access to and reviewed
such  information  and has  consulted  with  all  legal  counsel,  tax  counsel,
accountants  and other experts and advisors  deemed  necessary by Stockholder in
connection with the transactions contemplated herein.

      3.15 BROKER FEES.  Neither  Stockholder nor the  Corporations has utilized
the  services  of a broker in  connection  with this  transaction,  and  neither
Stockholder nor the  Corporations has any liability or obligation to pay any fee
or commission to any broker,  finder,  or agent with respect to the transactions
contemplated by this Agreement.

      3.16  TANGIBLE  ASSETS.  Attached  hereto as  SCHEDULE  3.16 is a true and
complete  list of all of the non-cash  assets,  to which each  Corporation  is a
party, of the Corporations at the Closing Date (the "Assets").  Each Corporation
has and at the Closing Date will have good title,  unencumbered  by any Lien, to
all of the Assets.  The Assets will be updated at the  Closing  Date,  and cash,
accounts  receivables,  accounts  payable,  and debt at the Closing Date will be
substantially  similar to the amounts of such items  existing as of November 30,
1996.

      3.17 ACCOUNTS RECEIVABLE. Attached hereto as SCHEDULE 3.17.1 is a true and
complete  list  as of  March  31,  1997,  of  all  accounts  receivable  of  the
Corporations  and the  amount  of  Corporations'  reserve  for bad  debts at the
Closing Date.  Prior to the Closing there shall be no material adverse change in
the accounts  receivable or the reserve,  except for  transactions in the normal
course of the Corporations'  business. In addition,  attached as SCHEDULE 3.17.2
is  a  list  of  all  accounts   receivable   that  have  been  written  off  as
"uncollectible" or as "bad debt," since May 1, 1995. The accounts receivable are


                                      -68-

<PAGE>

each exclusively owned by the Corporations free and clear of any liens, security
interest claims and  encumbrances of any kind; are payable in an amount not less
than their face  amount,  and are based on an actual and bona fide  rendition of
services  or sale of goods  in the  ordinary  course  of  business,  and are not
subject to any action,  suit,  proceeding  or pursuit  (pending  or  threatened)
set-off, counter claim, defense, abatement,  suspension,  deferment, deductible,
reduction or termination  by the account  debtor other than routine  adjustments
made in the ordinary course of business and each account receivable  requires no
further act or circumstances on the part of the Corporations to make the account
receivable payable by the account debtor.  Neither the Corporations,  Dr. Osias,
nor Mr. Leck have actual knowledge of any bankruptcy or other payment disability
of any account debtor.

      3.18 FINANCIAL  STATEMENTS.  Attached hereto as collective SCHEDULE 3.18.1
are audited financial statements of PEN at April 30, 1994, April 30, 1995, April
30, 1996 and the seven (7) months ended  November 30,  1996,  including  balance
sheets and income  statements  for the periods  then ended.  Attached  hereto as
Schedule 3.18.2 are unaudited financial  statements of PEN Resources at December
31,  1995 and 1996,  including  balance  sheets  and income  statements  for the
periods then ended. Such financial  statements  accurately reflect the condition
and  results  of  operations  of the  Corporations  at such  dates  and for such
periods.  Since  November 30, 1996 there has not been,  and prior to the Closing
Date there will not be, any material adverse change in the Assets or business or
financial condition of the Corporations.

      3.19 UNDISCLOSEDLIABILITIES.  To the knowledge of the Corporations, except
as set forth in SCHEDULE  3.19,  the  Corporations  have no debt,  liability  or
obligation  except  for (i)  debts,  liabilities  or  obligations  set forth on,
accrued  or  reserved  against  in,  the March  31,  1997  balance  sheet of the
Corporations  or  included in any notes  thereto,  (ii)  debts,  liabilities  or
obligations that have arisen in the ordinary course of business, or (iii) debts,
liabilities or obligations  disclosed in the audited financial statements of the
Corporations for the period ended November 30, 1996.

      3.20  GOVERNMENTAL  APPROVALS.  The  Corporations  have  all  permits  and
licenses  required  by all  applicable  laws  and  regulations  and  are  not in
violation of any such applicable laws or regulations.  The Corporations are duly
licensed,  and the  Corporations,  their  offices and  facilities  are  lawfully
operated in all material  respects in accordance  with the  requirements  of all
applicable laws, including any federal or state antitrust, price discrimination,
or illegal brokerage laws, and have all necessary  authorizations,  all of which
are in full force and effect in all material respects.  There are no outstanding
notices of deficiencies  relating to the Corporations issued by any governmental
authority  requiring  conformity  or  compliance  with  any  applicable  law  or
condition,  and the  Corporations  and  Stockholder  have no knowledge that such
necessary authorizations may be revoked or not renewed in the ordinary course of
business.

      3.21  THIRD-PARTY  RELATIONS.  Neither  Dr.  Osias nor Mr. Leck is aware
of any  problem  or  disagreement  with  any  third  parties  with  which  the
Corporations  do business,  which problem or  disagreement  has had a material


                                      -69-

<PAGE>

adverse  effect on the  Corporation's  businesses or is  reasonably  likely to
have a material  adverse  effect on the  Corporation's  businesses.  Dr. Osias
and Mr. Leck will use their best  efforts  from the date of this  Agreement to
operate  the  business  in such a  manner  so as not to  materially  adversely
affect the goodwill of its Members, Vendors,  suppliers,  employees, and other
such persons or third parties with which the Corporations do business.

      3.22 TRADE RELATIONS.  There exists no actual or threatened  limitation of
the business  relationship of Corporations with any Member,  Vendor or landlord,
with any Member  Application  or Other  Agreements,  which actual or  threatened
limitations to such contracts or projected  contracts with Corporations would be
material to the operations of  Corporations.  There exists no condition or state
of facts or  circumstances  which could result in the  occurrence  of a material
adverse effect with respect to the Assets,  financial condition,  or business of
the  Corporations  or prevent Omega from conducting the  Corporations'  business
after the  consummation  of the  transactions  contemplated by this Agreement as
such business is currently conducted.

      3.23 EMPLOYEE BENEFIT PLANS. (a) LIST OF PLANS. Set forth on SCHEDULE 3.23
is an accurate  and  complete  list of all  employee  benefit  plans  ("Employee
Benefit  Plans")  within the meaning of Section 3(3) of the Employee  Retirement
Income Security Act of 1974, as amended  ("ERISA"),  whether or not any Employee
Benefit Plans are otherwise  exempt from the  provisions of ERISA,  established,
maintained  or  contributed  to by the  Corporations  (including  all  employers
(whether  or not  incorporated)  which by reason of common  control  are treated
together with  Corporations  and/or  Stockholder as a single employer within the
meaning of Section 414 of the Code) since September 2, 1974.

      (b) STATUS OF PLANS.  Corporations  have never maintained and does not now
maintain or  contribute  to any Employee  Benefit Plan subject to ERISA which is
not in substantial  compliance with ERISA, or which has incurred any accumulated
funding  deficiency within the meaning of either Section 412 of the Code or 418B
of ERISA,  or which has  applied  for or  obtained  a waiver  from the  Internal
Revenue Service of any minimum funding requirement under Section 412 of the Code
or which is subject to Title IV of ERISA.  Corporations  have not  incurred  any
liability to the Pension Benefit  Guaranty  Corporations  ("PBGC") in connection
with any Employee  Benefit Plan covering any employees of Corporations or ceased
operations  at any  facility or  withdrawn  from any such Plan in a manner which
could subject it to liability under Section 4062(f),  4063 or 4064 of ERISA, and
Stockholder  knows of no facts or  circumstances  which  might  give rise to any
liability  of  Corporations  to the PBGC  under  Title IV of ERISA  which  could
reasonably be  anticipated  to result in any claims being made against the Omega
by the PBGC.  Corporations have not incurred any withdrawal liability (including
any contingent or secondary withdrawal liability) within the meaning of Sections
4201 and 4202 of ERISA,  to any Employee  Benefit Plan which is a  Multiemployer
Plan (as defined in Section 4001 of ERISA), and no event has occurred, and there
exists no condition or set of circumstances,  which represent a material risk of
the   occurrence  of  any  withdrawal   from  or  the  partition,   termination,
reorganization or insolvency of any Multiemployer Plan which would result in any
liability to a Multiemployer Plan.



                                      -70-

<PAGE>

      (c)  CONTRIBUTIONS.  Full  payment  has  been  made of all  amounts  which
Corporations  are required,  under  applicable law or under any Employee Benefit
Plan  or  any  agreement   relating  to  any  Employee  Benefit  Plan  to  which
Corporations are a party, to have paid as  contributions  thereto as of the last
day of the most recent fiscal year of such Employee  Benefit Plan ended prior to
the date hereof.  Corporations have made adequate provision for reserves to meet
contributions  that  have not been made  because  they are not yet due under the
terms of any Employee  Benefit Plan or related  agreements.  Benefits  under all
Employee Benefit Plans are as represented and have not been increased subsequent
to the date as of which documents have been provided.

      (d) TAX QUALIFICATION. Each Employee Benefit Plan intended to be qualified
under Section  401(a) of the Code has been  determined to be so qualified by the
Internal  Revenue  Service and nothing has  occurred  since the date of the last
such  determination  which  resulted or is likely to result in the revocation of
such determination.

      (e)  TRANSACTIONS.  Corporations  have not engaged in any transaction with
respect to the Employee  Benefit Plans which would subject it to a tax,  penalty
or liability for prohibited transactions under ERISA or the Code nor have any of
its  directors,  officers  or  employees  to the extent  they or any of them are
fiduciaries with respect to such plans,  breached any of their  responsibilities
or obligations  imposed upon fiduciaries  under Title I of ERISA or would result
in any claim  being made under or by or on behalf of any such plans by any party
with standing to make such claim.

      (f) OTHER  PLANS.  Corporations  presently  does not maintain any employee
benefit plans or any other foreign pension,  welfare or retirement benefit plans
other than those listed on EXHIBIT 3.23.

      (g)  DOCUMENTS.  Stockholder  has  delivered  or caused to be delivered to
Omega and its counsel true and complete copies of (i) all Employee Benefit Plans
as in effect,  together with all amendments  thereto which will become effective
at a later date, as well as the latest Internal  Revenue  Service  determination
letter  obtained with respect to any such Employee  Benefit Plan qualified under
Section 401 or 501 of the Code, and (ii) Form 5500 for the most recent completed
fiscal year for each Employee Benefit Plan required to file such form.

      3.24 INVESTMENT INTENT.  Stockholder  acknowledges that the OHSI Stock has
not been registered under the Securities Act, and that the OHSI Stock, except as
provided  for in SECTION  2.2,  AND  SECTION  2.3 , may not be sold,  pledged or
otherwise  transferred  absent such  registration,  or unless an exemption  from
registration  is available.  Stockholder is acquiring the OHSI Stock for its own
account,  for investment  purposes only and not with a view to  distribution  of
such OHSI Stock  within the  meaning of  Section  2(11) of the  Securities  Act.
Stockholder  qualifies as an  "accredited  investor",  as defined in Rule 501(a)
pursuant to the  Securities  Act.  Stockholder  has received from OHSI a copy of
OHSI's Form 10-K for 1994,  1995,  and 1996,  OHSI's 10-Q for the quarter  ended


                                      -71-

<PAGE>

September  30,  1996,  and OHSI's 1994 and 1995 Annual  Report to  Shareholders.
Stockholder has had the opportunity to ask questions of and receive answers from
OHSI senior  management  concerning  OHSI and the terms and  conditions  of this
investment by  Stockholder.  Stockholder has had the opportunity to obtain other
additional  information  concerning  OHSI  from  OHSI  senior  management.  This
representation  by  Stockholder  does not limit or qualify in any respect any of
the representations or warranties made by OHSI in this Agreement.

      3.25 AUTHORITY.  (a) The execution of this Agreement and the  consummation
of the  transactions  contemplated  hereby  have  been  duly  authorized  by all
necessary action, and this Agreement is a valid and binding agreement of each of
the  Corporations  enforceable  in  accordance  with its  terms  (subject  as to
enforcement  of remedies to the  discretion of the courts in awarding  equitable
relief, and to applicable  bankruptcy,  reorganization,  insolvency,  fraudulent
conveyance,  moratorium  and  similar  laws  effecting  the rights of  creditors
generally).  Attached  hereto as SCHEDULE  3.25 is a listing of all  third-party
consents  in  connection  with the Merger  which must be  obtained  prior to the
Effective Time.

      (b) To the  knowledge of  Stockholder  and Dr.  Osias,  the  execution and
delivery of this Agreement,  the consummation of the  transactions  contemplated
hereby,  and/or  compliance by the  Corporations and Stockholder with any of the
provisions hereof, will not:

            (i) violate or conflict with, or result in a breach of any provision
      of, or  constitute a default (or an event  which,  with notice or lapse of
      time or both, would constitute a default) under, or result in the creation
      of, any lien,  security  interest,  charge or encumbrance  upon any of the
      assets  of  the  Corporations  under  any  of  the  terms,  conditions  or
      provisions of any note, bond, mortgage, indenture, deed of trust, license,
      agreement  or  other   instrument   or  obligation  to  which  either  the
      Corporations,  Stockholder or Dr. Osias is a party, or by which either the
      Corporations,  Stockholder,  Dr.  Osias  or  any  of  the  assets  of  the
      Corporations is bound; or

            (ii) violate any order, writ, injunction,  decree,  statute, rule or
      regulation  applicable  either to the  Corporations,  Stockholder,  or Dr.
      Osias or any of the assets to be conveyed hereunder; or

            (iii)   conflict  with  or  constitute  a  breach,   violation,   or
      termination  of  any  provision  of  any  Vendor   Contract,   any  Member
      Application,  any Other Agreement, or any contract with the persons listed
      on Schedule 3.8.1.



                                      -72-

<PAGE>

SECTION 4.  REPRESENTATIONS AND WARRANTIES OF OMEGA AND OHSI.

      Omega and OHSI represent and warrant to the Stockholder that:

      4.1  CORPORATE  STATUS.  Each of  Omega  and  OHSI is a  corporation  duly
organized,  validly  existing  and  in  good  standing  under  the  laws  of the
jurisdiction  of its  incorporation  with full corporate  power and authority to
carry on its  business  as now  conducted  and to own or lease and  operate  its
properties as, and in the places where,  such business is now conducted and such
properties are owned, leased and operated.

      4.2  CAPITALIZATION.  OHSI has an authorized  capitalization of 25,000,000
shares of common stock ("OHSI Comon Stock"),  par value $.06 per share, of which
6,879,978 shares are issued and  outstanding.  All of the issued and outstanding
shares of OHSI Common Stock have been duly and validly issued and are fully paid
and  nonassessable.  Except as described on SCHEDULE 4.2,  there are no options,
warrants or similar rights granted by OHSI or any other agreements to which OHSI
is a  party  providing  for  the  issuance  or  sale  by  it of  any  additional
securities.  There is no liability for  dividends  declared or  accumulated  but
unpaid with respect to any shares of OHSI Common Stock.  Omega is a wholly-owned
subsidiary of OHSI.

      4.3  CONTRACTS OR OTHER  AGREEMENTS.  Neither the execution or delivery of
this Agreement nor the consummation of this transaction will: (i) conflict with,
constitute a breach,  violation or  termination of any provision of any contract
or other  agreement  to which Omega is a party or by which it is bound;  or (ii)
violate any law, regulation,  judgment,  rule, order or any other restriction of
any kind or character applicable to Omega.

      4.4 REVIEW AND  CONSULTATION.  Omega has had access to and  reviewed  such
information and has consulted with all legal counsel,  tax counsel,  accountants
and other experts and advisors deemed  necessary by Omega in connection with the
transactions contemplated herein.

      4.5 AUTHORITY TO EXECUTE AND PERFORM  AGREEMENT.  Omega has the full legal
right, power and capacity, and all authority and approval, including approval by
Omega's  Board of  Directors,  required to enter into,  execute and deliver this
Agreement and to perform and observe fully Omega's obligations  hereunder and to
perform the  transactions  contemplated  hereby.  This  Agreement has been fully
executed and delivered by Omega and is the valid and binding obligation of Omega
enforceable  in accordance  with its terms.  To the knowledge of Omega and OHSI,
the  execution  and  delivery  of  this  Agreement,   the  consummation  of  the
transactions  contemplated  hereby, and compliance by Omega and OHSI with any of
the provisions hereof, will not:

            (i) violate or conflict with, or result in a breach of any provision
      of, or  constitute a default (or an event  which,  with notice or lapse of
      time  or  both,  would  constitute  a  default)  under  any of the  terms,
      conditions or provisions of any note, bond, mortgage,  indenture,  deed of
      trust,  license,  agreement or other  instrument  or  obligation  to which
      either  Omega or OHSI is a party,  or by which either Omega or OHSI or any
      of their assets are bound; or

                                      -73-

<PAGE>

            (ii) violate any order, writ, injunction,  decree,  statute, rule or
      regulation applicable either to Omega or OHSI.


      4.6 OHSI STOCK.  The shares of OHSI Stock to be issued to the  Stockholder
pursuant  to this  Agreement,  when so issued  and  delivered,  will be duly and
validly authorized and issued,  fully paid and nonassessable,  free and clear of
any and all Liens, and free of restrictions on transfer other than  restrictions
on  transfer  under  this  Agreement  and under  applicable  state  and  federal
securities laws, with no personal liability attaching to the ownership thereof.

      4.7  CONSENTS  AND  APPROVALS.  No  notice  to,  declaration,   filing  or
registration  with,  or  authorization,  consent or  approval  of, or license or
permit  from,  any  domestic  or  foreign  governmental  or  regulatory  body or
authority,  or any other person or entity,  is necessary in connection  with the
execution  and  delivery  of this  Agreement  by Omega or OHSI and the Merger as
contemplated by this Agreement.

      4.8  SEC REPORTS AND FINANCIAL STATEMENTS.

            (a)  OHSI has  previously  furnished  to  Stockholder  complete  and
correct  copies of: (i) its Annual  Reports on Form 10-K for the  periods  ended
December 31, 1994, 1995, and 1996, (ii) its proxy materials for the two (2) most
recently  held  meetings  of  stockholders,  and (iii) its 1994 and 1995  Annual
Reports to Shareholders (collectively, the "SEC Filings").

            (b) As of their respective filing dates or the date of any amendment
thereto,  none of the SEC Filings  contains  any untrue  statement of a material
fact or omits  to  state a  material  fact  required  to be  stated  therein  or
necessary to make the statements  therein,  in light of the circumstances  under
which they were  made,  not  misleading,  except to the  extent  corrected  by a
subsequently filed SEC filing.

            (c) Since December 31, 1996,  OHSI has filed with the Securities and
Exchange  Commission  ("SEC") all reports and  registration  statements  and all
other filings required to be filed with the SEC.

            (d) The audited  consolidated  financial  statements  and  unaudited
interim financial  statements  included in the reports or other filings referred
to in SECTION 4.8(A) hereof were prepared in conformity with generally  accepted
accounting  principles applied on a consistent basis (except as may be indicated
therein or in the notes thereto) and fairly present the  consolidated  financial
position  of  OHSI  and  its  subsidiaries  as of  the  dates  thereof  and  the
consolidated  results of operations and changes in cash flows and  stockholders'


                                      -74-

<PAGE>

equity of OHSI and its subsidiaries for the periods shown therein,  subject,  in
the  case  of  unaudited  interim  financial  statements,   to  normal  year-end
adjustments and the absence of certain footnote disclosures.

            (e) For three (3) years  following the Closing Date,  Omega and OHSI
will  supply to  Stockholder  all SEC Filings  made after the  Closing  Date and
copies of all press releases issued by OHSI.

      4.9 UNDISCLOSED LIABILITIES.  Except as disclosed on SCHEDULE 4.9, neither
OHSI nor any of its  subsidiaries  has any liability or  obligation,  secured or
unsecured (whether absolute,  accrued,  contingent or otherwise, and whether due
or  to  become  due)  which  is  material  to  the  business  of  OHSI  and  its
subsidiaries,  taken as a whole,  except for any such  liability and  obligation
which (i) is accrued or reserved against in the consolidated balance sheet as of
December 31, 1996  contained  in OHSI's  report on Form 10-K for the period then
ended, or (ii) is of a normally recurring nature and was incurred after November
30 , 1996 in the ordinary course of business and consistent with past practice.

      4.10  ABSENCE OF CERTAIN  CHANGES.  Since  December  31,  1996 to the date
hereof,  there has not occurred or arisen any events having  individually  or in
the aggregate a material  adverse effect on the business,  financial  condition,
operation,  prospects,  net  worth,  assets  or  liabilities  of  OHSI  and  its
subsidiaries,  taken as a whole,  except any such  events  described  in the SEC
Filings filed by OHSI since  December 31, 1996 to the date hereof and which were
provided to the Stockholder by OHSI.

      4.11  TAXES.  (a) Each of OHSI and Omega has  filed  all  federal,  state,
local,  municipal or other tax returns ("Tax  Returns")  that it was required to
file,  on or before the  Closing  Date.  All such Tax Returns  were  correct and
complete in all material respects.  All federal,  state,  local,  municipal,  or
other  income,  employment,  and  other  taxes  ("Taxes")  owed by Omega or OHSI
(whether or not shown on any Tax Return) through the Closing Date have been duly
paid or accrued.  Neither OHSI nor Omega is the  beneficiary of any extension of
time within  which to file any Tax Return.  Neither  OHSI nor Omega has received
notice of any claim made by an authority in a jurisdiction  where Omega does not
file Tax Returns that it is or may be subject to taxation by that  jurisdiction.
There are no Liens on any of the assets of Omega that arose in  connection  with
any failure (or alleged failure) to pay any Tax.

      (b)  Each of  Omega  and OHSI has  withheld  and paid all  Taxes,  if any,
required  to have been  withheld  and paid,  on or before the Closing  Date,  in
connection with amounts paid or owing to any employee.

      4.12 LITIGATION. Except as set forth on SCHEDULE 4.12 hereto, there are no
judgments  unsatisfied against either Omega or OHSI. Neither Omega nor OHSI is a
party to any pending action,  suit,  proceeding or  investigation,  at law or in
equity, or otherwise in, for or by any court or governmental board,  commission,
agency,  department or officer  arising from the acts of either Omega or OHSI or
initiation  thereof by Omega or OHSI that relates to the business or  operations
of  either  Omega or OHSI.  Neither  Omega  nor OHSI is  subject  to any  order,
judgment,  decree or governmental  restriction  which adversely affects the OHSI
Stock or which would prevent the consummation of the  transactions  contemplated
by this Agreement.  Neither Omega nor OHSI is in material  violation of any law,


                                      -75-

<PAGE>

order,  writ,  injunction  or  decree,  injunction  of any  court,  governmental
department  or  instrumentality  (including,   without  limitation,   applicable
environmental  protection  legislation  and  regulations)  that  relates  to the
business or  operations  of either Omega or OHSI.  There is no claim,  action or
proceeding now pending or, to the knowledge of either Omega or OHSI,  threatened
against either Omega or OHSI which will, or could, prevent or delay consummation
of the transactions contemplated by this Agreement.

      4.13 FRAUD AND ABUSE.  Neither  Omega nor OHSI,  nor persons and  entities
providing  professional  services  for Omega or OHSI have,  to the  knowledge of
Omega or OHSI engaged in any  activities  which are  prohibited  under 42 U.S.C.
(beta)  1320a-7b,  or the regulations  promulgated  thereundER  pursuant to such
statutes,  or  related  state or local  statues  or  regulations,  or which  are
prohibited by rules of professional conduct.

      4.14 THIRD-PARTY RELATIONS. Neither Omega nor OHSI is aware of any problem
or  disagreement  with any third parties with which the they do business,  which
problem or disagreement has had a material adverse effect on their businesses or
is  reasonably  likely to have a material  adverse  effect on their  businesses.
Omega and OHSI will use their best  efforts  from the date of this  Agreement to
operate the business in such a manner so as not to materially  adversely  affect
the  goodwill of its  Members,  Vendors,  suppliers,  employees,  and other such
persons or third parties with which the Corporations do business.

      4.15 BROKER  FEES.  Neither  OHSI nor Omega has utilized the services of a
broker in  connection  with this  transaction,  and neither has any liability or
obligation  to pay any fee or commission  to any broker,  finder,  or agent with
respect to the transactions contemplated by this Agreement.

      4.16 GOVERNMENTAL APPROVALS.  Omega and OHSI have all permits and licenses
required by all applicable  laws and regulations and are not in violation of any
such applicable  laws or  regulations.  Each of OHSI and Omega is duly licensed,
and Omega,  OHSI and their offices and facilities  are lawfully  operated in all
material  respects in accordance with the  requirements of all applicable  laws,
including  any  federal or state  antitrust,  price  discrimination,  or illegal
brokerage laws, and has all necessary  authorizations,  all of which are in full
force and effect in all material respects.  There are no outstanding  notices of
deficiencies  relating  to Omega or OHSI  issued by any  governmental  authority
requiring  conformity or compliance  with any applicable  law or condition,  and
neither OHSI nor Omega have any knowledge that such necessary authorizations may
be revoked or not renewed in the ordinary course of business.


                                      -76-

<PAGE>

      4.17 EMPLOYEE  BENEFIT PLANS. (a) LIST OF PLANS. Set forth on EXHIBIT 4.16
is an accurate  and  complete  list of all  employee  benefit  plans  ("Employee
Benefit Plans") within the meaning of Section 3(3) of ERISA,  whether or not any
Employee  Benefit  Plans are  otherwise  exempt  from the  provisions  of ERISA,
established,  maintained  or  contributed  to by  Omega or OHSI  (including  all
employers  (whether or not  incorporated)  which by reason of common control are
treated  together with Omega or OHSI as a single  employer within the meaning of
Section 414 of the Code) since September 2, 1974.

      (b) STATUS OF PLANS.  Neither Omega nor OHSI has  maintained  and does not
now maintain or contribute  to any Employee  Benefit Plan subject to ERISA which
is not  in  substantial  compliance  with  ERISA,  or  which  has  incurred  any
accumulated  funding  deficiency within the meaning of either Section 412 of the
Code or 418B of ERISA,  or which has  applied  for or obtained a waiver from the
Internal Revenue Service of any minimum funding requirement under Section 412 of
the Code or which is  subject  to Title IV of ERISA.  Neither  Omega or OHSI has
incurred any liability to the PBGC in connection with any Employee  Benefit Plan
covering any employees of Omega or OHSI or ceased  operations at any facility or
withdrawn  from any such Plan in a manner  which could  subject it to  liability
under Section  4062(f),  4063 or 4064 of ERISA, and neither Omega nor OHSI knows
of any facts or circumstances which might give rise to any liability of Omega or
OHSI to the PBGC under Title IV of ERISA which could  reasonably be  anticipated
to result in any claims  being made against  Omega or OHSI by the PBGC.  Neither
Omega nor OHSI has incurred any withdrawal  liability  (including any contingent
or secondary withdrawal  liability) within the meaning of Sections 4201 and 4202
of ERISA, to any Employee Benefit Plan which is a Multiemployer Plan (as defined
in  Section  4001 of  ERISA),  and no event has  occurred,  and there  exists no
condition  or set of  circumstances,  which  represent  a  material  risk of the
occurrence of any withdrawal from or the partition, termination,  reorganization
or insolvency of any Multiemployer Plan which would result in any liability to a
Multiemployer Plan.

      (c)  CONTRIBUTIONS.  Full payment has been made of all amounts which Omega
or OHSI is required,  under applicable law or under any Employee Benefit Plan or
any agreement  relating to any Employee Benefit Plan to which Omega or OHSI is a
party,  to have  paid as  contributions  thereto  as of the last day of the most
recent fiscal year of such Employee Benefit Plan ended prior to the date hereof.
Omega or OHSI has made  adequate  provision  for reserves to meet  contributions
that  have not been  made  because  they are not yet due  under the terms of any
Employee Benefit Plan or related agreements. Benefits under all Employee Benefit
Plans are as represented  and have not been increased  subsequent to the date as
of which documents have been provided.

      (d) TAX QUALIFICATION. Each Employee Benefit Plan intended to be qualified
under Section  401(a) of the Code has been  determined to be so qualified by the
Internal  Revenue  Service and nothing has  occurred  since the date of the last
such  determination  which  resulted or is likely to result in the revocation of
such determination.



                                      -77-

<PAGE>

      (e)  TRANSACTIONS.  Neither Omega nor OHSI has engaged in any  transaction
with  respect to the  Employee  Benefit  Plans which would  subject it to a tax,
penalty or liability  for  prohibited  transactions  under ERISA or the Code nor
have any of its  directors,  officers or  employees to the extent they or any of
them  are  fiduciaries  with  respect  to  such  plans,  breached  any of  their
responsibilities  or obligations imposed upon fiduciaries under Title I of ERISA
or would  result in any claim  being  made  under or by or on behalf of any such
plans by any party with standing to make such claim.

      (f) OTHER PLANS.  Neither Omega nor OHSI presently  maintains any employee
benefit plans or any other foreign pension,  welfare or retirement benefit plans
other than those listed on SCHEDULE 4.16.

      4.18 ACCURACY AND MATERIALITY.  No  representation or warranty of Omega or
OHSI contained in this Agreement or any other document prepared by Omega or OHSI
and delivered to Stockholder,  the  Corporations or Leck in connection with this
Agreement  contains any untrue  statement of a material  fact, or fails to state
any  material  fact  necessary  in  order to make  the  statements  made in this
Agreement  or such  document not  misleading.  Each of the  representations  and
warranties  contained  in this  SECTION 4 shall be deemed to be  material to and
have been relied upon by Stockholder.

      4.19  OFFERING.  Subject  to  the  truth  and  accuracy  of  Stockholder's
representations  set forth in SECTION 3 of this Agreement,  the offer,  sale and
issuance  of the  shares of OHSI Stock as  contemplated  by this  Agreement  are
exempt from the  registration  requirements  of the  Securities  Act of 1933, as
amended,  and neither Omega, OHSI, nor any authorized agent acting on its behalf
will take any action hereafter that would cause the loss of such exemption.

SECTION 5.  CONDITIONS AND ADDITIONAL AGREEMENTS.

      5.1 CONDITIONS PRECEDENT TO OMEGA'S AND OHSI OBLIGATIONS.  The Closing and
all  obligations  of  Omega  and  OHSI  pursuant  to  this  Agreement  shall  be
conditioned upon the following:

            (a) All representations and warranties  contained in SECTION 3 shall
      be true and correct as of the date of this Agreement and as of the Closing
      Date;

            (b) There shall have been no material adverse change in the accounts
      receivable,  assets,  liabilities,  financial condition or business of the
      Corporations from November 30, 1996, through the Closing Date;

            (c) Stockholder shall have executed and delivered to Omega the stock
      certificates  representing  the Shares  pursuant  to  SECTION  1.3 of this
      Agreement;

            (d) Stockholder  shall have performed all of its  obligations  under
      this Agreement required to be performed as of the Closing Date;

                                      -78-

<PAGE>

            (e)  Dr.  Osias  shall  have  executed  and  delivered  to  Omega  a
      Noncompetition and Nonsolicitation  Agreement, dated as of May 1, 1997, by
      and among Dr. Osias, the  Corporations and OHSI, and  substantially in the
      form of EXHIBIT 5.1.1, attached hereto (the "Noncompete Agreement");

            (f)  Mr.  Leck  shall  have   executed  and  delivered  to  Omega  a
      Contractor's Agreement and Confidentiality  Agreement,  dated as of May 1,
      1997,  by  and  among,   Mr.  Leck,  the   Corporations,   and  OHSI,  and
      substantially   in  the  form  of  EXHIBIT  5.1.2  attached   hereto  (the
      "Contractor's Agreement");

            (g)  Mr.  Leck  shall  have  executed  and  delivered  to  OHSI  the
      Employment Agreement, substantially in the form of EXHIBIT 5.1.3, attached
      hereto;

            (h) Dr.  Osias  shall  have  executed  and  delivered  to  OHSI  the
      Consulting Agreement, substantially in the form of EXHIBIT 5.1.4, attached
      hereto;

            (i) Stockholder  shall have executed and delivered to OHSI the Stock
      Pledge and Escrow  Agreement in the form of EXHIBIT 5.1.5 attached hereto;
      and

            (j)  Any  licenses   required  by  law  for  the  operation  of  the
      Corporations  shall be in good  standing and all  regulatory  requirements
      shall have been met in connection  with the Merger to ensure the continued
      operation of the surviving Corporation in the Merger.

            In the event Omega  reasonably  believes  prior to the Closing  Date
      that any of the  foregoing  conditions is not  satisfied,  then OHSI shall
      notify  Stockholder  in  writing  and  Stockholder  shall cure such to the
      reasonable  satisfaction  of OHSI. If Stockholder  does not cure in thirty
      (30) days,  then OHSI may, at its option,  terminate  this  Agreement,  in
      which event Omega and OHSI shall be relieved of all obligations  hereunder
      and this Agreement  shall be deemed null,  void and of no force or effect;
      except that  SECTION  12.7 shall  survive  termination  of this  Agreement
      pursuant to this SECTION 5.1.

      5.2 CONDITIONS PRECEDENT TO STOCKHOLDER'S OBLIGATIONS. The Closing and all
obligations of Stockholder, the Corporations and Leck pursuant to this Agreement
shall be conditioned upon the following:

            (a) All representations and warranties  contained in SECTION 4 shall
      be true and correct as of the date of this Agreement and as of the Closing
      Date;

            (b) OHSI  shall  have  delivered  the  Purchase  Price  set forth in
      SECTION 2 hereof and the documents set forth in SECTION 5.3;

                                      -79-

<PAGE>

            (c) Omega and OHSI shall have performed all of its obligations under
      this Agreement required to be performed as of the Closing Date;

            (d)  OHSI  shall  have  executed  and  delivered  to Dr.  Osias  the
      Noncompete  Agreement,  substantially  in  the  form  of  EXHIBITS  5.1.1,
      attached hereto;

            (e)  OHSI  shall  have  executed  and  delivered  to  Mr.  Leck  the
      Contractor's  Agreement,  substantially  in the  form  of  EXHIBIT  5.1.2,
      attached hereto;

            (f)  OHSI  shall  have  executed  and  delivered  to  Mr.  Leck  the
      Employment Agreement, substantially in the form of EXHIBIT 5.1.3, attached
      hereto;

            (g)  OHSI  shall  have  executed  and  delivered  to Dr.  Osias  the
      Consulting Agreement, substantially in the form of EXHIBIT 5.1.4, attached
      hereto;

            (h) Omega and OHSI shall have executed and delivered to Mr. Leck the
      promissory note in the form of Schedule 2.1.2 hereof.

            (i)  There  shall  have  been  no  material  adverse  change  in the
      financial condition or business of OHSI since December 31, 1996; and

            (j) There shall not be in effect (i) any  judgment,  decree or order
      issued by any federal, state or local court of competent jurisdiction,  or
      (ii)  any  statute,  rule or  regulation  enacted  or  promulgated  by any
      federal, state or local or legislative,  administrative or regulatory body
      of competent jurisdiction,  that in either of cases (i) or (ii) challenges
      the consummation of the proposed transactions under this Agreement.

      In the event  Stockholder  reasonably  believes  prior to the Closing Date
that any of the foregoing  conditions is not satisfied,  then Stockholder  shall
notify OHSI in writing and OHSI shall cure such to the  reasonable  satisfaction
of Stockholder.  If OHSI does not cure in thirty (30) days then Stockholder may,
at its option,  terminate  this  Agreement in which event  Stockholder  shall be
relieved of all  obligations  hereunder and this Agreement shall be deemed null,
void and of no force or effect, except that SECTION 12.14 and SECTION 12.7 shall
survive termination of this Agreement pursuant to this Section 5.2.

      5.3 OMEGA'S AND OHSI  DELIVERIES.  At or prior to the  Closing,  Omega and
OHSI shall deliver to Stockholder the following documents:

      (a) CORPORATE  RESOLUTIONS.  A copy of directors' resolutions of Omega and
OHSI,  certified by its respective corporate secretary or assistant secretary as
having  been duly and  validly  adopted and as being in full force and effect on
the Closing  Date,  authorizing  the execution and delivery by Omega and OHSI of
this Agreement,  the other instruments to be executed and delivered by Omega and
OHSI  as  provided  herein,  and  the  performance  by  Omega  and  OHSI  of the
transactions contemplated hereby;

                                      -80-

<PAGE>

      (b)   CONSIDERATION.  The Consideration described in SECTION 2;

      (c) NONCOMPETE AND NONSOLICITATION  AGREEMENTS.  The Noncompete  Agreement
among Dr. Osias, the Corporations and OHSI and the Contractor's  Agreement among
Mr. Leck, the Corporations and Omega;

      (d) EMPLOYMENT  AGREEMENT.  The Employment  Agreement between Mr. Leck and
PEN;

      (e) CONSULTING  AGREEMENT.  The Consulting Agreement between Dr. Osias and
PEN;

      (f) OPINION OF COUNSEL FOR OMEGA AND OHSI. An opinion of counsel for Omega
and  OHSI  dated  as of the  Closing  Date,  in form  and  substance  reasonably
satisfactory to Stockholders'  counsel, and where appropriate with reliance upon
a certificate from Omega and OHSI to the effect that:

            (1) Each of OHSI and  Omega is (i)  duly  incorporated  and  validly
      existing  as  a  business   corporation  under  the  jurisdiction  of  its
      incorporation,  (ii) in good standing as a business  corporation under the
      laws of the  jurisdiction of its  incorporation,  and (iii) duly empowered
      and authorized to hold and own its properties and carry on its business as
      now conducted and as proposed to be conducted.

            (2) Each of OHSI and  Omega  has the full  power  and  authority  to
      execute,  deliver, and perform this Agreement and all other agreements and
      documents contemplated hereby to which OHSI or Omega, as applicable,  is a
      party and which are necessary to consummate the  contemplated  transaction
      to which  OHSI or Omega,  as  applicable,  is a party,  and all  corporate
      actions  of OHSI and Omega  necessary  for such  execution,  delivery  and
      performance will have been duly taken.

            (3) This Agreement and all  agreements  related to this Agreement to
      which  either  OHSI or  Omega  is a party  have  been  duly  executed  and
      delivered by each of OHSI and Omega,  as  applicable,  and  constitute the
      legal,  valid, and binding agreement of each of OHSI and Omega enforceable
      in accordance  with their terms  (subject as to enforcement of remedies to
      the  discretion  of  the  courts  in  awarding  equitable  relief  and  to
      applicable bankruptcy, reorganization,  insolvency, moratorium and similar
      laws  affecting  the rights of creditors  generally).  The  execution  and
      delivery by each of OHSI and Omega of this Agreement,  and the performance
      of their respective  obligations  hereunder,  do not require any action or
      consent of any party other than Omega or OHSI  pursuant  to any  contract,
      agreement  or other  understanding  of Omega,  or pursuant to any order or
      decree  to which  Omega or OHSI is a party or to which its  properties  or
      assets are subject and will not violate any  provision of, the articles of
      incorporation  or  bylaws  of Omega or OHSI or any  order of any  court or
      other agency of the government.

                                      -81-

<PAGE>

            (4) To the best of such counsel's  knowledge,  with respect to Omega
      or OHSI there are no actions, suits, claims, proceedings or investigations
      pending or, to such counsel's knowledge,  threatened against Omega or OHSI
      at law or in equity, or before or by a federal,  state, municipal or other
      governmental   department,    commission,   board,   bureau,   agency   or
      instrumentality,  domestic or foreign,  or any  professional  licensing or
      disciplinary  authority  which  would  adversely  effect the  transactions
      contemplated herein or any party's right to enter into this Agreement.

            (5) Neither  OHSI nor Omega is in default with respect to any order,
      writ,  injunction  or  decree  of  any  court  or of any  federal,  state,
      municipal or other governmental  department,  commission,  board,  bureau,
      agency or  instrumentality,  domestic or foreign  which  would  affect the
      rights of OHSI and Omega to enter into and perform this Agreement;

            (6) The shares of OHSI Stock  issued to  Stockholder  have been duly
      and validly issued by OHSI,  with the  authorization  and approval of OHSI
      Board of  Directors,  and such OHSI Stock is duly paid and  non-assessable
      free  and  clear of all  liens  and  free of all  restrictions,  including
      transfer  restrictions  other than those imposed  under this  Agreement or
      under applicable federal and state securities laws.

      (g) OFFICER'S  CERTIFICATE.  A  Certificate  of each of OHSI's and Omega's
President and Secretary confirming the matters in SECTION 5.2(A); and

      (h) OTHER MERGER DOCUMENTS. All such documents and instruments Stockholder
and its counsel may reasonably  request in connection  with the  consummation of
the transactions contemplated by this Agreement.

      5.4  STOCKHOLDERS'  DELIVERIES.  At or prior to the  Closing,  Stockholder
shall deliver to the Corporations  and Leck, Omega and OHSI, as applicable,  the
following documents:

      (a)   CORPORATE  AND  SHAREHOLDER   RESOLUTIONS.   A  copy  of  director's
resolutions of PEN and PEN resources and a copy of the Shareholder's  resolution
certified by its respective corporate secretary or assistant secretary as having
been duly and  validly  adopted  and as being in full  force  and  effect on the
closing date, authorizing the execution and delivery by PEN and PEN Resources of
this  Agreement,  the other  instruments to be executed and delivered by PEN and
PEN Resources as provided  herein,  and the performance by PEN and PEN Resources
of the transactions contemplated hereby;

                                      -82-

<PAGE>

      (b)   STOCK CERTIFICATES.  Stock certificates,  representing the shares of
each  Corporation,  duly endorsed by Stockholder  for transfer or accompanied by
appropriate stock powers;

      (c)   EXECUTED  CONTRACTS.  Copies  of all  executed  contracts  or  other
material  agreements  entered into by or on behalf of the Corporations in excess
of $10,000;

      (d)   COPY OF  LEASES.  Copies of all real  estate  and  equipment  leases
pertaining to the Corporations in excess of $10,000;

      (e)   NONCOMPETE AND NONSOLICITATION  AGREEMENTS. The Noncompete Agreement
among Dr. Osias, the Corporations and OHSI; and the Contractor's Agreement among
Mr. Leck, the Corporations and Omega;

      (f)   EMPLOYMENT AGREEMENT.  The Employment Agreement between Mr. Leck and
PEN;

      (g)   CONSULTING  AGREEMENT.  The Consulting  Agreement between Dr. Osias,
PEN and OHSI;

      (h)   STOCK  PLEDGE  AGREEMENT.  The Stock  Pledge  and  Escrow  Agreement
between the Stockholder and OHSI;

      (i)   OPINION OF COUNSEL FOR  CORPORATIONS AND STOCKHOLDER . An opinion of
counsel for the  Corporations  and Stockholder  dated as of the Closing Date, in
form and substance reasonably satisfactory to Omega's counsel.

      (j)   OPINION OF COUNSEL FOR MR. LECK.  An opinion of counsel for Mr. Leck
confirming the  enforceability of the Contractor's  Agreement and the Employment
Agreement.

      (k)   OFFICER'S   CERTIFICATE.   A   certificate   from  officers  of  the
Corporations confirming the matters in SECTION 5.1(A) hereof; and

      (l)   OTHER MERGER DOCUMENTS. All such documents and instruments Omega and
its counsel may reasonably  request in connection  with the  consummation of the
transactions contemplated by this Agreement.

SECTION 6.  INDEMNIFICATION; SET-OFF.

      6.1 INDEMNIFICATION OF OMEGA. Stockholder shall indemnify, defend and hold
Omega   and  its   officers,   directors,   shareholders,   agents,   employees,
representatives,  successors  and assigns  harmless from and against any and all
damage,  loss, cost,  obligation,  claims,  demands,  assessments,  judgments or
liability (whether based on contract, tort, product liability,  strict liability
or otherwise),  including taxes, and all expenses (including interest, penalties


                                      -83-

<PAGE>

and reasonable  attorneys' and accountants' fees and disbursements)  incurred by
any of the above-named persons,  resulting from or in connection with any one or
more of the following:

      (a)   Misrepresentations,  breach of  warranties,  failure to perform  any
covenant or agreement of Stockholder contained herein, which has not been waived
in writing by Omega;

      (b) Any  liabilities  or obligations  of  Corporations  existing as of the
Closing Date and not  disclosed on the November 30, 1996 balance sheet or on the
disclosure schedule;

      (c) Claims,  actions or suits by former employees of Corporations  arising
out of events that took place on or before the Closing Date; or

      (d)   Corporations'   failure  to  discharge  pension  or  benefit  plan
obligations.

Omega agrees to give prompt notice to Stockholder of the assertion of any claim,
or the threat or commencement of any suit, action, proceeding or other matter in
respect of which indemnity may be sought under this SECTION 6.1. Stockholder may
participate in the defense of any such suit, action,  proceeding or other matter
at Stockholder's expense. Stockholder shall not be liable under this SECTION 6.1
for any settlement  effected without  Stockholder's  consent of any claim, suit,
action,  proceeding or other matter in respect of which  indemnity may be sought
under this SECTION 6.1, which consent shall not be unreasonably withheld.

      6.2 INDEMNIFICATION OF STOCKHOLDER. Omega shall indemnify, defend and hold
Stockholder and its respective agents,  representatives,  heirs,  successors and
assigns  harmless  from any and all  damage,  loss,  cost,  obligation,  claims,
demands,  assessments,  judgments or liability (whether based on contract, tort,
product  liability,  strict  liability or  otherwise),  including  taxes and all
expenses   (including   interest,   penalties  and  reasonable   attorneys'  and
accountants' fees and disbursements) incurred by any of the above-names persons,
resulting from or in connection with misrepresentations, breach of warranties or
failure  to  perform  any  covenant  or  Agreement  of Omega  contained  herein.
Stockholder  agree to give prompt notice to Omega of the assertion of any claim,
or the threat or commencement of any suit, action, proceeding or other matter in
respect of which  indemnity  may be sought  under this  SECTION  6.2.  Omega may
participate in the defense of any such suit, action,  proceeding or other matter
at Omega's  expense.  Omega shall not be liable  under this  SECTION 6.2 for any
settlement  effected  without  Omega's  consent  of  any  claim,  suit,  action,
proceeding  or other  matter in respect of which  indemnity  may be sought under
this SECTION 6.2, which consent shall not be unreasonably withheld.

      6.3 SECURITY FOR INDEMNITY.  To secure the indemnity  under this Agreement
and certain  other  agreements,  Omega and OHSI are  entitled to exercise  their
rights set forth in that certain Stock Pledge and Escrow Agreement,  dated as of
the Closing Date, to which OHSI, Omega and Stockholder are parties.

                                      -84-

<PAGE>

      6.4 LIMITATION ON INDEMNITY.  Neither  Stockholder nor Corporations  shall
have the obligation to indemnify  Omega and its affiliates  under this Agreement
for any amount until the  aggregate  indemnification  amount which Omega and its
affiliates  are entitled to exceeds Ten Thousand  Dollars  ($10,000).  Once that
threshold has been exceeded,  the  indemnification  obligation in favor of Omega
and its  affiliates  shall  apply as to all  amounts  in excess  of the  $10,000
threshold;  but such  amounts  shall  not  exceed  Six  Hundred  Fifty  Thousand
($650,000)  Dollars;  provided,  however that with regard to the types of claims
specified  in (ii),  (iii),  and (iv) of Section 6.5  hereof,  there shall be no
dollar limitation. While OHSI Stock owned by the Osias Trust is pledged pursuant
to the Stock Pledge and Escrow  Agreement,  then during such time Omega and OHSI
agree that any claim  hereunder  shall be  limited to the value of such  pledged
stock.

      6.5 The indemnity  obligations provided for in Sections 6.1 and 6.2 hereof
shall  terminate May 1, 1998,  except for (i) any matters  noticed prior to such
date,  in  accordance  with  the  Stock  Pledge  and  Escrow  Agreement  and the
provisions of Section 6.1 or 6.2 hereof,  (ii) any matters involving fraud which
shall have no time  limitation,  (iii) any matters  involving  tax claims  which
shall  terminate on the expiration of the  applicable  statute of limitations of
the taxing  authority,  and (iv) any matters  involving  environmental  or ERISA
matters, which shall terminate May 1, 2000.

SECTION 7.  AMENDMENT AND WAIVER.

      The parties  hereto may by mutual  agreement  amend this  Agreement in any
respect.  Any party hereto may extend the time for the performance of any of the
obligations of the other,  waive any  inaccuracies  and  representations  by the
other contained in this Agreement or in any document  delivered  pursuant hereto
which inaccuracies would constitute a breach of this Agreement, waive compliance
by  the  other  with  any of the  covenants  contained  in  this  Agreement  and
performance  of any  obligations by the other,  or waive the  fulfillment of any
condition  that is precedent to the  performance  by the party so waiving any of
its obligations under this Agreement. Any agreement on the part of any party for
any such  amendment,  extension  or waiver  must be in writing and signed by the
party agreeing to be bound  thereby.  No waiver of any of the provisions of this
Agreement  shall  be  deemed,  or  shall  constitute,  a  waiver  of  any  other
provisions, whether or not similar, nor shall any waiver constitute a continuing
waiver.

SECTION 8.  TERMINATION AND ABANDONMENT.

      8.1 METHODS OF  TERMINATION.  This  Agreement may be terminated  and the
transactions  contemplated  hereby may be  abandoned  at any time prior to the
Closing:

            (a)   by the mutual written consent of Stockholder and OHSI;

            (b)   by OHSI, if all of the conditions  set forth in SECTION 5.1 of
      this Agreement  shall not have been satisfied or waived on or prior to the
      Closing; or

                                      -85-

<PAGE>

            (c)   by  Stockholder  if all of the conditions set forth in SECTION
       5.2 of this Agreement shall not have been satisfied or waived on or prior
       to the Closing.

The following  provisions  notwithstanding,  this Agreement will terminate after
May 15, 1997, unless an extension of time is mutually agreed to, as evidenced by
written  consent  of  Stockholder  and OHSI.  If this  Agreement  is  terminated
pursuant to this  SECTION  8.1, it shall  become null and void and of no further
force or effect, except as provided in SECTION 8.2.

      8.2  PROCEDURE  UPON   TERMINATION.   In  the  event  of  termination  and
abandonment  of this  Agreement by  Stockholder or Omega pursuant to SECTION 8.1
hereof,  written notice  thereof shall  forthwith be given to the other party or
parties  as  provided   herein  and  this  Agreement  shall  terminate  and  the
transactions  contemplated hereby shall be abandoned,  without further action by
Stockholder or Omega,  and  Stockholder and Omega shall each return to the other
party any documents or copies  thereof in possession of such party  furnished by
such  other  party in  connection  with  the  transaction  contemplated  by this
Agreement.  If this Agreement is terminated as provided herein, no party to this
Agreement  shall have any liability or further  obligation to any other party to
this Agreement with respect to this Agreement or the  transactions  contemplated
hereby  except as provided  in this  SECTION  8.2;  provided,  however,  that no
termination of this Agreement pursuant to the provisions of this SECTION 8 shall
relieve any party of liability  for breach of any  provision  of this  Agreement
occurring prior to such  termination;  and provided,  further,  that any and all
confidential  or  proprietary  information  obtained  from either  party must be
returned to that party,  and each party  hereto  agrees to maintain  any and all
confidential  or  proprietary  information  obtained  from  the  other  party in
strictest  confidence  and not to divulge such  information  to any third party,
except as may be permitted or required by law as set forth in SECTION 12.7;  and
no termination  shall release any party from its  responsibility to pay expenses
as set forth in SECTION 12.14 herein.

SECTION 9.  BOARD OF DIRECTORS MEETINGS.

      For a period of two (2) years following the Closing Date, Mr. Leck and one
(1)  representative  member of the Corporations (the  "Representative")  will be
invited to attend all of OHSI's  Board of Directors  meetings,  as guests of the
Board of Directors.  The Representative will be designated by Dr. Osias, subject
to the approval of OHSI, which approval shall not be unreasonably  withheld. Mr.
Leck and the  Representative  shall be  subject  to the  same  insider  trading,
confidentiality and disclosure requirements as other of OHSI's Board Members. In
addition,  if an  opening  becomes  available  for an OHSI board seat held by an
optometrist,  which opening results either from a vacancy or an expansion of the
Board, then Dr. Osias has a one-time right to nominate a PEN member to fill such
board  seat.  The  nomination  is subject  to the  approval  of OHSI's  Board of
Directors, which approval shall not be unreasonably withheld.

                                      -86-

<PAGE>

SECTION 10.  MEDIATION AND ARBITRATION.

      10.1  MEDIATION.  In the event a dispute arises out of or relating to this
Agreement,  or the breach thereof, and if said dispute cannot be settled through
negotiation, the parties agree to attempt in good faith to settle the dispute by
mediation  under the  Commercial  Mediation  Rules of the  American  Arbitration
Association.  Unless the parties  reach an  agreement  reduced to writing,  this
mediation will be non-binding, but the parties must participate in good faith in
non-binding mediation, before resorting to binding arbitration.

      10.2  ARBITRATION.  Any controversy or claim arising out of or relating to
this  Agreement,  or its breach,  not satisfied  through  either  negotiation or
mediation,  shall be settled  by  binding  arbitration  in  accordance  with the
Commercial Arbitration Rules of the American Arbitration  Association.  Judgment
upon the award  rendered by the  arbitrator  may be entered in any court  having
jurisdiction.

      As soon as reasonably practicable after submission of a demand for binding
arbitration, OHSI and Stockholder shall select one arbitrator, agreeable to both
parties.  This  arbitrator  will be selected from lists prepared by the American
Arbitration  Association.  From the American  Arbitration  Association  list the
parties will submit to the  American  Arbitration  Association  a ranked list of
arbitrators which are acceptable.  The highest ranking acceptable candidate will
be selected by the American Arbitration Association.  If no arbitrators from the
list composed by the American  Arbitration  Association are acceptable by either
of the parties, the American Arbitration Association will compile a second list.
This  procedure  will be followed until the parties have selected an arbitrator.
The results of the arbitrator's finding will be binding on the parties.

SECTION 11.  EMPLOYEES; EMPLOYEE BENEFITS.

      11.1 AFFECTED EMPLOYEES. "Affected Employees" shall mean employees, a list
of which is attached  hereto as EXHIBIT  11.1,  of  Corporations  on the Closing
Date.

      11.2  RESPONSIBILITIES.  Prior to the Closing Date  Corporations  agree to
satisfy,  or cause its  insurance  carriers to satisfy,  all claims for medical,
health and hospital benefits,  whether insured or otherwise (including,  but not
limited  to,  workers  compensation,  life  insurance,  medical  and  disability
programs),  under Corporations' employee benefit plans brought by, or in respect
of, Affected Employees and former employees of Corporations prior to the Closing
Date.

      11.3 TERMINATION  BENEFITS.  Corporations shall be solely responsible for,
and  shall pay or cause to be paid,  severance  payments  and other  termination
benefits, if any, to Affected Employees who may become entitled to such benefits
by reason of any events  occurring  prior to the Closing  Date. If any action on
the  part  of  Corporations  prior  to  the  Closing,  or  if  the  transactions
contemplated  in this  Agreement  shall  result  in any  liability  or  claim of


                                      -87-

<PAGE>

liability for severance  payments or  termination  benefits,  or any  liability,
forfeiture,  fine or other  obligation by virtue of any state,  federal or local
law, such liability or claim of liability  shall be the sole  responsibility  of
Stockholder,  and  Stockholder  shall indemnify and hold harmless Omega from any
losses resulting directly or indirectly from such liability or claim.

      11.4 EMPLOYEE BENEFIT PLANS.  Within 90 days of Closing Date,  Stockholder
and the Surviving  Corporation  shall use their respective best efforts to cause
Corporations  to either  terminate  any employee  benefit  plans  maintained  by
Corporations or cause another entity to assume their sponsorship through merger,
consolidation  or transfer of plan assets as  described in  (beta)414(i)  of the
Internal Revenue Code of 1986, as amended.

SECTION 12.  GENERAL PROVISIONS.

      12.1  PARTIES IN INTEREST AND ASSIGNMENT.

            (a) This  Agreement is binding upon,  and is for the benefit of, the
      parties hereto and their  respective  successors  and authorized  assigns.
      Except as otherwise expressly provided, nothing in this Agreement, express
      or implied,  is intended or shall be  construed  to confer upon any person
      other than the  parties  hereto,  any right,  remedy,  or claim,  legal or
      equitable, under or by reason of this Agreement or any provision thereof.

            (b) Neither  this  Agreement  nor any of the rights or duties of any
      party  hereto may be  transferred  or assigned  to any person  except by a
      written  agreement  executed  by each of the parties  hereto,  except that
      Omega  reserves  the right to assign this  Agreement  to any  affiliate or
      successor  of itself  provided,  however,  that in such  event  OHSI shall
      guarantee  the  payment  and   performance  of  any  obligations  of  such
      affiliate.

      12.2  CHOICE  OF LAW;  VENUE.  This  Agreement  shall be  governed  by and
construed,  interpreted and enforced in accordance with the laws of the State of
California.  Any mediation or binding  arbitration  brought with respect to this
Agreement shall be conducted in Contra Costa County, California.

      12.3 ENTIRE  AGREEMENT.  This Agreement shall embody the entire  agreement
between the parties hereto with respect to the Merger and cancels and supersedes
all other previous agreements and understandings  relating to the subject matter
of this Agreement,  written or oral,  between the parties  hereto.  There are no
agreements,  representations  or warranties between the parties hereto as to the
subject  matter  hereof  other  than  those set forth or  provided  herein.  All
Exhibits and Schedules called for by this Agreement and delivered to the parties
shall be  considered a part hereof with the same force and effect as if the same
had been specifically set forth in this Agreement.

      12.4 SURVIVAL. The covenants,  representations and warranties contained in
this  Agreement  shall  survive  the  Closing  Date for a period of one (1) year
following the Closing Date,  except that for matters relating to (ii), (iii) and
(iv) of Section 6.5,  such  covenants,  representations,  and  warranties  shall
extend for the respective periods specified in Section 6.5 hereof.

                                      -88-

<PAGE>

      12.5 SECTION  HEADINGS.  The subject headings  contained in this Agreement
are  included  for  purposes  of  convenience  only,  and shall not  affect  the
construction or interpretation of its provisions.

      12.6  COUNTERPARTS.  This  Agreement  may be  executed  in any  number  of
counterparts,  each of which shall be deemed an original, but all of which shall
constitute one and the same instrument.

      12.7 CONFIDENTIALITY. The parties agree to maintain confidential the terms
and  conditions  of this  Agreement  and not to  disclose  any of such terms and
conditions to any  third-party  without the prior  written  consent of the other
party. Omega and OHSI will keep confidential any information (except as required
to be discussed by law and/or unless ascertainable from public sources) obtained
from  Corporations  in  connection  herewith and in the event this  agreement is
terminated,  will return to PEN all  documents,  work  papers and other  written
material obtained from or relating to Corporations.

      12.8 GENDER.  Masculine pronouns used in this Agreement shall be construed
to include feminine and neuter pronouns, and words in the singular shall include
the plural, unless the context requires otherwise.

      12.9 NOTICES.  Any notices hereunder shall be deemed to have been given by
one party to the other if it is in writing and it is (a)  delivered  or tendered
in person, or (b) deposited in the United States Mail in a sealed envelope, with
postage prepaid, in either case addressed as follows:

If to Omega or OHSI:                Omega Health Systems, Inc.
                                    5100 Poplar Avenue, Suite 2100
                                    Memphis, Tennessee  38137
                                    Attn:  Thomas P. Lewis

With a copy to:                     Baker, Donelson, Bearman & Caldwell
                                    2000 First Tennessee Building
                                    Memphis, Tennessee  38103
                                    Attn: Robert Walker

If to Stockholder or the Corporations:
                                    Leonard and Irene Osias
                                    49 Tennis Club Drive
                                    Danville, California 94526

And to:                             Allen Leck
                                    Primary EyeCare Network
                                    125 Ryan Industrial Center, Suite 101
                                    San Ramon, California 94583-1548

                                      -89-

<PAGE>

With a copy to:                     Allen, Matkins, Leck,  Gamble & Mallory, LLP
                                    501 West Broadway, Suite 900
                                    San Diego, California 92101
                                    Attn:  Joe M. Davidson

And to:                             Ms. Kathleen O'Blennis
                                    The Castleman Law Firm
                                    5870 Stoneridge Mall Rd., Suite 207
                                    Pleasanton, California  94588

or to such other  address as the parties  shall have  previously  designated  by
notice to the serving party, given in accordance with this SECTION 12.9. Notices
shall  be  deemed  to have  been  given  on the date of  delivery  if  delivered
personally,  or on the third day after  mailing  as  provided  above;  provided,
however,  that a notice not given as above shall, if it is in writing, be deemed
given if and when actually received by a party.

      12.10  SEVERABILITY.  Any  term or  provision  of this  Agreement  that is
invalid or unenforceable  in any  jurisdiction  shall not affect the validity or
enforceability  of the remaining terms and provisions  hereof or the validity or
enforceability  of the  offering  term in any  other  situation  or in any other
jurisdiction.

      12.11 FURTHER ASSURANCES.  From time to time after the date hereof, at the
request of a party hereto (the  "Requesting  Party"),  the other parties  shall,
without  further  consideration,  execute,  acknowledge and deliver such further
instruments of transfer and other assurances and shall take such other action as
the Requesting Party reasonably may request in order to effectuate the Merger or
any resulting transfer of assets as a result of the Merger.

      12.12  COUNTERPARTS.  This  Agreement  may be  executed  in any  number of
counterparts,  each of which shall be deemed an original, but all of which shall
constitute one and the same instrument.

      12.13  COSTS.  Should  any  mediation  or  binding  arbitration  ("Dispute
Resolution")  arising out of this  Agreement be  instituted by any party to this
Agreement against another party, the party prevailing in such Dispute Resolution
shall be entitled,  in addition to such other damages and relief as the mediator
or arbitration  shall award, to  reimbursement  of reasonable  attorneys'  fees,
costs and other expenses  incurred in the prosecution or defense of such Dispute
Resolution.

      12.14 EXPENSES.  Except as otherwise provided herein,  each of the parties
shall  pay its own  costs  and  expenses  incurred  or to be  incurred  by it in
negotiating  and preparing this Agreement and in consummating  the  transactions


                                      -90-

<PAGE>

contemplated by this Agreement,  except that the Corporations  will pay the fees
and  expenses  incurred  by  Stockholder,  the  Corporations  and Allen  Leck in
connection with the transactions contemplated in this Agreement, up to a maximum
of Eighty Thousand Dollars ($80,000).

      IN WITNESS  THEREOF the parties  hereto have executed this Agreement as of
the day and year first above written.

                                    OMEGA:

                                    OMEGA ACQUISITION SUBSIDIARY, INC.

By:  /s/ Todd Smith                 By: /s/ Ronald L. Edmonds
    ------------------------------     -----------------------------------------
Todd Smith, Assistant Secretary      Ronald L. Edmonds, Executive Vice President


                                    OMEGA HEALTH SYSTEMS, INC.

By: /s/ Todd Smith                  By: /s/ Ronald L. Edmonds
    ------------------------------     -----------------------------------------
Todd Smith, Assistant Secretary      Ronald L. Edmonds, Executive Vice President

                                    STOCKHOLDER:

                                    OSIAS FAMILY TRUST
                                    DATED AUGUST 18, 1988

                                    By: /s/ LEONARD OSIAS
                                       -----------------------------------------
                                          LEONARD OSIAS, O.D., TRUSTEE
 
                                    By: /s/ IRENE OSIAS
                                       -----------------------------------------
                                          IRENE OSIAS, TRUSTEE


                                    CORPORATIONS:

                                    PRIMARY EYECARE NETWORK


By:  /s/ Irene Osias                By:  /s/ Allen Leck
    ------------------------------      ----------------------------------------
      Irene Osias, Secretary         Allen Leck, President



                                    P.E.N. RESOURCES, INC.

By: /s/ Irene Osias                 By: /s/ Allen Leck
    ------------------------------     -----------------------------------------
      Irene Osias, Secretary         Allen Leck, President


                                      -91-

<PAGE>



                                    JOINDER


      LEONARD  OSIAS,  O.D.,  joins in this  Agreement  for the  purpose  of (i)
guaranteeing the representations and warranties of the Corporations set forth in
SECTION 3 hereof and (ii) personally  guaranteeing  the payment of any sums owed
under SECTION 6.1 or SECTION 6.3 hereof,  subject to the  limitations of Section
6.4 and 6.5 hereof.



April 30, 1997
                               LEONARD OSIAS, O.D.



                                    JOINDER

      ALLEN LECK joins in this  Agreement  for the purpose of (i)  acknowledging
the payment to him recited in SECTION 2.1 of this  Agreement is in  satisfaction
of Dr. Osias'  obligation to him under the  employment  agreement by and between
Mr. Leck and Dr. Osias,  attached hereto as SCHEDULE 2.1.1,  (ii)  acknowledging
that the employment  agreement  attached as SCHEDULE 2.1.1 to this Agreement has
been  terminated  and is of no  further  force or  effect,  (iii)  acknowledging
receipt of the original  Promissory  Note delivered by Omega pursuant to Section
2.1 hereof, and (iv) confirming those  representations and warranties in SECTION
3 in which he is specifically named.


April 30, 1997
                                   ALLEN LECK






















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