OPHTHALMIC IMAGING SYSTEMS INC
10KSB, EX-2.5, 2000-12-13
SURGICAL & MEDICAL INSTRUMENTS & APPARATUS
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                          SECURITIES PURCHASE AGREEMENT

         This  SECURITIES  PURCHASE  AGREEMENT,  dated as of July 13, 2000 (this
"Agreement"),  is  entered  into by and  among  Ophthalmic  Imaging  Systems,  a
California  corporation  ("OIS"),  Premier  Laser  Systems,  Inc.,  a California
corporation   ("Premier")  and  MediVision  Medical  Imaging  Ltd.,  an  Israeli
corporation ("MediVision").

                                   WITNESSETH:

         WHEREAS,  Premier owns, beneficially and of record, 2,131,758 shares of
OIS common stock (the "Premier Common") and 150 shares of OIS Series B Preferred
Stock (the "Premier Series B Preferred"), and Premier is a party to that certain
Agreement, dated as of October 21, 1999 (the "Series B Purchase Agreement"),  by
and  between  OIS and  Premier,  whereby  Premier  has  the  right  to  purchase
additional  shares of Series B Preferred  Stock upon the exercise of outstanding
OIS options held by OIS employees and directors;

         WHEREAS, pursuant to that certain Manufacturing Agreement,  dated March
7, 1999, by and between OIS and Premier (the "Manufacturing Agreement"), Premier
owns certain  inventory of OIS products and materials (the "Premier  Inventory")
used in the manufacture of certain OIS products;

         WHEREAS,  Premier has asserted that OIS owes certain amounts to Premier
including, but not limited to, a promissory note in the principal amount of five
hundred  thousand  dollars  ($500,000),  dated April 30, 1998,  plus accrued and
unpaid interest  thereon and additional  advances in the  approximate  amount of
$1,608,000 (the "Premier Note," and the Premier Note and the additional  amounts
owed to Premier are referred to herein as the "Premier Debt");

         WHEREAS,  OIS has asserted that it has certain  defenses and offsets to
the Premier Debt, which Premier disputes;

         WHEREAS,  OIS and Premier have made claims  against each other relating
to the  Manufacturing  Agreement and certain  other aspects of the  relationship
between them;

         WHEREAS, in connection with the transactions  contemplated  hereby, OIS
and Premier wish to resolve all disputes and terminate  all existing  agreements
between the companies;

         WHEREAS, Premier wishes to sell to MediVision, and MediVision wishes to
purchase from  Premier,  the Premier  Debt,  the Premier  Common and the Premier
Series B Preferred;

         WHEREAS,  Premier wishes to sell and OIS wishes to purchase the Premier
Inventory, on the terms and conditions set forth herein;

         WHEREAS,  MediVision  wishes to provide  $1,500,000 of working  capital
financing  to OIS,  which  obligations  shall be  convertible,  at  MediVision's
option, into shares of OIS common

<PAGE>

stock (the "OIS Common") pursuant to a Working Capital Funding Agreement,  dated
as of July 13, 2000, between OIS and MediVision (the "Funding Agreement");

         WHEREAS,  MediVision is willing to loan OIS up to two hundred and sixty
thousand  dollars  ($260,000)  (the  "Loan"),  pursuant  to a Loan and  Security
Agreement between OIS and MediVision (the "Security Agreement"), to allow OIS to
purchase certain inventory,  including the Premier Inventory, which Loan will be
secured by the inventory so purchased and the proceeds thereof, as collateral;

         NOW,  THEREFORE,   in  consideration  of  the  mutual  representations,
warranties, promises and covenants set forth herein, the parties hereto agree as
follows:

                                    ARTICLE I

                                  DEFINED TERMS

         1.1.  Definitions.  The following  terms,  when used in this Agreement,
have the following meanings, unless the context otherwise indicates:

         "Affiliate"  has the  meaning  ascribed  to it in Rule 12b-2  under the
Exchange Act.

         "Commission Documents" means all reports,  schedules, forms, statements
and other  documents  required  to be filed  with the  Securities  and  Exchange
Commission pursuant to the reporting requirements of the Exchange Act, including
material filed pursuant to Section 13(a) or 15(d) of the Exchange Act.

         "Exchange Act" means the  Securities  Exchange Act of 1934, as amended,
or any successor federal law then in force.

         "Governmental  Body"  means  any  agency,  bureau,  commission,  court,
department,  official, political subdivision,  tribunal or other instrumentality
of any government, whether federal, state, county or local, domestic or foreign.

         "Lien" means any mortgage,  deed of trust,  pledge,  security interest,
hypothecation,   assignment,  encumbrance,   encroachment,  lien  (statutory  or
otherwise),  claim, option,  reservation,  priority,  preferential  arrangement,
easement, encumbrance or interest of any kind.

         "Material Adverse Effect" means any effect on the business,  results of
operations,  prospects,  properties, assets or financial condition of the entity
in question that is material and adverse to such entity.

         "Person"  means  any  individual,  corporation,   partnership,  limited
liability company, joint venture, association,  governmental entity or any other
entity.

         "Premier  Assets"  means the  Premier  Debt,  the Premier  Common,  the
Premier Series B Preferred and the Premier Inventory.

                                       2

<PAGE>

         "Registration  Rights Agreement" means a registration  rights agreement
to be entered into  between  MediVision  and OIS in the form  annexed  hereto as
Exhibit B with  respect to the  registration  of the capital  stock of OIS to be
acquired by MediVision pursuant to this Agreement and the Funding Agreement,  as
described therein.

         "Regulation" means (1) any applicable law, rule, regulation, ordinance,
judgment,  decree,  ruling,  order, award,  injunction,  recommendation or other
official  action of any  Governmental  Body, and (2) any official  change in the
interpretation  or  administration  of any of the foregoing by the  Governmental
Body or by any  other  Governmental  Body or other  person  responsible  for the
interpretation or administration of any of the foregoing.

         "Securities  Act" means the Securities Act of 1933, as amended,  or any
successor federal law then in force.

         "Transaction  Documents" means this Agreement,  the Funding  Agreement,
the Registration Rights Agreement and the Security Agreement.

         "Transactions"  means,   collectively,   the  transactions   undertaken
pursuant to, or otherwise contemplated by, the Transaction Documents.

         1.2 Additional  Definitions.  Additional defined terms are found in the
body of this  Agreement.  In addition,  the masculine form of words includes the
feminine  and the neuter and vice  versa,  and,  unless  the  context  otherwise
requires,  the singular  form of words  includes the plural and vice versa.  The
words "herein,"  "hereof,"  "hereunder," and other words of similar import, when
used in this  Agreement,  refer to this  Agreement  as a  whole,  and not to any
particular section or subsection.

                                   ARTICLE II

                        PURCHASE AND SALE TERMS; CLOSING

         2.1 Purchase and Sale of the Premier Debt,  Premier  Shares and Premier
Inventory.

                  (a)  Purchase and Sale of Premier  Debt.  Subject to the terms
and conditions of this  Agreement,  at the Closing (as defined  below),  Premier
shall sell, assign, transfer,  convey and deliver to MediVision,  and MediVision
shall purchase,  acquire and accept from Premier,  all right, title and interest
in and to the Premier  Debt,  free and clear of any and all Liens.  Prior to the
Closing,  and as a condition  thereto,  Premier and OIS shall amend the terms of
the Premier Debt to provide that,  subject to, and effective as of, the Closing,
all amounts due and payable with respect to the Premier Debt shall automatically
be  converted  into OIS Common at a conversion  price per share of $0.55,  which
amendment  (the  "Premier  Debt  Amendment")  shall  be in  form  and  substance
reasonably satisfactory to MediVision.

                  (b) Purchase and Sale of Premier Shares.  Subject to the terms
and conditions of this Agreement,  at the Closing,  Premier shall sell,  assign,
transfer,  convey and deliver to  MediVision,  and  MediVision  shall  purchase,
acquire and accept from  Premier,  all right,  title and  interest in and to the
Premier  Common and the Premier Series B Preferred  (collectively,  the "Premier
Shares"),  free and clear of any and all Liens, other than restrictions  imposed
by  federal

                                       3
<PAGE>

or state  securities  laws.  Pursuant to the  Certificate  of  Determination  of
Preferences  of Series B Preferred  Stock of OIS, the Premier Series B Preferred
shall  automatically  convert into shares of OIS common  stock upon  transfer by
Premier.

                  (c)  Purchase  and Sale of Premier  Inventory.  Subject to the
terms and  conditions  of this  Agreement,  at the Closing,  Premier shall sell,
assign, transfer, convey and deliver to OIS and OIS shall purchase,  acquire and
accept  from  Premier  (with the  funding  for such  purchase  to be provided by
MediVision), all right, title and interest in and to the Premier Inventory, free
and clear of all Liens,  determined to be in useable and in good condition after
a physical  inventory  conducted  jointly by OIS and  Premier,  for an aggregate
purchase price of up to six hundred and twenty five thousand dollars ($625,000),
as determined in accordance with Section 2.3.

                  (d) Payment; Deliveries. At the Closing, Premier shall deliver
to  MediVision  the  following:  (i) the  original  Premier Note and evidence of
transfer of the balance of the Premier Debt,  with the Note endorsed in favor of
MediVision in form and substance  reasonably  satisfactory to MediVision and its
counsel,  together with the Premier Debt Amendment,  duly executed and delivered
by OIS and Premier; (ii) the stock certificate or certificates  representing the
Premier Common Stock and the stock certificate or certificates  representing the
Premier Series B Preferred,  together with stock powers duly executed by Premier
and in form and  substance  suitable  for  transfer  of the  Premier  Shares  to
MediVision; (iii) a certificate,  dated as of the Closing Date and duly executed
by an executive officer of Premier,  certifying that each of the representations
and warranties of Premier set forth in Article III hereof are true,  correct and
complete as of the date hereof and as of the Closing Date,  and that Premier has
performed and satisfied  all  covenants,  agreements  and  obligations  required
hereunder to be performed  and  satisfied by it on or prior to the Closing Date;
and (iv) the written consent, if required,  of Premier's lenders to the transfer
of the Premier Debt, Premier Shares and/or the Premier Inventory.  The aggregate
purchase  price  for the  Premier  Debt,  the  Premier  Shares  and the  Premier
Inventory  (with  $625,000  (subject  to  adjustment)  of  such  purchase  price
allocated to the Premier Inventory in accordance with Section 2.3) shall consist
of the following (1) two million,  two hundred  thousand  dollars  ($2,200,000),
assuming  no  adjustment  to the value of the  Premier  Inventory,  paid by wire
transfer on the Closing Date to an account  designated in writing by Premier and
(2) registered and freely  transferable  ordinary shares of MediVision valued at
$1,000,000 in the aggregate (the  "MediVision  Shares")  delivered to Premier on
the Closing Date, which valuation shall be based on the average closing price of
such MediVision Shares on the Brussels  EURO.N.M.  for the five (5) trading days
immediately  preceding  the  date  of  Bankruptcy  Court  Approval  (hereinafter
defined).  The  delivery  of the  MediVision  Shares  shall  be  conditioned  on
Premier's undertaking not to effect any sales of such shares for a period of six
weeks following  Bankruptcy Court Approval,  with weekly sales thereafter not to
exceed  an  aggregate  of 20% of the  number  of  MediVision  Shares  originally
delivered  to  Premier.  MediVision  shall  have the  option to  repurchase  the
MediVision  Shares from Premier at any time after the Closing for  $1,000,000 in
cash,  less any gross proceeds  realized by Premier from its prior sales of such
MediVision  Shares,  in  accordance  with  the  provisions  of the Put and  Call
Agreement,  to be entered into by Premier and MediVision at the Closing,  in the
form of Exhibit B annexed hereto (the "Put and Call  Agreement").  To the extent
that Premier fails to realize  $1,000,000 of gross proceeds  within eleven weeks
of the Closing,  MediVision  shall, upon Premier's  request,  pay to Premier the
difference in cash, in accordance  with the terms of the Put

                                       4
<PAGE>

and Call Agreement. At the Closing,  Premier shall deliver the Premier Inventory
to OIS and the Premier Debt and the Premier Shares to MediVision.

                  (e) Closing.  The consummation of the purchase and sale of the
Premier Debt,  the Premier  Shares and the Premier  Inventory  (the  "Closing"),
shall  take  place on the  first  business  day  following  satisfaction  of the
conditions in Article VII and approval of the transactions  contemplated  herein
by the U.S.  Bankruptcy Court (the "Bankruptcy  Court") having jurisdiction over
Premier's proceeding under Chapter 11 of the U.S. Bankruptcy Code (such approval
referred  to  herein  as the  "Bankruptcy  Court  Approval"),  at the  principal
business office of Premier or at such other place or date thereafter as Premier,
OIS and MediVision may agree in writing.

         2.2 Termination of Certain Agreements.  Upon the Closing,  the Series B
Purchase Agreement and the Manufacturing Agreement shall terminate, and shall be
of no further force or effect.

         2.3 Inventory Adjustments.  The purchase price of the Premier Inventory
will be reduced,  on a dollar for dollar basis,  if and to the extent that,  the
value of Premier Inventory is less than $625,000. Such value shall be based upon
a physical inventory conducted by representatives of Premier and OIS jointly, as
soon as possible, after execution of this Agreement and will identify quantities
and types of materials on hand. The value of the Premier  Inventory,  other than
finished  goods,  shall then be determined by the  application  of historical or
current cost, whichever is lower, of the raw materials or material components of
work in process so identified. The value of any finished goods shall be based on
the contract  price for those products under the  Manufacturing  Agreement.  Any
purchases  of raw  materials,  work in progress or finished  goods from  Premier
Inventory  by OIS before the Closing  shall  similarly  cause a reduction in the
value of Premier Inventory by the amount of the purchase.

         2.4 Mutual Release.  At the Closing,  OIS and Premier shall execute and
deliver the mutual release referred to in Section 7.1(e).

                                   ARTICLE III

                    REPRESENTATIONS AND WARRANTIES OF PREMIER

         Premier  hereby  represents  and  warrants  to  MediVision  and  OIS as
follows:

         3.1 Power and Capacity;  Authorization.  Premier is a corporation  duly
organized,  validly existing and in good standing under the laws of the State of
California. Subject to the requirements of the Bankruptcy Code, Premier has full
corporate power and authority to conduct its business as presently  conducted by
it and to own,  lease or operate its assets and  properties as presently  owned,
leased and  operated  by it and to execute  and deliver  this  Agreement  and to
consummate the transactions  contemplated  hereby. The execution and delivery of
this Agreement and the consummation of the transactions contemplated hereby have
been duly and validly  authorized  by the Board of Directors of Premier,  and no
other corporate proceedings by Premier are necessary to authorize this Agreement
or to consummate the  transactions  contemplated  hereby.  Subject to Bankruptcy
Court  Approval  (as  hereinafter  defined),  this

                                       5
<PAGE>

Agreement  has been duly and validly  executed and  delivered  by Premier,  and,
assuming this  Agreement  constitutes a legal,  valid and binding  obligation of
each of the  other  parties  hereto,  constitutes  a legal,  valid  and  binding
agreement of Premier,  enforceable  against Premier in accordance with its terms
(subject,  as  to  the  enforcement  of  remedies,  to  applicable   bankruptcy,
reorganization,  insolvency,  moratorium and similar laws  affecting  creditors'
rights,  and,  with  respect to the remedy of  specific  performance,  equitable
doctrines applicable thereto).

         3.2 No Conflicts.  Subject to Bankruptcy Court Approval, the execution,
delivery and  performance of this Agreement by Premier will not (a) constitute a
breach or violation of any provisions of Premier's  Articles of Incorporation or
Bylaws,  (b) result in a  violation  of any law,  rule,  ordinance,  regulation,
order, judgment or decree applicable to or by which Premier or any of its assets
or properties is bound, or (c) conflict with or result in a breach of or default
(or any event which,  with the giving of notice or lapse of time or both,  would
constitute  a breach or  default)  under any  mortgage,  lien,  lease,  license,
permit,  agreement,  contract or  instrument  to which  Premier is a party or by
which its assets or properties is bound, which conflict, breach or default would
have a  material  adverse  effect on the  ability  of  Premier  to  perform  its
obligations under this Agreement.

         3.3 Ownership of Securities. Premier is the record and beneficial owner
of the  Premier  Common and  Premier  Series B  Preferred  and the holder of all
legal,  equitable and beneficial right, title and interest in and to the Premier
Debt,  free  and  clear of any and all  Liens,  except  for,  in the case of the
Premier  Shares,  restrictions  imposed  by federal  or state  securities  laws.
Premier  has not sold,  assigned,  transferred  or  conveyed,  or  attempted  or
purported to sell, assign,  transfer or convey, to any Person any portion of the
Premier Shares or any right,  title or interest  therein or in or to the Premier
Debt.

                                   ARTICLE IV

                  REPRESENTATIONS AND WARRANTIES OF MEDIVISION

         MediVision  hereby  represents  and  warrants  to  Premier  and  OIS as
follows:

         4.1 Power and Capacity; Authorization. MediVision is a corporation duly
organized,  validly  existing  and in good  standing  under the laws of  Israel.
MediVision  has full  corporate  power and  authority to conduct its business as
presently conducted by it and to own, lease or operate its assets and properties
as  presently  owned,  leased and operated by it and to execute and deliver this
Agreement and to consummate the transactions  contemplated hereby. The execution
and  delivery  of  this  Agreement  and  the  consummation  of the  transactions
contemplated  hereby have been duly and validly authorized by MediVision's board
of directors  or other  governing  body and no other  corporate  proceedings  by
MediVision  are  necessary to authorize  this  Agreement  or to  consummate  the
transactions  contemplated  hereby.  This  Agreement  has been duly and  validly
executed and delivered by MediVision and, assuming this Agreement  constitutes a
legal,  valid  and  binding  obligation  of each of the  other  parties  hereto,
constitutes  a legal,  valid and binding  agreement of  MediVision,  enforceable
against MediVision in accordance with its terms (subject,  as to the enforcement
of remedies, to applicable bankruptcy,  reorganization,  insolvency,  moratorium
and similar laws affecting creditors' rights, and, with respect to the remedy of
specific performance, equitable doctrines applicable thereto).

                                       6
<PAGE>

         4.2 No  Conflicts.  The  execution,  delivery and  performance  of this
Agreement  by  MediVision  will not (a)  constitute a breach or violation of any
provisions of  MediVision's  articles of  incorporation  or bylaws or comparable
charter  documents,  (b)  result in a  violation  of any law,  rule,  ordinance,
regulation,  order,  judgment or decree  applicable to or by which MediVision or
any of its assets or  properties  is bound,  or (c) conflict with or result in a
breach of or default (or any event which,  with the giving of notice or lapse of
time or both,  would  constitute a breach or default) under any mortgage,  lien,
lease, license, permit, agreement, contract or instrument to which MediVision is
a party or by which  MediVision  or any of its  assets or  properties  is bound,
which  conflict,  breach or default would have a material  adverse effect on the
ability of MediVision to perform its obligations under this Agreement.

         4.3  Investigation and Economic Risk.  MediVision  acknowledges that it
has had an opportunity to discuss the business,  affairs,  financial  condition,
results of operations and current prospects of OIS with the officers,  directors
and employees of OIS and to conduct  reasonable  diligence  efforts.  MediVision
acknowledges that it is able to fend for itself in the transactions contemplated
by this  Agreement  and has  the  ability  to bear  the  economic  risks  of its
investment pursuant to this Agreement.

         4.4 Purchase for Own Account.  The Premier Shares, the Premier Debt and
the OIS Shares are being  acquired by MediVision  for its own account,  not as a
nominee  or  agent,  and not  with a view to or in  connection  with the sale or
distribution of any part thereof.

         4.5 Exempt from  Registration  and  Restricted  Securities.  MediVision
understands  that the Premier Shares and the Premier Debt will not be registered
under the  Securities  Act, on the grounds  that the sales  provided for in this
Agreement are exempt from  registration  under the Securities  Act, and that the
reliance  of  Premier  and  OIS on  such  exemption  is  predicated  in  part on
MediVision's representations set forth in this Agreement. MediVision understands
that the  Premier  Shares and the Premier  Debt being  purchased  hereunder  are
restricted  securities  within the meaning of Rule 144 under the  Securities Act
and that they are not registered and must be held  indefinitely  unless they are
subsequently  registered or an exemption from such registration is available. It
is further understood that each certificate  representing Premier Shares and any
other  securities  issued in respect of the any of the foregoing  upon any stock
split,  stock  dividend,  recapitalization,  merger,  or similar  event shall be
stamped or otherwise  imprinted with an  appropriate  restrictive  legend.  Each
certificate  representing  the Premier  Shares may be endorsed  with any legends
required by any state blue sky laws and/or the following legend:

         THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED
         UNDER THE  SECURITIES  ACT OF 1933,  AS  AMENDED  (THE  "ACT")  AND ARE
         "RESTRICTED  SECURITIES" AS DEFINED IN RULE 144  PROMULGATED  UNDER THE
         ACT.  THE  SECURITIES  MAY NOT BE SOLD OR OFFERED FOR SALE OR OTHERWISE
         DISTRIBUTED  EXCEPT (i) IN CONJUNCTION  WITH AN EFFECTIVE  REGISTRATION
         STATEMENT FOR THE SHARES UNDER THE ACT,  (ii) IN  COMPLIANCE  WITH RULE
         144, OR (iii)  PURSUANT TO AN OPINION OF COUNSEL,  SATISFACTORY  TO THE
         CORPORATION, THAT SUCH REGISTRATION OR COMPLIANCE IS NOT REQUIRED AS TO
         SAID SALE, OFFER OR DISTRIBUTION.

                                       7
<PAGE>

         4.6 Accredited Investor. MediVision is an "accredited investor" as such
term is defined in Regulation D promulgated under the Securities Act.

         4.7 Issuance of MediVision  Shares. At the time of the delivery thereof
to  Premier,  the  MediVision  Shares  shall  have been duly  authorized  by all
necessary  corporate action and, when paid for and issued in accordance with the
terms hereof,  the MediVision  Shares shall be validly  issued and  outstanding,
fully paid and nonassessable.

                                    ARTICLE V

                      REPRESENTATIONS AND WARRANTIES OF OIS

         OIS  hereby  represents  and  warrants  to  MediVision  and  Premier as
follows:

         5.1  Power  and  Capacity;  Authorization.  OIS is a  corporation  duly
organized,  validly existing and in good standing under the laws of the State of
California.  OIS has full corporate  power and authority to conduct its business
as  presently  conducted  by it and to own,  lease or  operate  its  assets  and
properties  as  presently  owned,  leased and  operated by it and to execute and
deliver this Agreement and to consummate the transactions  contemplated  hereby.
The  execution  and  delivery  of this  Agreement  and the  consummation  of the
transactions  contemplated  hereby have been duly and validly  authorized by the
Board  of  Directors  of OIS,  and no  other  corporate  proceedings  by OIS are
necessary  to  authorize  this  Agreement  or  to  consummate  the  transactions
contemplated  hereby.  This  Agreement  has been duly and validly  executed  and
delivered by OIS, and,  assuming this Agreement  constitutes a legal,  valid and
binding  obligation  of each of the other parties  hereto,  constitutes a legal,
valid and binding agreement of OIS,  enforceable  against OIS in accordance with
its terms (subject, as to the enforcement of remedies, to applicable bankruptcy,
reorganization,  insolvency,  moratorium and similar laws  affecting  creditors'
rights,  and,  with  respect to the remedy of  specific  performance,  equitable
doctrines applicable thereto).

         5.2 No  Conflicts.  The  execution,  delivery and  performance  of this
Agreement by OIS will not (a) constitute a breach or violation of any provisions
of Articles of  Incorporation or Bylaws of OIS, (b) result in a violation of any
law, rule, ordinance,  regulation, order, judgment or decree applicable to or by
which any of them or any of their  respective  assets or properties is bound, or
(c) conflict with or result in a breach of or default (or any event which,  with
the  giving  of notice or lapse of time or both,  would  constitute  a breach or
default) under any mortgage, lien, lease, license, permit,  agreement,  contract
or  instrument to which any of them is a party or by which any of them or any of
their  respective  assets or  properties  is bound,  which  conflict,  breach or
default  would have a material  adverse  effect on the ability of OIS to perform
its respective obligations under this Agreement.

         5.3  Capitalization.  The authorized  capital stock of OIS, on the date
hereof, consists of 20,000,000 shares of common stock, of which 4,305,428 shares
are issued and outstanding, 100,000 shares of Series A Preferred Stock, of which
none is outstanding,  and 2,000 shares of Series B Preferred Stock, of which 150
shares are  outstanding.  The rights,  preferences and privileges of such shares
are as set forth in the  Articles  of  Incorporation,  as  amended,  and certain
Certificates of Designations  thereto.  All issued and outstanding shares of the
Company's  capital stock (i) have been duly authorized and validly issued,  (ii)
are fully paid and  nonassessable,  and

                                       8
<PAGE>

(iii) were issued in  compliance  with all  applicable  state and  federal  laws
concerning the registration and qualification of the issuance of securities. OIS
has reserved an  aggregate of 1,544,345  shares of its common stock for issuance
upon exercise of currently outstanding options granted to employees, consultants
and others.  Except as set forth on Schedule 3.3, there are no other outstanding
options,  warrants, rights (including conversion or preemptive rights and rights
of first refusal),  proxy or shareholder  agreements,  or agreements of any kind
for the purchase or acquisition  from OIS of any OIS  securities,  other than as
set forth in the Series B Purchase Agreement between OIS and Premier.

         5.4 Issuance of Stock.  The Premier  Shares to be purchased  under this
Agreement have been duly authorized by all necessary  corporate action and, when
paid for or issued in accordance with the terms hereof, the Premier Shares shall
be validly issued and outstanding, fully paid and nonassessable.

         5.5 Commission Documents; Financial Statements. The common stock of OIS
is registered  pursuant to Section 12(b) or 12(g) of the Securities and Exchange
Act of 1934, as amended (the "Exchange Act"). As of their respective  dates, the
Form 10-K for the year ended  August 31,  1999 and the Forms 10-Q for the fiscal
quarters  ended  November  30,  1999  and  February  29,  2000  (the  "Financial
Statements") and all other Commission Documents filed by OIS with the Commission
after December 31, 1998 complied in all material  respects with the requirements
of the Securities  Exchange Act of 1934, as amended (the "Exchange Act") and the
rules  and   regulations  of  the  Securities  and  Exchange   Commission   (the
"Commission")  promulgated  thereunder and other federal,  state and local laws,
rules and regulations applicable to such documents,  and, as of their respective
dates,  neither the Form 10-K nor the Forms 10-Q referred to above contained any
untrue statement of a material fact or omitted to state a material fact required
to be stated  therein or necessary in order to make the statements  therein,  in
light of the  circumstances  under  which they were made,  not  misleading.  The
Financial  Statements have been prepared in accordance  with generally  accepted
accounting  principles ("GAAP") applied on a consistent basis during the periods
involved (except (i) as may be otherwise indicated in such financial  statements
or the notes thereto or (ii) in the case of unaudited interim statements, to the
extent they may not include footnotes or may be condensed) and fairly present in
all material respects the financial  position of OIS as of the dates thereof and
the results of operations and cash flows for the periods then ended (subject, in
the case of unaudited statements, to normal year-end audit adjustments).

         5.6 Subsidiaries.  OIS has no subsidiaries,  either partially or wholly
owned.

         5.7 No  Undisclosed  Liabilities.  Except as disclosed in the Financial
Statements  or on Schedule 3.7 hereto,  to its  knowledge,  OIS has not incurred
since February 29, 2000 any liabilities,  obligations, claims or losses (whether
liquidated or unliquidated,  secured or unsecured, absolute, accrued, contingent
or otherwise) that would have a Material Adverse Effect.

         5.8 Indebtedness.  Schedule 3.8 hereto sets forth as of the date hereof
all outstanding secured and unsecured  Indebtedness of OIS, or for which OIS has
commitments,  other than the Premier Debt.  For the purposes of this  Agreement,
"Indebtedness" shall mean (a) any liabilities for borrowed money or amounts owed
in excess of $10,000 (other than trade accounts payable

                                       9
<PAGE>

incurred in the  ordinary  course of  business,  including,  but not limited to,
legal fees), (b) all guaranties,  endorsements and other contingent  obligations
in respect of Indebtedness  of others,  whether or not the same are or should be
reflected in the balance sheet of OIS (or the notes thereto),  except guaranties
by  endorsement of negotiable  instruments  for deposit or collection or similar
transactions  in the ordinary  course of business;  and (c) the present value of
any  lease  payments  in  excess  of $5,000  due  under  leases  required  to be
capitalized in accordance with GAAP. Except as disclosed in Schedule 3.8, OIS is
not in default with respect to any Indebtedness other than Premier Debt.

         5.9 Certain  Fees.  No brokers,  finders or financial  advisory fees or
commissions will be payable by OIS with respect to the transactions contemplated
by this Agreement.

         5.10  Disclosure.  Neither this Agreement nor the Schedules  hereto nor
any of the Commission  Documents  furnished to MediVision by or on behalf of OIS
in connection with the transactions  contemplated by this Agreement  contain any
untrue  statement of a material fact or omits to state a material fact necessary
in order to make the  statements  made  herein or  therein,  in the light of the
circumstances  under and at the time at which they were made  herein or therein,
not misleading.

         5.11   Employees.   OIS  does  not  have  any   collective   bargaining
arrangements or agreements covering any of its employees, except as set forth on
Schedule 3.11 hereto.

         5.12 Title to Assets.  Except as set forth on  Schedule

         3.12, OIS has good and marketable title to all of its real and personal
property having a value in excess of $1,000, free and clear of any Liens, except
for those indicated on Schedule 3.12 hereto.

         5.13 Actions Pending. Except as set forth on Schedule 3.13, there is no
action, suit, claim, investigation or proceeding pending or, to the knowledge of
OIS,  threatened  against OIS which  questions the validity of this Agreement or
the transactions contemplated hereby or any action taken or to be taken pursuant
hereto or thereto. Except as disclosed in the Commission Documents filed by OIS,
there is no action, suit, claim,  investigation or proceeding pending or, to the
knowledge of OIS,  threatened,  against or  involving  OIS,  its  properties  or
assets.  Except as disclosed in the Commission Documents filed by OIS, there are
no outstanding orders, judgments,  injunctions,  awards or decrees of any court,
arbitrator  or  Governmental  Body  against OIS which could result in a Material
Adverse Effect.

         5.14  Compliance with Law. Except as set forth on Schedule 3.14 hereto,
the business of OIS has been and is presently being conducted in accordance with
all applicable  federal,  state and local governmental laws, rules,  regulations
and ordinances,  domestic and foreign,  except where the conduct of the business
of OIS in violation of any of such laws, rules, regulations and ordinances could
not reasonably result in a Material Adverse Effect.

         5.15  Taxes.  Except  as set forth on  Schedule  3.15  hereto,  OIS has
accurately prepared and filed all federal,  state and other tax returns required
by law, domestic and foreign, to be filed by it, has paid or made provisions for
the payment of all taxes  shown to be due and all  additional  assessments,  and
adequate  provisions have been and are reflected in the financial  statements of
OIS for all  current  taxes and other  charges to which OIS is subject and which
are not currently

                                       10
<PAGE>

due and  payable.  Except as  disclosed  on Schedule  3.15  hereto,  none of the
federal  income tax returns of OIS for the years  subsequent to fiscal year 1996
have been audited by the Internal  Revenue  Service or other domestic or foreign
governmental tax agency.  Except as disclosed in Commission Filings,  OIS has no
knowledge of any additional assessments, adjustments or contingent tax liability
(whether federal or state) pending or threatened against OIS for any period that
would have a Material Adverse Effect,  nor of any basis for any such assessment,
adjustment or contingency.

         5.16  Intellectual  Property.  Except as set forth on Schedule 3.16, in
the conduct of its business as now conducted, OIS owns or possesses all patents,
know how, licenses and authorizations  from third parties that are necessary for
OIS to conduct its  business  ("Intellectual  Property"),  free and clear of all
liens,  charges  or  encumbrances.  OIS has not  received a notice of a claim of
infringement  relating  to the  Intellectual  Property  and does not know of any
reasonable basis for a claim that such an infringement or violation exists.

                                   ARTICLE VI

               ADDITIONAL COVENANTS AND AGREEMENTS OF THE PARTIES

         6.1      Covenants of OIS.

                  (a)  No  Shop  Provision.  Commencing  on the  effective  date
hereof,  OIS and its officers,  directors,  employees and other agents will not,
until the earlier of (i) October 12, 2000 or (ii) termination of this Agreement,
directly  or  indirectly,  take any action to solicit  or  initiate  an offer or
proposal  for a  merger  or  other  business  combination  involving  OIS or the
acquisition  of a material  portion of the assets of OIS  outside  the  ordinary
course of business of OIS or the sale and purchase of any voting  securities  of
OIS in a single transaction or series of related  transactions (each a "Takeover
Proposal").  Notwithstanding  the  foregoing,  if OIS  (or  any  of its  agents)
receives an  unsolicited,  bona fide  Takeover  Proposal from a person or entity
unaffiliated  with OIS,  then,  to the extent that the Board of Directors of OIS
believes in good faith that such Takeover Proposal could, if consummated, result
in a transaction  materially more favorable to the  shareholders or creditors of
OIS than the transactions contemplated by this Agreement and, after consultation
with and upon the written  advice of its counsel,  the Board of Directors of OIS
concludes that the failure to act on such Takeover Proposal could cause a breach
of its fiduciary duties (a "Superior  Proposal"),  the Board of Directors of OIS
may furnish  information to the party making the Superior Proposal and engage in
negotiations with such party, provided,  however, that such information may only
be  provided  pursuant  to  a  written   confidentiality   agreement  reasonably
satisfactory  to OIS. OIS will promptly notify  MediVision  after receipt of any
Takeover  Proposal and keep MediVision  fully informed of the status and details
of any such negotiations regarding a Takeover Proposal.

                  (b)      OIS Break-Up Fee.

                  (i) In the  event  that  OIS  enters  into an  agreement  with
         respect to a Superior  Proposal and this  Agreement is  terminated as a
         result thereof, OIS shall, or shall cause the party making the Superior
         Proposal  to, pay to  MediVision  a break-up  fee of one

                                       11
<PAGE>

         hundred  fifty  thousand  dollars  ($150,000),  which  shall be due and
         payable immediately upon the earlier of the execution of such agreement
         or the termination of this Agreement.

                  (ii)  In the  event  that  this  Agreement  is  terminated  by
         MediVision  pursuant  to  Section  8.1(b)  due to a  failure  by OIS to
         perform any of its obligations  hereunder or the material breach by OIS
         of any of its representations or warranties hereunder, OIS shall pay to
         MediVision  a  break-up  fee  of one  hundred  fifty  thousand  dollars
         ($150,000),  which  shall be due and payable  within five (5)  business
         days of such termination.

                  (iii) In the event that this Agreement is terminated  pursuant
         to Section 8.1(d) due to the Bankruptcy  Court's approval of an Overbid
         (as  defined  in Section  6.3(b))  by any  person or entity  other than
         MediVision or any of its Affiliates, then OIS shall pay to MediVision a
         break-up  fee of one hundred ten  thousand  dollars  ($110,000),  which
         shall be due and payable upon Bankruptcy Court approval of the Overbid:

                   (c) Maintenance of Existence. OIS shall preserve and maintain
its  corporate   existence  and  good  standing  in  the   jurisdiction  of  its
incorporation and qualify and remain qualified as a foreign  corporation in each
jurisdiction  in which  qualification  is  required  either  (1) to own,  lease,
license or use its properties now owned,  leased,  licensed or used and proposed
to be owned,  leased,  licensed  or used or (2) to carry on its  business as now
conducted  or proposed to be  conducted,  except  where the failure to effect or
obtain  such  qualification,   individually  or  in  the  aggregate,  could  not
reasonably be expected to have a Material Adverse Effect.

                  (d)  Compliance  with  Regulations.  OIS  shall  comply in all
respects with all  Regulations of any  Governmental  Body if a failure to comply
with any such Regulations, individually or in the aggregate, could reasonably be
expected to have a Material Adverse Effect.

                  (e)  Conduct of  Business.  During  the  period  from the date
hereof  through the Closing,  OIS shall not,  except as MediVision may otherwise
consent to in writing:

                  (i)      amend its articles of incorporation or bylaws;

                  (ii) authorize for issuance,  issue, sell, deliver or agree or
         commit to issue,  sell or deliver  (whether  through  the  issuance  or
         granting of options, warrants,  commitments,  subscriptions,  rights to
         purchase or otherwise) any stock of any class or any other securities;

                  (iii) split,  combine or reclassify  any shares of its capital
         stock,  declare,  set aside or pay any  dividend or other  distribution
         (whether in cash, stock or property or any combination  thereof) to any
         stockholder  or otherwise in respect of its capital  stock or redeem or
         otherwise  acquire  any of its  securities,  or make  any  payments  or
         distributions  to  shareholders  or to any  Person to which OIS has any
         liability (other than trade accounts payable),  or make any payments to
         any  officer or  director of OIS,  except  compensation  or payments to
         consultants consistent with past practice.

                  (iv) (1) incur or assume any  indebtedness in excess of $5,000
         in the  aggregate  other than the  $260,000  Loan  contemplated  by the
         Security Agreement and trade

                                       12
<PAGE>

         payables  (including,  but not limited  to,  legal  fees);  (2) assume,
         guarantee,  endorse or otherwise become liable or responsible  (whether
         directly,  contingently  or otherwise) for any obligations of any other
         Person in excess of  $5,000 in the  aggregate;  or (3) make any  loans,
         advances  or capital  contributions  to, or  investments  in, any other
         Person  (other  than loans or  advances to  employees  in the  ordinary
         course of  business in  accordance  with past  practices)  in excess of
         $3,000 in the aggregate;

                  (v) enter  into,  adopt or amend any  bonus,  profit  sharing,
         compensation,  severance, termination, stock option, stock appreciation
         right,  restricted  stock,   performance  unit,  pension,   retirement,
         deferred compensation,  employment, severance or other employee benefit
         agreements,  trusts,  plans,  funds or other arrangements of or for the
         benefit or  welfare  of any  employee,  or  increase  in any manner the
         compensation  or fringe benefits of any employee or pay any benefit not
         required  by any  existing  plan and  arrangement  (including,  without
         limitation,  the granting of stock options,  stock appreciation rights,
         shares of restricted stock or performance units);

                  (vi) except to the extent  required by applicable  law, change
         any accounting principle or method or make any election for purposes of
         foreign, federal, state or local income taxes;

                  (vii)  acquire,  sell,  lease,  transfer  or  dispose  of  any
         material property or assets except in the ordinary course of business;

                  (viii)  take or suffer  any action  that  would  result in the
         creation,  or  consent  to the  imposition,  of any  lien on any of the
         properties or assets of OIS;

                  (ix)  make  or  incur  any  capital   expenditure,   lease  or
         commitment for additions to property, plant, equipment or other capital
         assets in excess of $10,000 in the aggregate; or

                  (x)  enter  into any  agreement  to do,  or take,  or agree in
         writing  or  otherwise  to take or  consent  to,  any of the  foregoing
         actions.

                  (f)  Notification of Breach.  OIS agrees to promptly notify in
writing the other parties hereto of any events, facts or occurrences which would
constitute or result in a breach of any  representation  or warranty made by OIS
contained in this Agreement or a breach of any covenant, agreement or obligation
of OIS under this Agreement; provided, however, that no such disclosure shall be
deemed to cure or relieve any such breach or default.

         6.2 Covenants of MediVision.  MediVision  agrees to promptly  notify in
writing the other parties hereto of any events, facts or occurrences which would
constitute  or result  in a breach of any  representation  or  warranty  made by
MediVision contained in this Agreement or a breach of any covenant, agreement or
obligation of MediVision under this Agreement;  provided,  however, that no such
disclosure shall be deemed to cure or relieve any such breach or default.

                                       13
<PAGE>

         6.3      Covenants of Premier.

                  (a)  Termination  of  Prior  Agreements;  Assignment.  Premier
acknowledges  and agrees  that,  effective  at the  Closing,  the  Manufacturing
Agreement and the Purchase Agreement shall terminate and its rights with respect
to the Premier Debt shall be assigned to MediVision.

                  (b) Overbid Procedure. Upon execution of this Agreement by the
parties  hereto,  Premier  shall  prepare and file a motion with the  Bankruptcy
Court seeking nunc pro tunc approval of this Agreement and the  Transactions  by
and among the parties  hereto,  pursuant to the following  terms and  conditions
relating to the  submission of bids  ("Overbids")  for the Premier  Assets to be
sold hereunder:

                  (i) Only  persons or entities  that comply with the  following
         procedures will be deemed qualified  bidders  ("Qualified  Bidders") at
         the  hearing  on the  motion for  approval  of the sale of the  Premier
         Assets contemplated herein (the "Sale Hearing"). Only Qualified Bidders
         will be entitled to submit  Overbids  at the Sale  Hearing.  MediVision
         shall be deemed a Qualified Bidder at the Sale Hearing.

                  (ii) All Qualified  Bidders must  prequalify at least five (5)
         days before the Sale  Hearing.  In order to  prequalify,  any person or
         entity   intending  to  submit  an  Overbid  must  provide  to  Premier
         sufficient  evidence of the person or entity's  ability to complete the
         transaction,  satisfactory to Premier, including evidence of the person
         or  entity's  ability  to pay cash not less  than the  minimum  initial
         Overbid set forth herein.

                  (iii)  Any  initial  Overbid  must  have a  minimum  value  of
         $3,400,000 (the "Initial  Overbid")  subject to adjustment with respect
         to the Premier  Inventory on the same terms and conditions as those set
         forth in this  Agreement.  Any Initial Overbid must be for the purchase
         of the Premier Assets on  substantially  the same terms as set forth in
         this Agreement and must be closed within the timeframe required by this
         Agreement.

                  (iv) If a qualified Initial Overbid is received,  bidding will
         continue at the Sale Hearing in  increments of not less than $25,000 in
         value.

                  (v) All  Overbids  must be for all,  and not less than all, of
         the Premier Assets and must provide to OIS additional value of not less
         than  $110,000  in excess of the  consideration  to be  received by OIS
         pursuant to the  transactions  contemplated  by this  Agreement and the
         Funding Agreement.

                  (c)  Break-Up  Fee.  If a sale  of  any or all of the  Premier
Assets  is  consummated  with  a  party  other  than  MediVision  or  any of its
Affiliates,  Premier shall, at the closing of the transaction, pay to MediVision
a break-up fee equal to the greater of (i) one hundred ninety  thousand  dollars
($190,000)  and (ii) five  percent  (5%) of the final value of the  Overbid,  as
reasonable  compensation  for the  benefit  realized  by Premier as well as lost
opportunity costs,  commitment of time and personnel to the transaction  process
and  the   out-of-pocket   expenses  of  MediVision  in  connection   with  this
transaction,  including legal fees and costs,  fees and costs in connection with
an audit of the Premier  Assets,  costs relating to

                                       14
<PAGE>

MediVision's due diligence  investigation and additional fees and costs relating
to legal and regulatory reviews.

                  (d) Notification of Breach.  Premier agrees to promptly notify
in writing the other parties hereto of any events,  facts or  occurrences  which
would constitute or result in a breach of any representation or warranty made by
Premier  contained in this  Agreement or a breach of any covenant,  agreement or
obligation  of Premier under this  Agreement;  provided,  however,  that no such
disclosure shall be deemed to cure or relieve any such breach or default.

         6.4  Public  Announcements;   Confidentiality.  On  and  prior  to  the
termination of this  Agreement,  OIS,  Premier and  MediVision  shall advise and
confer with one another  prior to the  issuance of any  reports,  statements  or
releases  concerning  this  Agreement,  the terms  hereof and the  Transactions,
except as may be required by the securities  laws of the relevant  jurisdiction.
Nothing  contained in this Section 6.4 shall  prevent any party at any time from
furnishing  any  information  to  any  Governmental  Body  or  pursuant  to  the
requirements of any applicable law; provided, however, that the disclosing party
shall not make any such disclosure without first notifying the other parties and
allowing  the other  parties a  reasonable  opportunity  to seek relief from (or
protective order with respect to) the obligation to make such  disclosure,  such
as a request for confidential treatment.

         6.5 Further  Assurances.  Subject to the terms and conditions  provided
herein, including Premier's obligations to pursue Overbids and the rights of OIS
to pursue one or more Superior Proposals,  MediVision,  Premier and OIS agree to
use all  commercially  reasonable  efforts  to take,  or cause to be taken,  all
actions, and to do, or cause to be done, as promptly as practicable,  all things
necessary,  proper  or  advisable  under  applicable  laws  and  regulations  or
otherwise to consummate and make effective the Transactions contemplated by this
Agreement and the other Transaction Documents.

                                   ARTICLE VII

                               CLOSING CONDITIONS

         7.1 Conditions to Each Party's Obligation. The respective obligation of
each party to consummate the transactions  contemplated  hereby shall be subject
to the  satisfaction  at or  prior  to the  Closing  of  each  of the  following
conditions:

                  (a)  Bankruptcy   Court   Approval.   The   Bankruptcy   Court
administering  Premier's  reorganization under Chapter 11 of the U.S. Bankruptcy
Code (Case No.  SA00-12031RA)  has approved this Agreement and the  Transactions
contemplated hereby.

                  (b) No  Injunctions,  Restraints or  Litigation.  No temporary
restraining order,  preliminary or permanent injunction or other order issued by
any court of competent  jurisdiction  or other legal  restraint  or  prohibition
preventing  consummation of the transactions  contemplated  hereby is in effect.
There  is no  pending  or  threatened,  claim,  action,  suit  or  other  legal,
administrative, investigative or arbitration proceeding in which it is sought to
restrain,  enjoin or prohibit the consummation of the transactions  contemplated
hereby or to obtain damages or other monetary or equitable  relief in connection
therewith.

                                       15
<PAGE>

                  (c)  Representations  and Warranties.  The representations and
warranties of each of the other parties  hereto  contained in this Agreement are
true, accurate and complete in all material respects as of the Closing Date.

                  (d)  Performance  of Agreement.  The other parties hereto have
performed  and  satisfied  in all  material  respects  each  of  the  covenants,
agreements and obligations  required to be performed and satisfied by them under
this Agreement on or prior to the Closing Date.

                  (e) Mutual Release.  OIS and Premier shall have entered into a
mutual release which shall provide  complete  waivers and releases of all claims
against one  another,  plus  covenants by both parties that they will not assert
any claims against the other (subject to a single exception for the claim of OIS
against Premier for the Termination Fee provided in the Stock Purchase Agreement
by and between such parties dated as of February 25, 1998).

                  (f) Funding  Agreement.  The transactions  contemplated by the
Funding Agreement shall be consummated contemporaneously with the Closing.

                  (g)  Rights  Agreement.  OIS shall  have  amended  the  Rights
Agreement,  dated as of December 31, 1997,  as amended from time to time, by and
between OIS and American Securities Transfer, Inc. (the "Rights Agreement"),  to
provide that (i) none of the  transactions  contemplated  by this Agreement will
trigger a Distribution  Date and (ii) MediVision will not be deemed an Acquiring
Person thereunder, as those terms are defined in the Rights Agreement.

                  (h) Put and Call Agreement.  MediVision and Premier shall have
entered into the Put and Call Agreement.

                  (i) Registration  Rights  Agreement.  MediVision and OIS shall
have entered into a Registration  Rights Agreement  substantially in the form of
Exhibit B annexed hereto.

         7.2 Condition to MediVision's Obligation.  The obligation of MediVision
to  consummate  the  transactions  contemplated  hereby  shall be subject to the
satisfaction at or prior to the Closing of the following condition:

                  (a) No  Material  Adverse  Effect.  Since  the  date  of  this
Agreement,  there shall not have occurred a Material Adverse Effect with respect
to OIS.

                                  ARTICLE VIII

                                   TERMINATION

         8.1      Termination. This Agreement may be terminated at any time:

                  (a) by mutual written consent of Premier, MediVision and OIS;

                  (b) by any party if the  Closing  has not  occurred by October
12, 2000,  and this  Agreement has not  previously  been  terminated;  provided,
however, that the failure to consummate the Closing by such date is not a result
of either the failure by the party so electing to  terminate  this  Agreement to
perform any of its obligations  hereunder or the breach by the party so electing

                                       16
<PAGE>

of its representations and warranties;

                  (c) by  MediVision  or OIS if OIS  enters  into  an  agreement
constituting a Superior Proposal;

                  (d) by any party hereto if the  Bankruptcy  Court  approves an
Overbid by any person or entity other than MediVision or any of its Affiliates;

                  (e) by MediVision if Bankruptcy Court Approval is not obtained
by the close of business on August 11, 2000; and

                  (f) by any party hereto in the event any court or governmental
agency of competent  jurisdiction has issued an order, decree or ruling or taken
any  other  action   restricting,   enjoining  or  otherwise   prohibiting   the
transactions  contemplated hereby and such order, decree, ruling or other action
shall have become final and unappealable.

         8.2 Effect of  Termination.  In the event that this Agreement  shall be
terminated pursuant to this Article VIII, all further obligations of the parties
under this Agreement other than the obligations set forth in Sections 6.1(b) and
6.3(c) and shall  terminate,  and there  shall be no  liability  of any party to
another  party  except  for  a  party's  breach  of  any  of  its   obligations,
representations  or warranties  under this Agreement prior to the termination of
this Agreement.

                                   ARTICLE IX

                                  MISCELLANEOUS

         9.1 Governing Law. This  Agreement  shall be governed by, and construed
in accordance  with, the laws of the State of California  (without giving effect
to conflicts of law principles thereof).

         9.2 Remedies  Cumulative.  Except as may otherwise be provided  herein,
the  remedies  provided  herein  shall be  cumulative  and  shall  not  preclude
assertion  by any party  hereto of any other  rights or the seeking of any other
remedies against any other party hereto.

         9.3  Brokerage.  Each party hereto will indemnify and hold harmless the
other  parties  against  and in  respect  of any  claim for  brokerage  or other
commission  relative  to  this  Agreement  or to the  transactions  contemplated
hereby,  based in any way on agreements,  arrangements or understandings made or
claimed to have been made by such party with any third party.

         9.4 Severability.  Whenever possible,  each provision of this Agreement
shall be  interpreted  in such a  manner  as to be  effective  and  valid  under
applicable law, but if any provision of this Agreement shall be prohibited by or
invalid under applicable law, such provisions shall be ineffective to the extent
of such  prohibition or invalidity,  without  invalidating the remainder of such
provision or the remaining provisions of this Agreement.

         9.5 Notices.  Notices  required under this Agreement shall be deemed to
have been  adequately  given if delivered in person or sent to the  recipient at
its address (or facsimile

                                       17
<PAGE>

number, as the case may be) set forth on the signature page hereto or such other
address as such party may from time to time  designate  in writing by  certified
mail (return receipt  requested),  facsimile or overnight  courier in the manner
provided in this Section 9.5.

         9.6      Amendments and Waivers.

                  (a) Any  provision of this  Agreement may be amended or waived
if, but only if, such amendment or waiver is in writing and signed,  in the case
of an amendment,  by each of the parties hereto,  or in the case of a waiver, by
the party against whom the waiver is to be effective.

                  (b) No waiver by a party of any default,  misrepresentation or
breach of a warranty or covenant hereunder, whether intentional or not, shall be
deemed to extend to any prior or subsequent default, misrepresentation or breach
of a warranty or covenant  hereunder or affect in any way any rights  arising by
virtue of any prior or  subsequent  occurrence.  No  failure or delay by a party
hereto in exercising any right, power or privilege  hereunder shall operate as a
waiver  thereof nor shall any single or partial  exercise  thereof  preclude any
other or further exercise  thereof or the exercise of any other right,  power or
privilege.

         9.7 Survival.  All  representations  and warranties made by the parties
contained  in  this  Agreement  and the  respective  covenants,  agreements  and
obligations of the parties under this Agreement  shall survive the execution and
delivery of this Agreement for a period of three years following the Closing.

         9.8 Entire  Understanding.  This  Agreement  and the  agreements  to be
executed in connection herewith at the Closing, express the entire understanding
of the  parties  and  supersede  all prior and  contemporaneous  agreements  and
undertakings  of the  parties  with  respect to the  subject  matter  hereof and
thereof.

         9.9 Expenses.  Each party will pay all of its own  expenses,  including
attorney's fees,  incurred in connection with the negotiation of this Agreement,
the  performance  of its  obligations  hereunder  and  the  consummation  of the
transactions contemplated by this Agreement.

         9.10  Counterparts.  This Agreement may be executed in counterparts and
the signatures delivered by telecopy in the manner provided in Section 9.5, each
of which  shall be  deemed to be an  original  but which  taken  together  shall
constitute one agreement with the same effect as of the signatures were upon the
same instrument and delivered in person.

         9.11     Assignment; No Third-Party Beneficiaries.

                  (a)  Except  as  otherwise  expressly  provided  herein,  this
Agreement and the rights  hereunder  shall not be assignable or  transferable by
any party  without the prior written  consent of all the other  parties  hereto,
provided that, if such  assignment or transfer is consented to, such assignee or
transferee  expressly  assumes in writing  all of the such  party's  obligations
hereunder.  Subject to the preceding  sentence,  this Agreement shall be binding
upon, inure to the benefit of and be enforceable by the parties hereto and their
respective successors and assigns.

                                       18
<PAGE>

                  (b) This  Agreement  is for the sole  benefit  of the  parties
hereto and their respective  successors and permitted assigns and nothing herein
expressed or implied  shall give or be  construed  to give to any Person,  other
than the parties hereto and such successors and permitted assigns,  any legal or
equitable rights hereunder.

         9.12 Interpretation.  This Agreement,  including any exhibits, addenda,
schedules  and  amendments,  has been  negotiated  at arm's  length and  between
persons  sophisticated  and  knowledgeable  in the  matters  dealt  with in this
Agreement.  Each party has been  represented  by experienced  and  knowledgeable
legal counsel. Accordingly, any rule of law or legal decision that would require
interpretation  of any ambiguities in this Agreement  against the party that has
drafted it is not applicable and is waived.

         9.13  Titles  and  Subtitles.  The titles  and  subtitles  used in this
Agreement  are  used  for  convenience  only  and  are not to be  considered  in
construing or interpreting this Agreement.


              (THE REST OF THIS PAGE IS INTENTIONALLY LEFT BLANK.)


                                       19
<PAGE>


IN WITNESS  WHEREOF,  the parties  hereto have executed this Agreement as of the
date first above written.

OPHTHALMIC IMAGING SYSTEMS

By:
   -----------------------------
Name:
     ---------------------------
Title:
      --------------------------
Address:                   221 Lathrop Way, Suite I
                           Sacramento, CA  95815
                           Attention:  President
                           Facsimile No.  (916) 646-0207
                           Telephone No.  (916) 646-2020

With a copy to:            Gibson, Dunn & Crutcher, LLP
                           1530 Page Mill Road
                           Palo Alto, CA  94304
                           Attention:  Lawrence Calof, Esq.
                           Facsimile No.  (650) 849-5333
                           Telephone No.  (650) 849-5300

PREMIER LASER SYSTEMS, INC.

By:
   -----------------------------
Name:
     ---------------------------
Title:
      --------------------------

Address:                   3 Morgan
                           Irvine, CA  92618
                           Attention:  President
                           Facsimile:  (949) 859-5241
                           Telephone No.  (949) 859-0656

With a copy to:            O'Melveny & Myers LLP
                           610 Newport Center Drive, #1700
                           Newport Beach, CA  92660
                           Attention:  Suzzanne Uhland, Esq.
                           Facsimile:  (949) 823-6994
                           Telephone:  (949) 823-6971

                [Signature Page to Securities Purchase Agreement]

                                       20
<PAGE>


MEDIVISION MEDICAL IMAGING LTD.

By:
   -----------------------------
Name:
      --------------------------
Title:
      --------------------------

Address:                   P.O. Box 45
                           Industrial Park
                           Yokneam Elit
                           20692 Israel

With a copy to:            Parker Chapin LLP
                           The Chrysler Building
                           405 Lexington Avenue
                           New York, New York 10174
                           Attention:  Henry I. Rothman, Esq.
                           Tel. No.: (212) 704-6000
                           Fax No.: (212) 704-6288


                [Signature Page to Securities Purchase Agreement]

                                       21
<PAGE>


                                    EXHIBIT A

                         FORM OF PUT AND CALL AGREEMENT
                         ------------------------------

                                   [ATTACHED]


<PAGE>


                                    EXHIBIT B

                      FORM OF REGISTRATION RIGHTS AGREEMENT
                      -------------------------------------

                                   [ATTACHED]



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