LASERSIGHT INC /DE
SC 13D, 1998-01-09
ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934




                             VISION TWENTY-ONE, INC.
                             -----------------------
                                (Name of Issuer)


                          Common Stock, $.01 par value
                          ----------------------------
                         (Title of Class of Securities)


                                   92831N 10 1
                               ------------------
                                 (CUSIP Number)


                                Gregory L. Wilson
                             Chief Financial Officer
                             LaserSight Incorporated
                               12161 Lackland Road
                            St. Louis, Missouri 63146
                                 (314) 576-1563

                                    Copy to:
                          Sonnenschein Nath & Rosenthal
                             One Metropolitan Square
                                   Suite 3000
                            St. Louis, Missouri 63102
                                 (314) 241-1800
                         Attn: Timothy L. Elliott, Esq.
                             J. Timothy Gorman, Esq.

                    ----------------------------------------
                 (Name, Address and Telephone Number of Persons
                Authorized to Receive Notices and Communications)


                                December 30, 1997
                          -----------------------------
                          (Date of Event which Requires
                            Filing of this Statement)
<PAGE>

CUSIP No. 92831N 10 1                 13D                     Page 2 of 11 Pages

If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  which is the subject of this  Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following box [ ]



The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act.

                        (Continued on following page(s))


                             Exhibit Index at Page 9


<PAGE>

CUSIP No. 92831N 10 1                 13D                     Page 3 of 11 Pages



1.  NAME OF REPORTING PERSON                             LASERSIGHT INCORPORATED

    S.S. OR I.R.S. IDENTIFICATION NO.                                 65-0273162


2.  CHECK THE APPROPRIATE BOX                                 (a) [ ]
    IF A MEMBER OF A GROUP                                    (b) [X]


3.  SEC USE ONLY


4.  SOURCE OF FUNDS                                                           OO


5.  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS
    IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)                 [ ]


6.  CITIZENSHIP OR PLACE OF ORGANIZATION                    Delaware Corporation

- -------------------------------------

 NUMBER OF                 7.  SOLE VOTING POWER                         820,085

  SHARES
                           8.  SHARED VOTING POWER                           -0-
BENEFICIALLY

OWNED BY EACH              9.  SOLE DISPOSITIVE POWER                    820,085

 REPORTING
                          10.  SHARED DISPOSITIVE POWER                      -0-
PERSON WITH


11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON         820,085


12. CHECK BOX IF THE AGGREGATE AMOUNT
    IN ROW (11) EXCLUDES CERTAIN SHARES                       [ ]


13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)                      6.5%


14. TYPE OF REPORTING PERSON                                                  CO



<PAGE>

CUSIP No. 92831N 10 1                 13D                     Page 4 of 11 Pages

Item 1.  Security and Issuer

         This  statement  relates  to the  Common  Stock,  $.01 par  value  (the
"Shares"),  of Vision  Twenty-One,  Inc., a Florida  corporation  ("Vision 21").
Vision 21's  principal  executive  offices are located at 7209 Bryan Dairy Road,
Largo, Florida 33777.


Item 2.  Identity and Background

         This  statement  is  filed  by  LaserSight  Incorporated,   a  Delaware
corporation ("LaserSight"). LaserSight and its subsidiaries operate in two major
operating segments:  technology and health care services. The technology segment
of LaserSight's  operations includes LaserSight  Technologies,  Inc. and related
subsidiaries.  These entities develop,  manufacture and market ophthalmic lasers
with  a  galvanometric   scanning   system   primarily  for  use  in  performing
photorefractive keratectomy. In addition, they license and hold title to various
patents  related to the use of excimer  lasers to ablate  biological  tissue and
related to keratome  design and usage.  Since December 31, 1997, the health care
services  segment has consisted of MRF, Inc., d/b/a The Farris Group. The Farris
Group  provides  consulting  health care and vision care  services to hospitals,
managed care companies and physicians. The address of the principal business and
principal  office of  LaserSight is 12161  Lackland  Road,  St. Louis,  Missouri
63146.

         Information  responsive to Items 2(a),  2(b), 2(c) and 2(f) of Schedule
13D in respect of LaserSight is set forth in Annex I to this Schedule 13D and is
incorporated herein by this reference.

         During the last five years,  neither  LaserSight nor, to its knowledge,
any of its  executive  officers  or  directors  (i) has  been  convicted  in any
criminal proceeding (excluding traffic violations or similar  misdemeanors),  or
(ii) has been a party to any civil  proceeding  of a judicial or  administrative
body of  competent  jurisdiction  and as a result of such  proceeding  was or is
subject to a judgment,  decree or final order enjoining future violations of, or
prohibiting or mandating activities subject to, federal or state securities laws
or any violation with respect to such laws.


Item 3.  Source and Amount of Funds or Other Consideration

         LaserSight  received  820,085 of Vision  21's  Shares  (the  "Vision 21
Shares") in exchange for all of the outstanding  capital stock of its MEC Health
Care, Inc., a Maryland corporation ("MEC"),  subsidiary and its LSI Acquisition,
Inc., a New Jersey corporation ("LSIA"),  subsidiary. Such exchange was pursuant
to the terms and conditions of the Stock Purchase Agreement  described in item 6
below.


<PAGE>

CUSIP No. 92831N 10 1                 13D                     Page 5 of 11 Pages

Item 4.  Purpose of Transaction

         (a) On or before May 29,  1998,  all of the  Vision 21 Shares  shall be
liquidated in accordance  with the terms and  conditions  set forth in the Stock
Distribution Agreement referred to in Item 6.

         Except as set  forth in this Item 4,  neither  LaserSight  nor,  to its
knowledge,  any of its executive  officers or directors has any present plans or
proposals that relate to or that would result in any of the actions specified in
clauses (b) through (j) of Item 4 of Schedule 13D.

Item 5.  Interest in Securities of the Issuer

         (a) As of the date hereof,  LaserSight beneficially owned the Vision 21
Shares,  which  represent  approximately  6.5%  of  the  12,650,251  outstanding
Shares1.  Thomas Quinn, a LaserSight director,  beneficially owns 46,050 or 0.4%
of the outstanding Shares (the "Quinn Shares"). To LaserSight's knowledge,  none
of its other executive officers or directors beneficially owns any Shares.

         (b)  LaserSight  has the  sole  power to  vote,  and the sole  power to
dispose  of, the Vision 21 Shares,  subject to the terms and  conditions  of the
Stock  Distribution  Agreement,  the  Escrow  Agreement  and  the  Stock  Pledge
Agreement referred to in Item 6. To LaserSight's knowledge, Thomas Quinn has the
sole  power to vote,  and the sole  power to  dispose  of the Quinn  Shares.  To
LaserSight's  knowledge,  none of its other executive  officers or directors has
any sole or shared power to vote,  or to direct the vote or to dispose or direct
the disposition of, any Shares.

         (c) Except for the acquisition by LaserSight of the Vision 21 Shares in
connection  with the Stock Purchase  Agreement,  neither  LaserSight nor, to its
knowledge,  any  of  its  executive  officers  or  directors  has  effected  any
transactions in Shares during the past 60 days.

         (d) LaserSight's right to receive or the power to direct the receipt of
the  dividends  from,  or the proceeds  from the sale of the Vision 21 Shares is
subject  to the  rights  of  (i)  Foothill  Capital  Corporation,  a  California
corporation  ("Foothill"),  under the Stock Pledge Agreement, and (ii) Vision 21
under  the  Stock  Distribution  Agreement,  as  described  in Item 6 below.  To
LaserSight's  knowledge,  no other person has a right to receive or the power to
direct the receipt of the  dividends  from, or the proceeds from the sale of the

- -----------------------
(1)  Share number represents the sum of (i) 11,830,166 Shares  represented to be
     outstanding  as of  December  29,  1997 by Vision 21 in the Stock  Purchase
     Agreement,  and (ii) the  820,085  Shares  issued on  December  30, 1997 to
     LaserSight pursuant to the Stock Purchase Agreement.

<PAGE>

CUSIP No. 92831N 10 1                 13D                     Page 6 of 11 Pages

Vision 21 Shares.  To  LaserSight's  knowledge,  no other  person has a right to
receive  or the  power to direct  the  receipt  of the  dividends  from,  or the
proceeds from the sale of the Quinn Shares.

         (e) Not Applicable.


Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to
        Securities of the Issuer

Stock Purchase Agreement
- ------------------------

         The  Vision 21 Shares  which are the  subject  of this  statement  were
acquired by LaserSight in connection with the sale of LaserSight's  wholly-owned
subsidiaries,  MEC and LSIA to Vision 21 pursuant to the terms and conditions of
the Stock Purchase Agreement,  dated as of December 1, 1997 (the "Stock Purchase
Agreement"),  among LaserSight,  MEC, LSIA and Vision 21. In accordance with the
terms and conditions of the Stock Purchase Agreement,  Vision 21 acquired all of
the issued and  outstanding  capital  stock of MEC and LSIA in exchange  for the
delivery to LaserSight of the Vision 21 Shares and $6,500,000 in cash.

Stock Distribution Agreement
- ----------------------------

         In  connection  with  the  Stock  Purchase  Agreement,  Vision  21  and
LaserSight entered into a Stock Distribution  Agreement dated as of December 30,
1997 (the  "Stock  Distribution  Agreement").  The  Vision  21 Shares  are to be
liquidated  pursuant  to the  following  schedule  (or  sooner,  at Vision  21's
option):


                    Month         Approximate
                   (1998)         Percentage
                   ------         ----------


               February........       21%

               March...........       21%

               April...........       28%

               May.............       30%
                                      ---

                  Total........      100%
                                     ====


         Under its  agreements  with  LaserSight,  Vision 21 is to liquidate the
Vision 21  Shares  by a sale  through  a market  maker  designated  by Vision 21
pursuant  to a shelf  registration  statement  or a  private  placement,  or its
repurchase of the Vision 21 Shares.  LaserSight is entitled to receive a minimum
of $6,500,000 and a maximum of $7,475,000  from the liquidation of the Vision 21
Shares.  If LaserSight has not received at least $6,500,000  (subject to certain
post-closing  adjustments)  from the  liquidation of the Vision 21 Shares by May
29, 1998,  then on such date Vision 21 is to pay  LaserSight  such  shortfall in
cash.

<PAGE>

CUSIP No. 92831N 10 1                 13D                     Page 7 of 11 Pages


         If Vision  21 fails to make the  payments  contemplated  by the plan of
distribution, Vision 21 is required to prepare and file a registration statement
covering the sale of the Vision 21 Shares within 20 business days after the date
of Vision 21's failure to make a payment and such  registration  statement is to
be effective as soon as possible,  but in no event later than 90 days  following
the date of default. If the registration  statement is not effective within such
90 day period or if it becomes  effective and subsequently  LaserSight is unable
to sell shares pursuant to the registration  statement then Vision 21 has agreed
to pay LaserSight certain monetary penalties. In addition, if Vision 21 fails to
make the payments  contemplated by the plan of distribution,  LaserSight is free
to sell the Vision 21 Shares in a private  placement  subject only to compliance
with applicable securities laws.

         LaserSight has agreed not to sell,  pledge,  transfer or dispose of the
Vision 21 Shares except in accordance  with the terms of the Stock  Distribution
Agreement and the terms of the Stock Pledge Agreement (as defined below).

Escrow Agreement
- ----------------

         In  connection  with  the  Stock  Purchase  Agreement,  Vision  21  and
LaserSight  have entered into an Escrow  Agreement dated as of December 30, 1997
(the "Escrow  Agreement"),  pursuant to which LaserSight agreed to place 126,167
of the  Vision 21 Shares in escrow  (the  "Escrow  Shares").  LaserSight  may be
required to return  certain of the Escrow  Shares to Vision 21  depending on the
results of  certain  post-closing  adjustments  pursuant  to the Stock  Purchase
Agreement.

Stock Pledge Agreement
- ----------------------

         LaserSight and Foothill Capital Corporation,  a California  corporation
("Foothill"),  have  entered into a Stock Pledge  Agreement  (the "Stock  Pledge
Agreement"),  dated December 30, 1997,  pursuant to which LaserSight has pledged
the Vision 21 Shares as collateral to secure its  obligations  to Foothill under
that  certain  Loan and Security  Agreement,  dated March 31, 1997,  as amended,
between Foothill, LaserSight and certain of LaserSight's subsidiaries.

                                     * * * *

         The foregoing summary of certain  provisions of the Stock  Distribution
Agreement,  the Escrow Agreement, and the Stock Pledge Agreement is not intended
to be complete and is qualified  by  reference to such  agreements  set forth in
Exhibits 1 through 3 attached hereto.

                  Except as summarized above, to LaserSight's  knowledge,  there
exists no contracts,  arrangements,  understanding  or  relationships  (legal or
otherwise) among  LaserSight and its executive  officers or directors or between

<PAGE>

CUSIP No. 92831N 10 1                 13D                     Page 8 of 11 Pages


such  persons  and any  person  with  respect  to any  securities  of Vision 21,
including  but not limited to transfer or voting of any Shares,  finder's  fees,
joint  ventures,  loan or  option  arrangements,  puts or calls,  guarantees  of
profits, division or profits or loss, or the giving or withholding of proxies.

Item 7.  Material to be Filed as Exhibits

         The  Exhibit  Index  set  forth on page 9 of this  statement  is hereby
incorporated herein by this reference.



                                    SIGNATURE

                  After  reasonable  inquiry and to the best of my knowledge and
belief,  I certify  that the  information  set forth in this  statement is true,
complete and correct.

Date:    January 9, 1998

                                             LASERSIGHT INCORPORATED



                                             By:  \s\ Gregory L. Wilson
                                                 -------------------------
                                                    Gregory L. Wilson
                                                    Chief Financial Officer




<PAGE>

CUSIP No. 92831N 10 1                 13D                     Page 9 of 11 Pages


                                INDEX TO EXHIBITS



1.   Stock  Distribution  Agreement,  dated as of  December  30,  1997,  between
     LaserSight and Vision 21.

2.   Escrow  Agreement,  dated as of December 30, 1997,  between  LaserSight and
     Vision 21.

3.   Stock Pledge  Agreement,  dated as of December 30, 1997, among  LaserSight,
     certain of LaserSight's subsidiaries and Foothill.


<PAGE>

CUSIP No. 92831N 10 1                 13D                    Page 10 of 11 Pages


                                     ANNEX I


         Set forth below are the name,  business  address and present  principal
occupation  of  each of the  directors  and  executive  officers  of  LaserSight
Incorporated.  Except as otherwise  noted,  each such individual is a citizen of
the United States and the business address of each such person is c/o LaserSight
Incorporated, 12161 Lackland Road, St. Louis, Missouri 63146.


                                     Present  Principal  Occupation, Citizenship
                                     and  Business  Address  (if  other  than as
   Name                              indicated above)
   --------------                    -------------------------------------------
    

   Directors
   ---------

   Francis E. O'Donnell Jr., M.D.    Medical Director
                                     O'Donnell Eye Institute
                                     1028 S. Kirkwood Road
                                     Kirkwood, Missouri 63122-7200

   J. Richard Crowley                President and Chief Operating Officer
                                     LaserSight  Technologies,  Inc.  (a wholly-
                                     owned subsidiary ofLaserSight Incorporated)
                                     12249 Science Drive, Suite 160
                                     Orlando, Florida 32826

   Michael R. Farris                 President and Chief Executive Officer
                                     LaserSight Incorporated

   Terry A. Fuller, Ph.D.            President and Chief Executive Officer
                                     Fuller Research Corporation
                                     944 Morgan Road
                                     Rydal, Pennsylvania 19046

   Richard C. Lutzy                  Founder and Chief Executive Officer
                                     Palmer Capital Corporation
                                     545 Cedar Lane
                                     Teaneck, New Jersey 07666

   David T. Pieroni                  President
                                     Pieroni Management Counselors, Inc.
                                     9666 Olive Blvd., Suite 150
                                     St. Louis, Missouri 63132



<PAGE>

CUSIP No. 92831N 10 1                 13D                    Page 11 of 11 Pages


   Thomas Quinn                      President
                                     Smithton  Rockwell & Irwin (a subsidiary of
                                     Olsten Corporation)
                                     345 Route 17 South
                                     Upper Saddle River, New Jersey 07458


   Executive Officers who are 
   not Directors
   --------------------------

   Gregory L. Wilson                 Chief Financial Officer
                                     LaserSight Incorporated

   Richard L. Stensrud               Chief Operating Officer
                                     LaserSight Incorporated

                                     President
                                     The Farris Group (a wholly-owned subsidiary
                                     of LaserSight Incorporated)




                          STOCK DISTRIBUTION AGREEMENT
                          ----------------------------

     This Stock Distribution Agreement  ("Agreement"),  dated as of December 30,
1997,  is by and  between  Vision  Twenty-One,  Inc.  ("Vision  21"),  a Florida
corporation and any successor,  and LaserSight Incorporated (the "Stockholder"),
a Delaware corporation.

                                 R E C I T A L S
                                 ---------------

     A. The  Stockholder and Vision 21 have executed that certain Stock Purchase
Agreement  effective  as of December 1, 1997 (the "Stock  Purchase  Agreement"),
pursuant  to which  Vision  21 has  agreed  to  acquire  all of the  issued  and
outstanding  stock of MEC  Health  Care,  Inc.  and LSI  Acquisition,  Inc.,  in
exchange for delivery to the  Stockholder  of 812,500 shares of Vision 21 common
stock and the  Additional  Shares (as defined in the Stock  Purchase  Agreement,
collectively, the "Restricted Shares") and $6,500,000 in cash, as more fully set
forth in the Stock Purchase Agreement.

     B.  The  Stockholder  and  Vision  21  desire  to  enter  into  the plan of
distribution  (the "Plan of  Distribution")  described herein for liquidation of
the  Restricted   Shares  through,   at  Vision  21's  sole  option,  a  "shelf"
registration  statement,  private  placement,  redemption  by Vision 21 or other
method acceptable to Vision 21 and the Stockholder.

     NOW THEREFORE,  for and in consideration of the mutual  agreements,  terms,
covenants and conditions  herein and for other good and valuable  consideration,
the receipt and adequacy of which are hereby acknowledged,  the parties agree as
follows:

     1.  Plan of Distribution of Restricted  Shares.  

         (a)  Stockholder  agrees that on each date  specified  in Section  1(b)
below that number of the Restricted  Shares so indicated in connection with such
date shall,  at Vision  21's sole  option,  either (i) be sold  through a market
maker  designated  by Vision 21 through a "shelf"  registration  statement  (the
"Registration  Statement")  pursuant to Sections 2, 3 and 4 hereof, (ii) be sold
through a market  maker  designated  by Vision  21  through a private  placement
pursuant  to  Sections  5, 6 and 7 hereof  or other  method  of sale  reasonably
acceptable to Vision 21 and the Stockholder,  or (iii) be purchased by Vision 21
pursuant to Section 8 hereof.

         (b) The  Restricted  Shares shall be liquidated  on, or, at Vision 21's
option,  before  the  following  specified  dates  in  the  following  specified
increments in accordance with the terms of this Agreement:

                     RESTRICTED SHARES DISTRIBUTION SCHEDULE
                     ---------------------------------------


                                                     Number of Shares
                 Date                                to be Liquidated
 -------------------------------------------------------------------------------

    February 2 through                  166,666 and 25% of the Additional Shares
    February 27, 1998

    March 2 through March 31, 1998      166,667 and 25% of the Additional Shares


<PAGE>

    April 1 through April 30,           229,167 and 25% of the Additional Shares
    1998

    May 1 through May 29,               250,000 and 25% of the Additional Shares
    1998


         (c)  Vision 21 agrees  that no matter  how the  Restricted  Shares  are
liquidated  pursuant to this Agreement on each of the dates set forth in Section
1(b)  hereof  the  Stockholder  shall  receive  from  Vision 21 and/or the party
purchasing  Restricted  Shares a sum equal to the number of Restricted Shares to
be sold on such date times the closing price of Vision 21 common stock as quoted
by the NASDAQ  National  Market  System on such date.  Vision 21 also agrees the
Stockholder  shall receive a minimum of an aggregate of Six Million Five Hundred
Thousand  Dollars  ($6,500,000)  and a maximum of an aggregate of Seven  Million
Four Hundred  Seventy-Five  Thousand Dollars ($7,475,000) in connection with the
liquidation  of the Restricted  Shares.  In the event the  Stockholder  realizes
aggregate  gross proceeds from the sale of the Restricted  Shares equal to Seven
Million Four Hundred  Seventy-Five  Thousand Dollars  ($7,475,000)  prior to all
Restricted  Shares being liquidated  pursuant to the Plan of  Distribution,  the
Restricted Shares not yet liquidated, if any, shall be returned to Vision 21. If
by 4:00 p.m., New York time, on May 29, 1998, the  Stockholder  has not realized
the sum of at least Six Million Five Hundred Thousand Dollars  ($6,500,000) from
the sale of the Restricted  Shares,  Vision 21 shall pay the Stockholder by wire
transfer of  immediately  available  funds on May 29, 1998 the cash sum which is
equal  to Six  Million  Five  Hundred  Thousand  Dollars  ($6,500,000)  less the
proceeds  received  through  such  date  by the  Stockholder  from  the  sale of
Restricted Shares.  However, if on such date not all Restricted Shares have been
liquidated  and Vision 21 exercises its right under Section 8 of this  Agreement
to redeem such Restricted Shares, then, such Restricted Shares shall be returned
to Vision 21 in connection with the purchase thereof.

         (d) Stockholder agrees not to sell, pledge,  transfer or dispose of the
Restricted  Shares except in accordance with the terms of this Agreement and the
terms of that  certain  Stock  Pledge  Agreement  between  the  Stockholder  and
Foothill Capital Corporation dated as of December 30, 1997.

         (e) The  parties  acknowledge  and agree that the number of  Restricted
Shares (and therefore the Six Million Five Hundred Thousand Dollar  ($6,500,000)
minimum payment  contemplated by Section 1(c) and the Seven Million Four Hundred
Seventy-Five  Thousand  Dollar  ($7,475,000)  maximum  payment  contemplated  by
Section 1(c)) shall be subject to the adjustments contemplated by Section 2.5 of
the Stock Purchase Agreement.

     2.  Shelf Registration.

         (a)  Vision  21 may,  in its  sole  discretion,  file  and  cause to be
declared  effective as soon as practicable a Registration  Statement pursuant to
the  Securities  Act of 1933, as amended (the  "Securities  Act") for all of the
Restricted   Shares  not  yet   liquidated  in  accordance   with  the  Plan  of
Distribution,  which form will then be available for the sale of the  Restricted
Shares in accordance with the Plan of Distribution.  The Registration  Statement
shall be kept  effective  until such time as all of the  Restricted  Shares have
been liquidated, provided that Vision 21 may terminate an effective Registration
Statement prior to all of the Restricted  Shares being liquidated if on the date
of such termination Vision 21 is in compliance with the terms of this Agreement.
<PAGE>

         (b) Vision 21 shall have the right to  extend,  temporarily  suspend or
delay the  effectiveness  of any  Registration  Statement  for a period of up to
thirty (30) days if, upon the advice of counsel,  such extension,  suspension or
delay is  advisable  and in the best  interests  of  Vision  21  because  of the
existence of non-public material information,  or to allow Vision 21 to complete
any pending audit of its financial  statements,  any material  public  financing
plan,  any  pending  material  acquisition,  or  to  release  audited  financial
statements  for any pending  material  acquisition as required by the Securities
and Exchange Commission (the  "Commission"),  provided that Vision 21 shall only
be entitled to one such suspension during the Plan of Distribution.

         (c)  The  Stockholder  agrees  to  cooperate  with  Vision  21  in  all
reasonable  respects in connection with  registration of the Restricted  Shares,
including  timely  supplying  all  information  and  executing and returning all
documents requested by Vision 21 which are reasonable and customary.

         (d)  Vision  21  shall  be  entitled  to  include  in the  Registration
Statement any other  securities of Vision 21 (whether to be offered by Vision 21
or other Vision 21 security  holders and regardless of the proposed terms of the
transfer or sale of such other securities).

     3.  Registration  Covenants  of Vision 21. In the event Vision 21 elects to
file a  Registration  Statement to liquidate the  Restricted  Shares,  Vision 21
hereby covenants and agrees to:
                 
         (a) Take such  steps as may be  necessary  to comply  with the Blue Sky
laws of such states as may be required by law;  provided  that in no event shall
Vision 21 be obligated to qualify to do business in any state where it is not so
qualified or to take any action which would  subject it to unlimited  service of
process in any state where it is not at such time so subject;

         (b) Pay all fees and expenses of Vision 21's  counsel,  all  accounting
costs  (including  costs  associated  with the  preparation  of  interim  period
financial  statements),  registration  and  Blue Sky  filing  fees,  NASD  fees,
printing costs, experts' fees and expenses, costs of post-effective  amendments,
Eligible  Broker's Fees (as defined  herein),  and all other usual and customary
expenses in connection with the Registration Statement;

         (c) Notify  the  Stockholder  promptly  after it shall  receive  notice
thereof,  of the  date  and  time  when  such  Registration  Statement  and each
post-effective  amendment  thereto has become  effective or a supplement  to any
prospectus  forming a part of such  Registration  Statement  has been  filed and
provide the  Stockholder  with such number of  prospectuses,  and any amendments
thereof or supplements thereto, the Stockholder may reasonably request;

         (d) Promptly  notify the  Stockholder  of any request by the Commission
for the amending or supplementing of such  registration  statement or prospectus
or for additional  information and provide the  Stockholder  with copies of such
requests;
<PAGE>

         (e) Prepare and promptly file with the Commission  and promptly  notify
Stockholder of the filing of such amendments or supplements to such Registration
Statement  or  prospectus  as may be  necessary  to correct  any  statements  or
omissions if, at the time when a prospectus relating to the Restricted Shares is
required to be delivered under the Securities Act, any event has occurred as the
result of which any such  prospectus  or any other  prospectus as then in effect
may include an untrue statement of a material fact or omit to state any material
fact required to be stated therein or necessary to make the  statements  therein
not misleading;

         (f) Advise the  Stockholder  promptly  after it shall receive notice or
obtain  knowledge  thereof,  of the issuance of any stop order by the Commission
suspending the effectiveness of such Registration Statement or the initiation or
threatening of any proceeding for that purpose and promptly use its best efforts
to prevent the  issuance of any stop order or to obtain its  withdrawal  if such
stop order should be issued; and

         (g) Once the Registration Statement is effective Vision 21 shall, on or
before the relevant date set forth in Section 1(b) hereof, instruct its transfer
agent to immediately  remove any restrictive  legend from that number Restricted
Shares  then  eligible  to be sold  pursuant  to the Plan of  Distribution.  For
purposes of Sections 3(b) and 6(b) "Eligible Broker's Fees" shall mean brokers',
underwriters' and placement  agents' fees,  commissions and discounts related to
the liquidation of Restricted  Shares pursuant to a Registration  Statement or a
private  placement,  provided that if the Stockholder  receives in excess of Six
Million Five Hundred  Thousand  Dollars  ($6,500,000)  from the  liquidation  of
Restricted  Shares then the amount so received by the  Stockholder  in excess of
Six Million Five Hundred Thousand Dollars ($6,500,000), shall be utilized to pay
all customary  brokers',  underwriters' and placement agents' fees,  commissions
and discounts related to the liquidation of Restricted  Shares,  until such fees
are paid in full and thereafter such excess shall be retained by the Stockholder
subject to the limitations of Section 1(c).

     4.  Registration Covenants of Stockholder. In the event Vision 21 elects to
file a Registration  Statement to liquidate the Restricted  Shares,  Stockholder
hereby covenants and agrees:
                 
         (a) To cooperate with Vision 21 in its compliance  with all federal and
state securities laws,  including without limitation  providing such information
and signing such documents as are necessary to effect  registration  pursuant to
this Agreement; and

         (b) To the  entry  of  stop  transfer  instructions  with  Vision  21's
transfer  agent  against  the  transfer  of  any  Restricted  Shares  except  in
compliance with all applicable securities laws.

     5.  Private Placement.

         (a)  Vision 21 may,  in its sole  discretion,  sell  Restricted  Shares
pursuant to a private placement through a market maker designated by Vision 21.
<PAGE>

         (b)  The  Stockholder  agrees  to  cooperate  with  Vision  21  in  all
reasonable  respects in connection with the private  placement of the Restricted
Shares,  including  timely supplying all information and executing and returning
all documents requested by Vision 21 which are reasonable and customary.

         (c) Vision 21 shall be entitled to include in the private placement any
other  securities  of Vision 21  (whether  to be  offered  by Vision 21 or other
Vision 21 security  holders and regardless of the proposed terms of the transfer
or sale of such other securities).

         (d) In connection with any private  placement of Restricted  Shares the
Stockholder  shall be entitled to receive from Vision 21 and/or the purchaser of
the  Restricted  Shares so sold the closing  price of Vision 21 common  stock as
quoted by the NASDAQ  National Market System on the date of the sale pursuant to
the private placement.

     6. Private Placement  Covenants of Vision 21. In the event Vision 21 elects
to liquidate the Restricted  Shares pursuant to a private  placement,  Vision 21
hereby covenants and agrees to:

         (a) Take such  steps as may be  necessary  to comply  with the Blue Sky
laws of such states as may be required by law;  provided  that in no event shall
Vision 21 be obligated to qualify to do business in any state where it is not so
qualified or to take any action which would  subject it to unlimited  service of
process in any state where it is not at such time so subject; and

         (b) Pay all fees and expenses of Vision 21's  counsel,  all  accounting
costs  (including  costs  associated  with the  preparation  of  interim  period
financial  statements),  registration and Blue Sky filing fees,  printing costs,
experts'  fees and expenses,  Eligible  Brokers'  Fees,  and all other usual and
customary expenses in connection with the private placement.

     7.  Private  Placement  Covenants  of  Stockholder.  In the event Vision 21
elects to  liquidate  the  Restricted  Shares  pursuant to a private  placement,
Stockholder hereby covenants and agrees:

         (a) To cooperate with Vision 21 in its compliance  with all federal and
state securities laws,  including without limitation  providing such information
and signing  such  documents as are  necessary  to effect the private  placement
pursuant to this Agreement; and

         (b) That in no event will the  Stockholder  be eligible to receive more
than the maximum  amount  contemplated  by Section 1(c) from the  liquidation of
Restricted Shares.

     8. Redemption.  Vision 21 shall have the right to redeem all or any part of
the Restricted  Shares at any time by paying the Stockholder a cash sum equal to
the  number  resulting  from  multiplying  the  number of  Restricted  Shares so
redeemed  by the  greater of (i) the  Valuation  Price (as  defined in the Stock
Purchase  Agreement),  and (ii) the closing  price of Vision 21 common  stock as
quoted by the NASDAQ National Market System on the date of such  redemption.  In
no event will the  Stockholder  be  eligible  to receive  more than the  maximum
amount contemplated by Section 1(c) from the liquidation of Restricted Shares.
<PAGE>

     9.  Indemnification of Stockholder.  Whenever  registration with respect to
any shares of Stockholder's  Restricted  Shares is effected under the Securities
Act pursuant  hereto or when  Restricted  Shares are sold  pursuant to a private
placement,  Vision 21 will indemnify and hold harmless the  Stockholder  and its
directors and officers from and against any and all losses, claims, liabilities,
expenses  and  damages  (including  any and all  investigative,  legal and other
expenses  reasonably  incurred  in  connection  with,  and  any  amount  paid in
settlement of, any action,  suit or proceeding or any claim asserted),  to which
they may become subject under the Securities  Act, the Exchange Act of 1934 (the
"Exchange Act") or other federal or state statutory law or regulation, at common
law or  otherwise,  insofar as such  losses,  claims,  liabilities,  expenses or
damages arise out of or are based on any untrue statement or alleged omission to
state in the  Registration  Statement,  private  placement  memorandum  or other
document  filed with the  Commission,  a material  fact required to be stated or
necessary to make the  statements  in such a document not  misleading,  provided
that Vision 21 will not be liable to  Stockholder  to the extent that such loss,
claim, liability,  expense or damage is based on an untrue statement or omission
made in reliance on and in  conformity  with  written  information  furnished to
Vision 21 by  Stockholder  or  through  any  attorney-in-fact  for  Stockholder,
expressly for inclusion in the Registration Statement or any prospectus included
in the Registration Statement or a private placement memorandum.

     10. Indemnification of Vision 21. Whenever registration with respect to any
shares of Stockholder's  Restricted  Shares is effected under the Securities Act
pursuant  hereto  or when  Restricted  Shares  are sold  pursuant  to a  private
placement,  the Stockholder  will indemnify and hold harmless Vision 21 and each
of Vision  21's  directors  and  officers  from and  against any and all losses,
claims, liabilities,  expenses and damages (including any and all investigative,
legal and other expenses  reasonably incurred in connection with, and any amount
paid in settlement of, any addition,  suit or proceeding or any claim asserted),
to which they, or any of them, may become subject under the Securities  Act, the
Exchange Act or other federal or state  statutory law or  regulation,  at common
law or  otherwise,  insofar as such  losses,  claims,  liabilities,  expenses or
damages  arise out of or are based on any untrue  statement  or  alleged  untrue
statement of a material fact required to be stated in the Registration Statement
or private  placement  memorandum  or necessary to make the  statements  in such
documents not misleading; provided that Stockholder will not be liable except to
the extent that such loss, claim, liability, expense or damage arises from or is
based upon an untrue  statement  or  omission  or alleged  untrue  statement  or
omission  made  in  reliance  on  and in  conformity  with  written  information
furnished to Vision 21 by the  Stockholder,  or by the  Stockholder  through any
attorney-in-fact,  expressly for inclusion in the registration  statement or any
prospectus  included  in such  registration  statement  or a  private  placement
memorandum.

     11. Defense of Claim.  Promptly  after receipt by an  indemnified  party of
notice of the commencement of any action, the indemnified party shall notify the
indemnifying party in writing of the commencement  thereof if a claim in respect
thereof is to be made against any indemnifying  party under this Agreement,  but
the  omission of such  notice  shall not  relieve  the  indemnifying  party from
liability  which it may have to the  indemnified  party  under  this  Agreement,
except to the extent that the indemnifying party is actually  prejudiced by such
failure to give notice,  and shall not relieve the  indemnifying  party from any
liability which it may have to any  indemnified  party otherwise than under this
Agreement.  In case any action is brought against the  indemnified  party and it
shall  notify  the  indemnifying   party  of  the  commencement   thereof,   the
indemnifying  party shall be entitled to participate  in, and to the extent that

<PAGE>

it chooses,  to assume the defense thereof with counsel reasonably  satisfactory
to the indemnified  party, and after notice from the  indemnifying  party to the
indemnified party that it so chooses, the indemnifying party shall not be liable
for any legal or other expenses  subsequently  incurred by the indemnified party
in  connection  with  the  defense  thereof;  provided  however  that (i) if the
indemnifying party fails to take reasonable steps necessary to defend diligently
the claim within twenty (20) days after  receiving  notice from the  indemnified
party that the indemnified  party believes the indemnifying  party has failed to
diligently  defend  such  claim,  or  (ii)  if the  indemnified  party  who is a
defendant  in any  action  or  proceeding  which  is also  brought  against  the
indemnifying party reasonably shall have concluded that there are legal defenses
available to the indemnified  party which conflict with the defense  strategy of
the  indemnifying  party,  or  (iii)  if in  the  opinion  of  counsel  for  the
indemnified   party  a  conflict  of  interest  exists  that  requires  separate
representation  of the indemnified  party and the indemnifying  party,  then the
indemnified  party shall have the right to assume or continue its own defense as
set forth above and the indemnifying party shall reimburse the indemnified party
for the  costs of such  defense.  In no event  shall the  indemnifying  party be
reasonable for the fees of more than one firm for all indemnified parties.

     12. Survival of Indemnity. The indemnifications  provided by this Agreement
shall  be  a  continuing  right  to   indemnification   and  shall  survive  the
registration   and  sale  of  any   securities   by  any  person   entitled   to
indemnification hereunder and the expiration or termination of this Agreement.

     13.  Remedies.  If Vision 21 fails to take the actions or make the payments
described  in Sections  1(a) or 1(c) hereof on or before the date which is three
business days after the date  specified in such  Sections  (the "Default  Date")
then the following shall apply:

         (a) Vision 21 shall prepare, and, on or prior to 20 business days after
the Default Date (the "Filing  Date"),  file with the  Commission a registration
statement  on Form S-3 (or, if Form S-3 is not then  available,  on such form of
registration  statement as is then available to effect a registration  of all of
the Restricted Shares) covering the resale of all of the Restricted Shares. Such
registration  statement  (and each  amendment or  supplement  thereto)  shall be
provided  to (and  subject  to the  approval  of  (which  approval  shall not be
unreasonably  withheld or delayed)) the  Stockholder  and their counsel prior to
its  filing or other  submission,  except to the  extent  that a  post-effective
amendment  of  such  registration   statement,  or  supplement  to  the  related
prospectus,  is required by  applicable  securities  law to be filed before such
approval can  reasonably  be obtained,  in which case Vision 21 shall  provide a
copy of such amendment or  supplement,  as applicable,  to the  Stockholder  and
their counsel as soon as  practicable  after such filing.  Vision 21 shall cause
such  registration  statement to become  effective as soon as practicable  after
such filing and keep such  registration  statement  effective at all times until
such  date as is the  earlier  of (i) the  date on which  all of the  Restricted
Shares have been sold, and (ii) the date on which all of the  Restricted  Shares
may be  immediately  sold to the  public  without  registration  conditions,  or
limitations,  whether  pursuant to Rule 144(k) or otherwise  (the  "Registration
Period").

         Vision 21 shall cause such  registration  statement to become effective
as soon as  practicable,  but in no event  later than the  ninetieth  (90th) day
following  the  Default  Date  (the  "Registration   Deadline").   If  (i)  such
registration  statement  covering all of the  Restricted  Shares is not declared

<PAGE>

effective by the  Commission  on or before the  Registration  Deadline,  or (ii)
after such registration statement has been declared effective by the Commission,
sales of all the Restricted  Shares cannot be made pursuant to such registration
statement  (by  reason of a stop  order or Vision  21's  failure  to update  the
registration statement), then Vision 21 will make payments to the Stockholder in
such amounts and at such times as shall be  determined  pursuant to this Section
13(a) as partial relief for the damages to the Stockholder by reason of any such
delay in or  reduction of their  ability to sell the  Restricted  Shares  (which
remedy  shall not be  exclusive  of any other  remedies  available  at law or in
equity).  Vision 21 shall pay to the  Stockholder an amount equal to (i) (A) .01
per  month  (prorated  daily  during  the first 30 days  after the  Registration
Deadline) and .02 per month, prorated daily (thereafter) times (B) the aggregate
value  of the  Restricted  Shares  not yet  liquidated  pursuant  to the Plan of
Distribution  (such value shall be  calculated  utilizing  the closing  price of
Vision 21 common stock as quoted by the NASDAQ  National Market System as of the
date the  Restricted  Stock was issued) times (ii) the sum of: (A) the number of
months (prorated per day for partial months) following the Registration Deadline
but prior to the date such registration  statement is declared  effective by the
Commission  plus (B) the number of months  (prorated per day for partial months)
following  the  Registration  Deadline  but  prior  to  the  termination  of the
Registration  Period  that sales  cannot be made  pursuant  to the  Registration
Statement after the  Registration  Statement has been declared  effective.  Such
amounts  shall be paid in cash within five  business  days after the end of each
period that gives rise to such  obligation,  provided  that,  if any such period
extends  for more  than 30  days,  payments  shall be made for each  such 30 day
period within five business days after the end of such 30 day period.

         (b) The Stockholder  will be free to sell all of the Restricted  Shares
in a private  placement or other  transaction  subject only to  compliance  with
applicable  securities laws,  including,  without limitation,  to persons in the
United  States  whom  the  Stockholder   reasonably  believes  to  be  qualified
institutional  buyers as defined in Rule 144A under the Securities  Act, as such
rule may be amended from time to time ("Rule 144A"), in transactions  under Rule
144A and (ii) to a limited number of other institutional  "accredited investors"
(as defined in Rule 501(a)(1),  (2), (3) and (7) under  Regulation D of the Act)
in private sales exempt from registration  under the Act (such persons specified
in clauses (i) and (ii) being referred to herein as the "Eligible  Purchasers").
Sales  to  Eligible  Purchasers  shall  be made in  compliance  with  applicable
securities  laws and any  shares  so sold  shall  bear  appropriate  restrictive
legends.

         Vision  21  agrees  to take  all  necessary  steps  to  facilitate  the
Stockholder's sale of the Restricted Shares to Eligible  Purchasers.  During the
period of time the Stockholder is trying to sell the Restricted  Shares pursuant
to this Section 13(b),  Vision 21 shall advise the Stockholder  promptly and, if
requested by it, shall promptly confirm such advice in writing,  of any material
adverse  change,  or of any  event  or  condition  known to  Vision  21 which is
reasonably likely to result in a material change, in the condition (financial or
other), business, prospects, liabilities (contingent or otherwise),  properties,
net worth,  solvency  or  results of  operations  of Vision 21  (whether  or not
arising in the ordinary  course of business),  or of the happening of any event,
any  information  becoming  known or the existence of any  condition  that would
require any amendment or supplement to any Vision 21 filing with the  Commission
so that such filings  would not contain any untrue  statement of a material fact
or omit to state a material fact  required to be stated  therein or necessary to
make the statements  therein, in the light of the circumstances under which they
were made, not misleading.
<PAGE>

         Vision 21 will cooperate with the  Stockholder  and with its counsel in
connection with the qualification of the Restricted Shares for offering and sale
by the Stockholder and by dealers to Eligible Purchasers under the securities or
Blue Sky laws of such  jurisdictions  as the  Stockholder may designate and will
file such  consents  to  service  of process  or other  documents  necessary  or
appropriate in order to effect such qualification.

         For so long as any of the Restricted Shares are held by the Stockholder
and are "restricted  securities"  within the meaning of Rule 144(a)(3) under the
Act and  during any  period in which  Vision 21 is not  subject to Section 13 or
15(d) of the Securities Exchange Act of 1934, as amended, Vision 21 will furnish
to holders  and  beneficial  owners of the  Restricted  Shares  and  prospective
purchasers of Restricted Shares designated by such holders, upon request of such
holders or beneficial  owners or such  prospective  purchasers,  the information
required to be  delivered  pursuant to Rule  144A(d)(4)  under the Act to permit
compliance with Rule 144A in connection with resales of the Restricted Shares.

         (c) The  Stockholder  will be free to seek all other remedies which may
be  available  at law or in equity in  connection  with Vision  21's  failure to
comply with the terms of this Agreement.

     14. Listing on Securities Exchanges.  Vision 21 shall cause the listing and
the  continuation  of listing of Vision 21's common stock on the NASDAQ National
Market.  By February 1, 1998  Vision 21 shall file the  appropriate  application
(and pay the associated fee) for listing the Restricted Shares with NASDAQ.

     15.  SEC  Filings.  During  the  period  of time the  Stockholder  owns the
restricted  Shares  Vision 21 shall  supply the  Stockholder  with a copy of all
annual or quarterly  reports of Vision 21 and such other  reports and  documents
filed by the Company with the  Commission.  Such copies shall be supplied within
three business days after the filing thereof with the Commission.

     16.   Non-Transferability.   The  benefits  set  forth  herein,   including
indemnification  by Vision 21, are granted for the sole and personal  benefit of
the Stockholder and may not be transferred or assigned,  provided that Vision 21
consents to the terms and conditions of that certain Collateral Assignment among
Vision 21, the Stockholder and Foothill Capital  Corporation  dated December 30,
1997.

     17. Delay of Registration.  Stockholder  agrees that it shall have no right
to  obtain  or  seek  an  injunction   restraining  or  otherwise  delaying  any
registration statement filed by Vision 21.

     18. Notices.

         (a) All  communications  under this  Agreement  shall be in writing and
shall be sufficient in all respects if personally delivered or mailed by prepaid
certified or registered mail, return receipt requested, addressed as follows:
<PAGE>

                     (i)    If to Vision 21, at:
                            Vision Twenty-One, Inc.
                            7209 Bryan Dairy Road
                            Largo, Florida 34647
                            Attn:  Theodore N. Gillette, Chief Executive Officer

                            With a copy to:

                            Darrell C. Smith, Esquire
                            Shumaker, Loop & Kendrick, LLP
                            101 E. Kennedy Boulevard, Suite 2800
                            Tampa, Florida 33602

                     (ii)   If to the Stockholder at:      

                            LaserSight Incorporated
                            12161 Lackland Road                             
                            St. Louis, Missouri 63146 
                            Attn: Michael R. Farris, Chief Executive Officer


                            with a copy to:

                            Alan B. Bornstein, Esquire
                            Sonnenschein Nath & Rosenthal
                            One Metropolitan Square
                            Suite 3000
                            St. Louis, Missouri 63102

or at such other address as one party may have furnished in writing to the other
 party.

         (b) Any notice so  addressed,  when mailed by  registered  or certified
mail, shall be deemed to be given three days after so mailed, and when delivered
by hand shall be deemed to be given upon delivery.

     19. Counterparts.  One or more counterparts of this Agreement may be signed
by the  parties,  each of which shall be an original  but all of which  together
shall constitute one and the same instrument.

     20. Governing Law. This Agreement shall be construed in accordance with and
governed by the internal  laws of the State of Florida,  which shall  prevail in
all matters arising under or in connection with this Agreement.

     21.  Headings.  The  headings  in this  Agreement  are for  convenience  of
reference  only and  shall  not be deemed  to alter or  affect  the  meaning  or
interpretation of any provisions hereof.
<PAGE>

     22. Stock Lettering.  Vision 21 shall have the right to provide a legend on
the  shares  of Common  Stock  covered  hereunder  reflecting  the  restrictions
described herein.

     IN WITNESS WHEREOF,  the undersigned have executed this Agreement as of the
date and year first above written.


                                       VISION TWENTY-ONE, INC.


                                       By:  /s/ Richard T. Welch
                                          -------------------------------
                                             Richard T. Welch,      
                                             its Chief Financial Officer


                                       LASERSIGHT INCORPORATED


                                       By:  /s/ Michael R. Farris
                                          -------------------------------
                                             Michael R. Farris,
                                             its Chief Executive Officer




                               ESCROW AGREEMENT
                                ----------------


         This  Escrow  Agreement  is made  and  entered  into  this  30th day of
December,  1997, by and among LASERSIGHT  INCORPORATED,  a Delaware  corporation
(the  "Stockholder"),  VISION TWENTY-ONE,  INC., a Florida corporation  ("Vision
21"), and SHUMAKER, LOOP & KENDRICK, LLP, as escrow agent (the "Escrow Agent").

                                 R E C I T A L S
                                 ---------------

     A. The  Stockholder and Vision 21 have executed that certain Stock Purchase
Agreement  effective  as of December 1, 1997 (the "Stock  Purchase  Agreement"),
pursuant  to which  Vision  21 has  agreed  to  acquire  all of the  issued  and
outstanding  stock of MEC Health  Care,  Inc., a Maryland  corporation,  and LSI
Acquisition,  Inc., a New Jersey  corporation  (the  "Acquired  Companies"),  in
exchange for shares of Vision 21 common stock and cash,  as more fully set forth
in the Stock Purchase Agreement.

     B. The parties  hereto  desire that the  transactions  contemplated  in the
Stock Purchase  Agreement shall be consummated  effective as of December 1, 1997
pending satisfaction of the terms and conditions set forth in the Stock Purchase
Agreement and this Escrow Agreement.

     C. The Stock Purchase  Agreement  provides for the Adjustment  Shares to be
held in escrow as a component of the Stock  Purchase  Consideration.  The Escrow
Agent is willing to act as escrow agent in respect of the  Adjustment  Shares on
the terms and conditions set forth herein.

     D. Capitalized  terms used herein and not otherwise  defined shall have the
meanings ascribed thereto in the Stock Purchase Agreement.

     NOW THEREFORE,  for and in consideration of the mutual  agreements,  terms,
covenants and conditions  herein and for other good and valuable  consideration,
the receipt and adequacy of which are hereby acknowledged,  the parties agree as
follows:

     1.  Recitals.  The  foregoing  recitals are  incorporated  into and made an
integral part of this Escrow Agreement.

     2. Escrow of Adjustment Shares.  The Escrow Agent  acknowledges  receipt of
the Adjustment  Shares delivered to it at closing pursuant to the Stock Purchase
Agreement.   The  Adjustment  Shares  and  any  other  funds  delivered  by  the
Stockholder to the Escrow Agent shall be held in escrow by the Escrow Agent,  at
no charge for such services,  until Escrow Agent either receives the appropriate
notice specified in Section 3 below or receives written  instructions  signed by
both the Stockholder and the Purchaser  describing how the Adjustment Shares and
any other funds are to be disbursed.

     3. Letter of Direction and Termination of Escrow.
<PAGE>

         (a) At the same time the Stockholder delivers to Vision 21 the Proposed
Stock Purchase  Consideration  Adjustment  contemplated by Section 2.5(b) of the
Stock Purchase Agreement, the Stockholder shall provide a letter of direction to
the Escrow  Agent (the  "Stockholder  Letter of  Direction")  setting  forth the
number of  Adjustment  Shares which are to be delivered  to the  Stockholder  in
accordance with Section 2.5(a) of the Stock Purchase  Agreement.  Subject to the
terms of Section 3(b) herein,  the Escrow Agent shall deliver to the Stockholder
the number of Adjustment Shares described in the Stockholder Letter of Direction
on the first to occur of (i) the  expiration of the  thirty-first  day after the
date the  Stockholder  Letter of Direction is delivered to the Escrow Agent,  or
(ii) Vision 21 providing Escrow Agent with written  instructions that the number
of  Adjustment  Shares  described  in the  Stockholder  Letter of  Direction  be
delivered to the  Stockholder.  Vision 21 agrees that if prior to the date which
is 30 days after the date the  Stockholder  supplies Vision 21 with the Proposed
Stock Purchase  Consideration  Adjustment it has determined  that it agrees with
the calculation of the Proposed Stock Purchase Consideration Adjustment, then it
will  promptly  provide the Escrow  Agent with the written  notice  described in
subsection (ii) of the immediately preceding sentence.

         (b) If  Vision  21  disputes  the  calculation  of the  Proposed  Stock
Purchase Consideration  Adjustment,  then on or before the date which is 30 days
after the date on which the  Stockholder  delivers the Proposed  Stock  Purchase
Consideration  Adjustment  to  Vision  21,  Vision  21  shall so  object  to the
Stockholder  and Escrow  Agent in writing (the  "Vision 21  Objection")  setting
forth  a  specific   description   of  the  nature  of  the  objection  and  the
corresponding adjustments Vision 21 believes should be made. If the Escrow Agent
has received the Vision 21 Objection it will not release any  Adjustment  Shares
until the first to occur of:

              (i) receipt of a written  notice  signed  jointly by Vision 21 and
              the Stockholder  setting forth the number of Adjustment  Shares to
              be delivered to the Stockholder; or

              (ii) receipt of the notice of  determination  by the arbitrator to
              be  appointed  pursuant  to Section  2.5(b) of the Stock  Purchase
              Agreement as to how many Adjustment  Shares are to be delivered to
              the Stockholder.

Immediately upon receipt of the notice contemplated by subsection (i) or (ii) of
the immediately  preceding sentence the Escrow Agent shall deliver the indicated
number of Adjustment Shares to the Stockholder.

         (c) If less than all of the  Adjustment  Shares are to be  delivered to
the Stockholder,  the Escrow Agent and Vision 21 will utilize their best efforts
to  instruct  Vision  21's  transfer  agent  to  cancel  the  stock  certificate
representing the Adjustment Shares and issue a new certificate representing that

<PAGE>

number of  Adjustment  Shares to be  delivered  to the  Stockholder.  Adjustment
Shares  which are not  delivered to the  Stockholder  pursuant to this Section 3
shall be returned to Vision 21.

         (d) The  obligation  of the  Escrow  Agent  hereunder  shall  terminate
immediately  upon the delivery of all Adjustment  Shares and other funds held by
the Escrow Agent in accordance  with the  provisions  of this  Agreement and any
other agreement among the Stockholder, Vision 21 and the Escrow Agent.

     4. Notices. All notices,  demands or other communications given under or in
connection with this Escrow  Agreement shall be in writing and sent by certified
mail,  return receipt  requested,  to the parties at the following  addresses or
such other addresses as the parties notify each other in writing:

       If to the Stockholder:  LaserSight Incorporated
                               12161 Lackland Road
                               St. Louis, MO  63146
                               Attn:  Michael R. Farris, Chief Executive Officer

       With copies to:         Sonnenschein Nath & Rosenthal
                               One Metropolitan Square
                               Suite 3000
                               St. Louis, Missouri 63102
                               Facsimile No. (314) 259-5959
                               Attn:  Alan Bornstein, Esquire

       If to Vision 21:        Vision Twenty-One, Inc.
                               7209 Bryan Dairy Road
                               Largo, Florida 33777
                               Attn: Richard Welch, CFO

       With a copy to:         Shumaker, Loop & Kendrick, LLP
                               101 East Kennedy Boulevard, Suite 2800
                               Tampa, Florida 33602
                               Attn: Darrell C. Smith, Esquire

       If to Escrow Agent:     Shumaker, Loop & Kendrick, LLP
                               101 East Kennedy Boulevard, Suite 2800
                               Tampa, Florida 33602

     5. Escrow  Agent.  The  following  provisions  shall  govern the duties and
responsibilities and define the liabilities of the Escrow Agent hereunder:
<PAGE>

         (a) Limited Liability. It is agreed that the duties of the Escrow Agent
are only such as herein  specifically  provided,  being  purely  ministerial  in
nature, and that the Escrow Agent shall incur no liability whatsoever except for
willful misconduct.  The Stockholder and Vision 21 release Escrow Agent from any
act  done or  omitted  to be done  by the  Escrow  Agent  in good  faith  in the
performance of the Escrow Agent's duties hereunder.

         (b)  Responsibilities.  Escrow  Agent shall be under no  responsibility
with  respect  to the  Adjustment  Shares  to be  held  by it  pursuant  to this
Agreement other than to faithfully  follow the  instructions  herein  contained.
Escrow  Agent may  consult  with  counsel  and shall be fully  protected  in any
actions taken in good faith, in accordance with such advice.  Escrow Agent shall
not be required to defend any legal proceedings which may be instituted  against
the Escrow Agent in respect to the subject matter of these  instructions  unless
requested  to do so by the  Stockholder  and  Vision 21 and  indemnified  to the
satisfaction  of the Escrow Agent  against the cost and expense of such defense.
Escrow Agent shall not be required to institute  legal  proceedings of any kind.
Escrow Agent shall have no responsibility for the genuineness or validity of any
documents or other items  deposited  with the Escrow  Agent,  and shall be fully
protected in acting in  accordance  with any written  instructions  given to the
Escrow Agent  hereunder  and believed by the Escrow Agent to have been signed by
the proper parties.

         (c)  Interpleader.  If there is any  dispute as to  whether  the Escrow
Agent  is  obligated  to  disburse  the  Adjustment  Shares,  or as to whom  the
Adjustment Shares are to be delivered, the Escrow Agent will not be obligated to
make any  delivery of said  Adjustment  Shares,  but in such event may hold said
Adjustment  Shares,  until receipt by the Escrow Agent of any  authorization  in
writing  signed  by all of the  persons  having  an  interest  in such  dispute,
directing the  disposition of the Adjustment  Shares,  or in the absence of such
authorization,  the Escrow Agent may hold the Adjustment  Shares until the final
determination of the rights of the parties in an appropriate proceeding. If such
written  authorization is not given, or proceedings for such  determination  are
not begun and  diligently  continued,  the Escrow Agent may, but is not required
to,  bring  an  appropriate  action  or  proceeding  for  leave to  deposit  the
Adjustment  Shares  in any  Circuit  Court in the  State of  Florida.  In making
delivery of the Adjustment  Shares in the manner provided for in this Agreement,
the  Escrow  Agent  shall  have no  further  liability  in the  matter,  and the
Stockholder and Vision 21 shall be liable for all Escrow Agent's costs and fees,
to include,  without  limitation,  attorney's fees related to the performance of
Escrow Agent's duties  hereunder.  Such liability will be divided evenly between
Vision 21 on the one hand and the Stockholder on the other hand.

         (d) No Conflict. The Stockholder  acknowledge that Escrow Agent acts as
Vision 21's legal  counsel.  The  Stockholder  and Vision 21 stipulate and agree
that,  in the  event a  dispute  arises  between  the  parties  concerning  this
Agreement,  Escrow Agent may continue to represent Vision 21 and the Stockholder
shall not request the  disqualification of Escrow Agent as counsel for Vision 21
because Escrow Agent is also acting as the Escrow Agent hereunder.
<PAGE>

         (e)  Indemnification.  The Stockholder and Vision 21 agree to indemnify
and hold the Escrow Agent  harmless  from any and all matters,  liabilities  and
damages  arising  out  of  this  Agreement  or the  Escrow  Agent's  duties  and
obligations  under this Agreement,  including,  without  limitation,  attorneys'
fees. Such  indemnification  will be divided evenly between Vision 21 on the one
hand and the Stockholder on the other hand.

     6.  Arbitration.  Disputes,  controversies  or claims  arising  out of this
Agreement  shall be resolved in accordance with the terms of Section 17.1 of the
Stock Purchase Agreement.

     7.  Agreement.  This Agreement shall not be amended except by an instrument
in writing signed by all the parties  hereto.  This Agreement may be executed in
one or more  counterparts,  each of which  shall be  deemed  an  original.  This
Agreement  shall be  binding on the  parties  hereto  and their  successors  and
assigns. In the event that any provision of this Agreement is held to be illegal
or unenforceable, the remainder of this Agreement shall remain in full force and
effect.  This Agreement  shall be construed and enforced in accordance  with the
laws of the State of Florida.

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

                                  "STOCKHOLDER"

                                  LASERSIGHT INCORPORATED


                                  By: /s/ Michael R. Farris
                                     ----------------------------
                                          Michael R. Farris
                                  As Its: Chief Executive Officer

                                  "VISION 21"

                                  VISION TWENTY-ONE, INC.


                                  By: /s/ Richard T. Welch
                                     ----------------------------
                                          Richard T. Welch
                                  As Its: Chief Financial Officer


                                  "ESCROW AGENT"

                                  SHUMAKER, LOOP & KENDRICK, LLP


                                  By: /s/ Victoria J. Elliot
                                     ----------------------------
                                          Victoria J. Elliot

                             STOCK PLEDGE AGREEMENT
                             ----------------------


              THIS  STOCK  PLEDGE  AGREEMENT  (this  "Agreement"),  dated  as of
December 30, 1997, is entered into between Lasersight  Incorporated,  a Delaware
corporation  ("Pledgor"),   and  Foothill  Capital  Corporation,   a  California
corporation ("Secured Party"), with reference to the following:

              WHEREAS,  Pledgor,  MEC Health Care, Inc., a Maryland  corporation
("MEC"),  LSI Acquisition,  Inc., a New Jersey corporation  ("LSI"),  Lasersight
Technologies,  Inc., a Delaware corporation,  Lasersight Centers Incorporated, a
Delaware   corporation,   and  MRF,   Inc.,  a  Missouri   corporation   ("MRF")
(collectively  "Borrower") and Secured Party have entered into that certain Loan
and Security  Agreement  dated as of March 31, 1997,  as amended by that certain
Consent and  Amendment  Number One to Loan and Security  Agreement,  dated as of
July 28, 1997,  by that  certain  Consent and  Amendment  number Two to Loan and
Security  Agreement,  dated as of August 29, 1997,  by that certain  Consent and
Amendment Number Three to Loan and Security Agreement, dated as of September 10,
1997, and by that certain Consent and Amendment Number Four to Loan and Security
Agreement, of even date herewith (as amended, the "Loan Agreement");

              WHEREAS,  Pledgor has entered  into that  certain  Stock  Purchase
Agreement dated as of December 1, 1997 (the "Stock Purchase  Agreement") whereby
Pledgor has sold all of the issued and outstanding  common stock held by Pledgor
in MEC and LSI to Vision Twenty-One, Inc., a Florida corporation ("Vision");

              WHEREAS,  Borrower has requested that Foothill consent to the sale
by Pledgor of all of the issued and outstanding  capital stock of MEC and LSI to
Vision for a total purchase price of $13,000,000,  payable $6,500,000 in cash at
closing to occur on the date hereof,  and the balance of $6,500,000  (subject to
adjustment as described in the Stock Purchase  Agreement) to be paid between the
date hereof and May 29, 1998 through Pledgor's disposition, on a periodic basis,
pursuant  to the  terms of the  certain  Stock  Distribution  Agreement  between
Pledgor and Vision dated as of December 30, 1997 (the "Distribution Agreement"),
of shares of Vision's  common  stock  received  from Vision at the closing  (the
"Vision Pledged  Shares") as more fully described on Schedule A attached hereto,
(subject to $1,000,000 of the Vision Pledged Shares (the "Escrow  Shares") being
retained by Vision  subject to an Escrow  Agreement  between  Pledgor and Vision
dated as of December 30, 1997 (the "Escrow  Agreement")  to effect certain stock
purchase  consideration  adjustments  set  forth  in  Section  2.5 of the  Stock
Purchase  Agreement) and, in the event that Pledgor has not received  $6,500,000
through the  disposition  of the Vision Pledged Shares on or before May 29, 1998
(subject to adjustment  as described in the Stock  Purchase  Agreement),  Vision
will pay the amount of any such shortfall on such date to Pledgor in cash;  that

<PAGE>

Foothill further agrees to a waiver of compliance by Borrower with the Financial
Covenants as set forth in the Loan Agreement  until June 15, 1998; that the Loan
Agreement be amended to delete MEC and LSI as borrowers  thereunder and that all
other Loan Documents, including, but not limited to, the Stock Pledge Agreement,
the Copyright Security Agreement,  the Patent Security Agreement,  the Trademark
Security  Agreement,  and the  Suretyship  Agreement,  in each case  between the
Borrower and Foothill and dated as of March 31, 1997, be simultaneously  amended
to delete MEC and LSI as parties  thereto;  and that  Foothill  further agree to
release its lien of the  capital  stock and assets of each of MEC and LSI and to
amend all filed  financing  statements  to delete  MEC and LSI as  debtors  (the
foregoing hereinafter referred to as the "Transaction").

              WHEREAS,  as a condition  precedent to  Foothill's  consent to the
Transaction,  Foothill  requires  that the  Borrower,  out of the  initial  cash
proceeds  received  by it from the  Transaction,  reduce the amount  outstanding
under the Term Loan as of the date hereof by $2,000,000, with the balance of the
Term Loan to be repaid on or before June 15, 1998, out of the proceeds  received
from  Pledgor's  disposition  of the Vision  Pledged  Shares  after  Pledgor has
received $2,500,000 of such proceeds; that the Borrower, also out of the initial
cash proceeds from the Transaction,  repay all Revolving Advances outstanding as
of the date hereof; and that the Loan Agreement be amended to change the Maximum
Revolver Amount from $4,000,000 to $2,000,000, with all Revolving Advances being
fully repaid and the Loan Agreement terminated as of June 15, 1998.

              WHEREAS,  to induce  Secured Party to consent to the  Transaction,
Pledgor  desires  to pledge,  grant,  transfer,  and  assign to Secured  Party a
security  interest  in the  Collateral  (as  hereinafter  defined) to secure the
Secured Obligations (as hereinafter defined), as provided herein.

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

              1.  Definitions and Construction. 

                  (A) Definitions.  All initially  capitalized terms used herein
and not otherwise  defined herein shall have the meaning ascribed thereto in the
Loan Agreement. As used in this Agreement:

                      "Agreement" shall mean this Stock Pledge Agreement.

                      "Borrower"  shall  have  the  meaning  set  forth  in  the
recitals to this Agreement.

                      "Chief  Executive  Office"  shall  mean  where  Pledgor is
deemed located pursuant to ss.9-103(3)(d) of the Code.
<PAGE>

                      "Code" means the California Uniform Commercial Code.

                      "Collateral"   shall  mean  the  Vision  Pledged   Shares,
including,  but not limited to, the Escrow Shares,  the Future  Rights,  and the
Proceeds, collectively.

                      "Future Rights" shall mean: (a) all shares of stock (other
than Vision  Pledged  Shares) of Borrower,  and all  securities  convertible  or
exchangeable  into,  and all  warrants,  options,  or other  rights to purchase,
shares  of  stock  of  Borrower;   and  (b)  the   certificates  or  instruments
representing  such additional  shares,  convertible or exchangeable  securities,
warrants, and other rights and all dividends,  cash, options,  warrants, rights,
instruments,  and  other  property  or  proceeds  from  time to  time  received,
receivable, or otherwise distributed in respect of or in exchange for any or all
of such shares.

                      "Holder" and "Holders" shall have the meaning set forth in
Section 3 of this Agreement.

                      "Lien" shall mean any lien, mortgage,  pledge,  assignment
(including  any  assignment  of rights to receive  payments of money),  security
interest,  charge, or encumbrance of any kind (including any conditional sale or
other  title  retention  agreement,  any  lease in the  nature  thereof,  or any
agreement to give any security interest).

                      "Loan  Agreement"  shall have the meaning ascribed thereto
in the recitals to this Agreement.

                      "Loan   Documents"   means   the   Loan   Agreement,   the
Disbursement  Letter,  the Lockbox  Agreements,  the Guaranty,  the Stock Pledge
Agreement,  the Copyright Security Agreement, the Patent Security Agreement, the
Trademark Security Agreement,  the Warrant,  the Suretyship  Agreement,  the IBM
Consent,  any note or notes executed by a Borrower and payable to Foothill,  and
any other agreement  entered into, now or in the future,  in connection with the
Loan Agreement.

                      "Pledgor" shall have the meaning set forth in the preamble
to this Agreement.

                      "Proceeds" shall mean all proceeds  (including proceeds of
proceeds) of the Vision  Pledged  Shares and Future  Rights  including  all: (a)
rights, benefits,  distributions,  premiums, profits, dividends, interest, cash,
instruments,   documents  of  title,  accounts,   contract  rights,   inventory,
equipment,  general  intangibles,  deposit  accounts,  chattel paper,  and other
property from time to time  received,  receivable,  or otherwise  distributed in
respect of or in exchange for, or as a replacement of or a substitution for, any
of the Vision Pledged Shares,  Future Rights, or proceeds thereof (including any
cash,   stock,   or  other   securities   or   instruments   issued   after  any

<PAGE>

recapitalization,  readjustment,  reclassification, merger or consolidation with
respect  to  Borrower  and any claims  against  financial  intermediaries  under
ss.8-313(2) of the Code or otherwise);  (b)  "proceeds," as such term is used in
ss.9-306 of the Code; (c) proceeds of any  insurance,  indemnity,  warranty,  or
guaranty  (including  guaranties  of  delivery)  payable  from time to time with
respect to any of the Vision Pledged Shares, Future Rights, or proceeds thereof;
(d)  payments (in any form  whatsoever)  made or due and payable to Pledgor from
time to time in connection  with any  requisition,  confiscation,  condemnation,
seizure or forfeiture of all or any part of the Vision  Pledged  Shares,  Future
Rights,  or proceeds  thereof;  and (e) other  amounts from time to time paid or
payable under or in connection  with any of the Vision  Pledged  Shares,  Future
Rights, or proceeds thereof.

                      "Revolving  Advances"  shall mean advances made by Secured
Party to Borrower pursuant to Section 2.1 of the Loan Agreement.

                      "Secured   Obligations"   shall   mean  all   liabilities,
obligations,  or undertakings  owing by Borrower to Secured Party of any kind or
description arising out of or outstanding under, advanced or issued pursuant to,
or evidenced by the Loan Agreement, the other Loan Documents, or this Agreement,
irrespective  of whether for the payment of money,  whether  direct or indirect,
absolute or contingent, due or to become due, voluntary or involuntary,  whether
now  existing or  hereafter  arising,  and  including  all  interest  (including
interest that accrues after the filing of a case under the Bankruptcy  Code) and
any and all costs, fees (including  attorneys fees), and expenses which Borrower
is required to pay pursuant to any of the foregoing, by law, or otherwise.

                      "Secured  Party"  shall have the  meaning set forth in the
preamble to this Agreement, together with its successors or assigns.

                      "Securities  Act"  shall  have the  meaning  set  forth in
Section 9(c) of this Agreement.

                      "Stock  Purchase  Agreement"  shall have the  meaning  set
forth in the recitals of this Agreement.

                      "Term Loan"  shall mean the term loan by Secured  Party to
Borrower pursuant to Section 2.3 of the Loan Agreement.

                      "Transaction"  shall  have the  meaning  set  forth in the
recitals to this Agreement.

                      "Vision  Pledged  Shares"  shall  mean  all of the  shares
described in the recitals to this Agreement  including,  but not limited to, the
Escrow Shares.
<PAGE>

                      "Vision  Stock  Distribution  Agreement"  shall  mean that
certain Stock Distribution  Agreement dated as of December 30, 1997 entered into
between Pledgor and Vision.

                  (B) Construction.

                          (I)  Unless  the  context  of this  Agreement  clearly
requires  otherwise,  references  to the plural  include the singular and to the
singular  include the plural,  the part includes the whole, the term "including"
is not limiting,  and the term "or" has, except where otherwise  indicated,  the
inclusive  meaning  represented  by the  phrase  "and/or."  The words  "hereof,"
"herein," "hereby," "hereunder," and other similar terms in this Agreement refer
to this Agreement as a whole and not exclusively to any particular  provision of
this Agreement.  Article, section, subsection,  exhibit, and schedule references
are to  this  Agreement  unless  otherwise  specified.  All of the  exhibits  or
schedules  attached to this  Agreement  shall be deemed  incorporated  herein by
reference.  Any reference to any of the following documents includes any and all
alterations, amendments, restatements,  extensions, modifications,  renewals, or
supplements  thereto  or  thereof,  as  applicable:  this  Agreement,  the  Loan
Agreement, or any of the other Loan Documents.

                          (II) Neither this  Agreement  nor any  uncertainty  or
ambiguity  herein  shall be  construed  or  resolved  against  Secured  Party or
Pledgor,  whether under any rule of construction or otherwise.  On the contrary,
this  Agreement  has been  reviewed by both of the parties and their  respective
counsel and shall be construed and interpreted according to the ordinary meaning
of the words used so as to fairly  accomplish the purposes and intentions of the
parties hereto.

                          (III) In the event of any direct conflict  between the
express terms and  provisions of this Agreement and of the Loan  Agreement,  the
terms and provisions of the Loan Agreement shall control.

               2. Pledge.  As security for the prompt payment and performance of
the  Secured  Obligations  in full by  Borrower  when  due,  whether  at  stated
maturity,  by acceleration or otherwise (including amounts that would become due
but for the operation of the provisions of the Bankruptcy Code),  Pledgor hereby
pledges, grants,  transfers, and assigns to Secured Party a security interest in
all of Pledgor's right,  title, and interest in and to the Collateral subject in
all respects to the Vision Stock Distribution Agreement.
<PAGE>

              3.  Delivery and Registration of Collateral.

                  (A) Upon receipt by Pledgor,  all  certificates or instruments
representing or evidencing the Collateral shall be promptly delivered by Pledgor
to  Secured  Party or Secured  Party's  designee  pursuant  hereto at a location
designated  by Secured  Party and shall be held by or on behalf of Secured Party
pursuant  hereto,  and shall be in suitable  form for transfer by  delivery,  or
shall be accompanied  by duly executed  instruments of transfer or assignment in
blank, all in form and substance satisfactory to Secured Party.

                  (B) After the  occurrence  and  during the  continuance  of an
Event  of  Default,  Secured  Party  shall  have the  right,  at any time in its
discretion and without  notice to Pledgor,  to transfer to or to register on the
books of Borrower  (or of any other Person  maintaining  records with respect to
the  Collateral)  in the name of Secured Party or any of its nominees any or all
of the Collateral.  In addition,  Secured Party shall have the right at any time
to exchange  certificates or instruments  representing or evidencing  Collateral
for certificates or instruments of smaller or larger denominations.

                  (C) If,  at any  time and from  time to time,  any  Collateral
(including  any  certificate  or  instrument   representing  or  evidencing  any
Collateral) is in the possession of a Person other than Secured Party or Pledgor
(a "Holder"), then Pledgor shall immediately,  at Secured Party's option, either
cause such  Collateral  to be delivered  into  Secured  Party's  possession,  or
execute and deliver to such Holder a written notification/instruction,  and take
all other steps  necessary to perfect the security  interest of Secured Party in
such Collateral,  including obtaining from such Holder a written acknowledgement
that such Holder  holds such  Collateral  for  Secured  Party,  all  pursuant to
ss.ss.8-313  and  8-321  of the  Code or  other  applicable  law  governing  the
perfection  of  Secured  Party's  security  interest  in the  Collateral  in the
possession   of   such   Holder.   Each   such    notification/instruction   and
acknowledgement shall be in form and substance satisfactory to Secured Party.

                  (D) Any and all Collateral (including dividends, interest, and
other cash  distributions)  at any time  received or held by Pledgor shall be so
received  or held in trust for Secured  Party,  shall be  segregated  from other
funds and property of Pledgor and shall be forthwith  delivered to Secured Party
in the same  form as so  received  or held,  with  any  necessary  endorsements;
provided that cash dividends or distributions received by Pledgor, if and to the
extent they are not prohibited by the Loan Agreement, may be retained by Pledgor
in  accordance  with  Section 4 and used in the  ordinary  course  of  Pledgor's
business.

                  (E) If at any  time  and  from  time  to time  any  Collateral
consists of an  uncertificated  security or a security in book entry form,  then
Pledgor shall immediately cause such Collateral to be registered or entered,  as

<PAGE>

the case may be,  in the name of  Secured  Party,  or  otherwise  cause  Secured
Party's security  interest thereon to be perfected in accordance with applicable
law.

              4.  Voting Rights and Dividends.

                  (A) So long as no Event of Default  shall have occurred and be
continuing,  Pledgor  shall be entitled to exercise any and all voting and other
consensual  rights  pertaining  to the  Collateral  or any part  thereof for any
purpose  not  inconsistent  with the  terms of the Loan  Documents  and shall be
entitled  to receive  and retain any cash  dividends  or  distributions  paid in
respect of the Collateral.

                  (B) Upon the occurrence and during the continuance of an Event
of Default,  all rights of Pledgor to exercise  the voting and other  consensual
rights or receive  and retain  cash  dividends  or  distributions  that it would
otherwise be entitled to exercise or receive and retain, as applicable  pursuant
to Section 4(a),  shall cease, and all such rights shall thereupon become vested
in Secured  Party,  who shall  thereupon  have the sole right to  exercise  such
voting or other consensual  rights and to receive and retain such cash dividends
and  distributions.  Pledgor  shall execute and deliver (or cause to be executed
and  delivered)  to Secured  Party all such  proxies  and other  instruments  as
Secured Party may reasonably  request for the purpose of enabling  Secured Party
to exercise  the voting and other rights which it is entitled to exercise and to
receive  the  dividends  and  distributions  that it is  entitled to receive and
retain pursuant to the preceding sentence.

               5. Representations and Warranties. Pledgor represents,  warrants,
and covenants as follows:

                  (A)  Pledgor  has  taken  all  steps  it  deems  necessary  or
appropriate to be informed on a continuing basis of changes or potential changes
affecting the Collateral (including rights of conversion and exchange, rights to
subscribe,  payment of dividends,  reorganizations or  recapitalization,  tender
offers and voting  rights),  and Pledgor agrees that Secured Party shall have no
responsibility  or  liability  for  informing  Pledgor  of any such  changes  or
potential  changes or for taking any action or  omitting to take any action with
respect thereto;

                  (B) All  information  herein or hereafter  supplied to Secured
Party by or on behalf of Pledgor in writing with respect to the  Collateral  is,
or in the case of information  hereafter supplied will be, accurate and complete
in all material respects;

                  (C) Pledgor is and will be the sole legal and beneficial owner
of the Collateral  (including the Vision Pledged Shares and all other Collateral
acquired by Pledgor after the date hereof) free and clear of any adverse  claim,
Lien,  or other  right,  title,  or  interest of any party;  provided,  however,
Secured  Party  acknowledges  and agrees  that the Escrow  Shares are subject to
adjustment as described in the Stock Purchase Agreement;
<PAGE>

                  (D) This  Agreement,  and the delivery to Secured Party of the
Vision Pledged Shares representing Collateral (or the delivery to all Holders of
the    Vision     Pledged    Shares     representing     Collateral    of    the
notification/instruction  referred to in Section 3 of this Agreement), creates a
valid,  perfected,  and first priority  security interest in one hundred percent
(100%) of the Vision Pledged Shares,  not including the Escrow Shares,  in favor
of Secured Party securing  payment of the Secured  Obligations,  and all actions
necessary to achieve such perfection have been duly taken;

                  (E)  Schedule  A to this  Agreement  is true and  correct  and
complete in all  material  respects;  without  limiting  the  generality  of the
foregoing:  (i) all the Vision Pledged  Shares are in  certificated  form,  and,
except to the  extent  registered  in the name of Secured  Party or its  nominee
pursuant to the  provisions  of this  Agreement,  are  registered in the name of
Pledgor;  and (ii) as of the date hereof the Vision Pledged Shares constitute at
least the percentage of all the fully diluted issued and  outstanding  shares of
stock of Vision as set forth in Schedule A to this Agreement;

                  (F) There are no presently  existing Future Rights or Proceeds
owned by Pledgor;

                  (G) To the best of  Pledgor's  knowledge,  the Vision  Pledged
Shares  have been duly  authorized  and  validly  issued  and are fully paid and
nonassessable; and

                  (H)  Neither  the pledge of the  Collateral  pursuant  to this
Agreement nor the extensions of credit  represented  by the Secured  Obligations
violates  Regulation  G, T, U or X of the  Board  of  Governors  of the  Federal
Reserve System.
<PAGE>

              6.  Further Assurances.

                  (A) Pledgor  agrees that from time to time,  at the expense of
Pledgor,  Pledgor will promptly execute and deliver all further  instruments and
documents,  and take all further  action  that may be  necessary  or  reasonably
desirable,  or that Secured  Party may request,  in order to perfect and protect
any security  interest  granted or  purported to be granted  hereby or to enable
Secured  Party to exercise  and enforce its rights and remedies  hereunder  with
respect to any  Collateral.  Without  limiting the  generality of the foregoing,
Pledgor will: (i) at the request of Secured Party,  mark  conspicuously  each of
its records  pertaining to the Collateral  with a legend,  in form and substance
reasonably  satisfactory  to Secured Party,  indicating  that such Collateral is
subject to the  security  interest  granted  hereby;  (ii) execute and file such
financing or  continuation  statements,  or amendments  thereto,  and such other
instruments  or notices,  as may be necessary  or  reasonably  desirable,  or as
Secured  Party may  request,  in order to  perfect  and  preserve  the  security
interests  granted or purported to be granted hereby;  (iii) allow inspection of
the Collateral by Secured Party or Persons designated by Secured Party; and (iv)
appear in and defend any action or proceeding that may affect Pledgor's title to
or Secured Party's security interest in the Collateral.

                  (B) Pledgor  hereby  authorizes  Secured  Party to file one or
more financing or continuation statements,  and amendments thereto,  relative to
all or any  part of the  Collateral  without  the  signature  of  Pledgor  where
permitted  by  law.  A  carbon,  photographic,  or  other  reproduction  of this
Agreement or any financing statement covering the Collateral or any part thereof
shall be sufficient as a financing statement where permitted by law.

                  (C) Pledgor will furnish to Secured Party, upon the request of
Secured Party: (i) a certificate  executed by an authorized  officer of Pledgor,
and dated as of the date of delivery to Secured Party,  itemizing in such detail
as Secured  Party may  request,  the  Collateral  which,  as of the date of such
certificate,  has been  delivered  to Secured  Party by Pledgor  pursuant to the
provisions of this  Agreement;  and (ii) such  statements and schedules  further
identifying  and  describing the Collateral and such other reports in connection
with the Collateral as Secured Party may request.

              7.  Covenants of Pledgor.  Pledgor shall:

                  (A) Perform each and every  covenant in the Loan Documents and
agreements with Vision applicable to Pledgor;

                  (B) At all times keep at least one complete set of its records
concerning  substantially all of the Collateral at its Chief Executive Office as
set forth in  Schedule  B  hereto,  and not  change  the  location  of its Chief
Executive  Office or such records  without  giving Secured Party at least thirty
(30) days prior written notice thereof; and
<PAGE>

                  (C) Upon receipt by Pledgor of any material notice, report, or
other communication from Vision or any Holder relating to all or any part of the
Collateral,  deliver such notice, report or other communication to Secured Party
as soon as  possible,  but in no event  later than five (5) days  following  the
receipt thereof by Pledgor.

              8.  Secured Party as Pledgor's Attorney-in-Fact.

                  (A)  Pledgor  hereby  irrevocably  appoints  Secured  Party as
Pledgor's  attorney-in-fact,  with  full  authority  in the  place  and stead of
Pledgor and in the name of Pledgor,  Secured  Party or  otherwise,  from time to
time at Secured  Party's  discretion,  to take any  action  and to  execute  any
instrument  that Secured  Party may  reasonably  deem  necessary or advisable to
accomplish the purposes of this Agreement,  including:  (i) after the occurrence
and during the  continuance  of an Event of Default,  to receive,  endorse,  and
collect all  instruments  made  payable to Pledgor  representing  any  dividend,
interest payment or other  distribution in respect of the Collateral or any part
thereof to the extent  permitted  hereunder  and to give full  discharge for the
same and to execute and file  governmental  notifications  and reporting  forms;
(ii) to issue  any  notifications/instructions  Secured  Party  deems  necessary
pursuant to Section 3 of this Agreement; or (iii) to arrange for the transfer of
the  Collateral  on the books of  Borrower  or any  other  Person to the name of
Secured Party or to the name of Secured Party's nominee.

                  (B) In  addition  to  the  designation  of  Secured  Party  as
Pledgor's   attorney-in-fact  in  subsection  (a),  Pledgor  hereby  irrevocably
appoints Secured Party as Pledgor's agent and  attorney-in-fact to make, execute
and  deliver  any and all  documents  and  writings  which may be  necessary  or
appropriate for approval of, or be required by, any regulatory authority located
in any city, county, state or country where Pledgor or any other Borrower engage
in  business,  in order to transfer or to more  effectively  transfer any of the
Vision Pledged Shares or otherwise enforce Secured Party's rights hereunder.
<PAGE>

              9.  Remedies  upon  Default.  Upon the  occurrence  and during the
continuance  of an Event of Default and  subject to the terms and  conditions of
the  Vision  Stock  Distribution Agreement:

                  (A) Secured  Party may exercise in respect of the  Collateral,
in  addition  to other  rights and  remedies  provided  for herein or  otherwise
available to it, all the rights and remedies of a secured party on default under
the Code  (irrespective  of whether the Code  applies to the  affected  items of
Collateral),  and Secured  Party may also  without  notice  (except as specified
below) sell the  Collateral or any part thereof in one or more parcels at public
or private sale, at any exchange,  broker's  board or at any of Secured  Party's
offices or elsewhere,  for cash, on credit or for future delivery,  at such time
or times and at such price or prices and upon such other terms as Secured  Party
may deem commercially  reasonable,  irrespective of the impact of any such sales
on the market  price of the  Collateral.  To the  maximum  extent  permitted  by
applicable  law,  Secured  Party  may  be  the  purchaser  of  any or all of the
Collateral  at any such sale and shall be  entitled,  for the purpose of bidding
and making settlement or payment of the purchase price for all or any portion of
the Collateral sold at any such public sale, to use and apply all or any part of
the  Secured  Obligations  as a credit on account of the  purchase  price of any
Collateral  payable at such sale. Each purchaser at any such sale shall hold the
property  sold  absolutely  free from any claim or right on the part of Pledgor,
and  Pledgor  hereby  waives  (to the  extent  permitted  by law) all  rights of
redemption,  stay, or appraisal that it now has or may at any time in the future
have under any rule of law or statute now existing or hereafter enacted. Pledgor
agrees that, to the extent notice of sale shall be required by law, at least ten
(10) calendar days notice to Pledgor of the time and place of any public sale or
the time after which a private  sale is to be made shall  constitute  reasonable
notification.  Secured  Party  shall  not be  obligated  to  make  any  sale  of
Collateral  regardless  of notice of sale having been given.  Secured  Party may
adjourn any public or private sale from time to time by announcement at the time
and place fixed therefor,  and such sale may, without further notice, be made at
the time and place to which it was so adjourned. To the maximum extent permitted
by law,  Pledgor hereby waives any claims against  Secured Party arising because
the price at which any  Collateral may have been sold at such a private sale was
less than the price that  might have been  obtained  at a public  sale,  even if
Secured  Party  accepts  the  first  offer  received  and  does not  offer  such
Collateral to more than one offeree.

                  (B) Pledgor  hereby agrees that any sale or other  disposition
of the Collateral  conducted in conformity with reasonable  commercial practices
of banks,  insurance companies,  or other financial  institutions in the City of
Los Angeles, California in disposing of property similar to the Collateral shall
be deemed to be commercially reasonable.

                  (C) Pledgor hereby acknowledges that the sale by Secured Party
of any Collateral pursuant to the terms hereof in compliance with the Securities
Act of 1933 as now in effect or as  hereafter  amended,  or any similar  statute

<PAGE>

hereafter adopted with similar purpose or effect (the "Securities Act"), as well
as  applicable  "Blue Sky" or other state  securities  laws may  require  strict
limitations as to the manner in which Secured Party or any subsequent transferee
of the Collateral may dispose thereof.  Pledgor  acknowledges and agrees that in
order to  protect  Secured  Party's  interest  it may be  necessary  to sell the
Collateral  at a price less than the  maximum  price  attainable  if a sale were
delayed  or were made in another  manner,  such as a public  offering  under the
Securities  Act.  Pledgor has no  objection  to sale in such a manner and agrees
that Secured Party shall have no obligation to obtain the maximum possible price
for the Collateral.  Without  limiting the generality of the foregoing,  Pledgor
agrees that,  upon the  occurrence  and during the  continuation  of an Event of
Default, Secured Party may, subject to applicable law, from time to time attempt
to sell all or any part of the  Collateral by a private  placement,  restricting
the bidders and  prospective  purchasers  to those who will  represent and agree
that they are  purchasing for investment  only and not for  distribution.  In so
doing,  Secured  Party  may  solicit  offers to buy the  Collateral  or any part
thereof for cash, from a limited number of investors deemed by Secured Party, in
its reasonable  judgment,  to be  institutional  investors or other  responsible
parties who might be interested in purchasing the  Collateral.  If Secured Party
shall  solicit such offers,  then the  acceptance by Secured Party of one of the
offers shall be deemed to be a commercially  reasonable method of disposition of
the Collateral.

                  (D) If Secured Party shall  determine to exercise its right to
sell all or any  portion of the  Collateral  pursuant to this  Section,  Pledgor
agrees that,  upon request of Secured  Party,  Pledgor  will,  at the expense of
Secured Party, if so requested:

                        (I) use its  reasonable  efforts to execute and deliver,
and request  that Vision and the  directors  and  officers  thereof  execute and
deliver,  all such instruments and documents,  and to do or cause to be done all
such other acts and things,  as may be  necessary  or, in the opinion of Secured
Party,  advisable  to  register  such  Collateral  under the  provisions  of the
Securities  Act, and to cause the  registration  statement  relating  thereto to
become  effective and to remain  effective for such period as  prospectuses  are
required by law to be  furnished,  and to make all  amendments  and  supplements
thereto and to the related  prospectuses which, in the opinion of Secured Party,
are  necessary or  advisable,  all in conformity  with the  requirements  of the
Securities  Act and the rules and  regulations  of the  Securities  and Exchange
Commission applicable thereto;

                        (II)  use  its   reasonable   efforts  to  qualify   the
Collateral  under the state securities laws or "Blue Sky" laws and to obtain all
necessary governmental approvals for the sale of the Collateral, as requested by
Secured Party;

                        (III)  request  that  Vision  make  available  to  their
respective security holders, as soon as practicable, an earnings statement which
will satisfy the provisions of Section 11(a) of the Securities Act;
<PAGE>

                        (IV)  execute and  deliver,  or cause the  officers  and
directors  of  Vision  to  execute  and  deliver,  to  any  person,   entity  or
governmental  authority as Secured  Party may choose,  any and all documents and
writings  which,  in Secured Party's  reasonable  judgment,  may be necessary or
appropriate for approval, or be required by, any regulatory authority located in
any city,  county,  state or country where Pledgor or Vision engage in business,
in order to transfer or to more  effectively  transfer the Vision Pledged Shares
or otherwise enforce Secured Party's rights hereunder; and

                        (V) do or  cause  to be done  all  such  other  acts and
things  as may be  necessary  to make such  sale of the  Collateral  or any part
thereof valid and binding and in compliance with applicable law.

Pledgor  acknowledges  that there is no adequate remedy at law for failure by it
to comply with the provisions of this Section and that such failure would not be
adequately  compensable  in damages,  and therefore  agrees that its  agreements
contained in this Section may be specifically enforced.

                  (E) PLEDGOR  EXPRESSLY  WAIVES TO THE MAXIMUM EXTENT PERMITTED
BY LAW: (i) ANY CONSTITUTIONAL OR OTHER RIGHT TO A JUDICIAL HEARING PRIOR TO THE
TIME SECURED PARTY  DISPOSES OF ALL OR ANY PART OF THE COLLATERAL AS PROVIDED IN
THIS SECTION; (ii) ALL RIGHTS OF REDEMPTION,  STAY, OR APPRAISAL THAT IT NOW HAS
OR MAY AT ANY TIME IN THE  FUTURE  HAVE  UNDER  ANY RULE OF LAW OR  STATUTE  NOW
EXISTING OR HEREAFTER  ENACTED;  AND (iii) EXCEPT AS SET FORTH IN SUBSECTION (a)
OF THIS SECTION, ANY REQUIREMENT OF NOTICE, DEMAND, OR ADVERTISEMENT FOR SALE.

               10. Application of Proceeds.  After the occurrence and during the
continuance of an Event of Default, any cash held by Secured Party as Collateral
and all cash  proceeds  received  by  Secured  Party in  respect of any sale of,
collection  from, or other  realization  upon all or any part of the  Collateral
pursuant to the exercise by Secured Party of its remedies as a secured  creditor
as provided in Section 9 shall be applied from time to time by Secured  Party as
provided in the Loan Agreement.

               11.  Duties of Secured  Party.  The powers  conferred  on Secured
Party  hereunder are solely to protect its interests in the Collateral and shall
not impose on it any duty to exercise such powers. Except as provided in Section
9-207  of the  Code,  Secured  Party  shall  have no duty  with  respect  to the
Collateral  or any  responsibility  for taking any  necessary  steps to preserve
rights against any Persons with respect to any Collateral.

               12. Choice of Law and Venue. THE VALIDITY OF THIS AGREEMENT,  ITS
CONSTRUCTION,  INTERPRETATION,  AND  ENFORCEMENT,  AND THE RIGHTS OF THE PARTIES
HERETO SHALL BE DETERMINED UNDER,  GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH

<PAGE>

THE LAWS OF THE STATE OF  CALIFORNIA.  THE  PARTIES  AGREE  THAT ALL  ACTIONS OR
PROCEEDINGS  ARISING  IN  CONNECTION  WITH  THIS  AGREEMENT  SHALL BE TRIED  AND
LITIGATED  ONLY IN THE STATE AND  FEDERAL  COURTS  LOCATED  IN THE COUNTY OF LOS
ANGELES,  STATE OF CALIFORNIA  OR, AT THE SOLE OPTION OF SECURED  PARTY,  IN ANY
OTHER COURT IN WHICH SECURED PARTY SHALL INITIATE LEGAL OR EQUITABLE PROCEEDINGS
AND WHICH HAS SUBJECT MATTER  JURISDICTION OVER THE MATTER IN CONTROVERSY.  EACH
OF PLEDGOR AND SECURED PARTY WAIVES,  TO THE EXTENT  PERMITTED UNDER  APPLICABLE
LAW, ANY RIGHT EACH MAY HAVE TO ASSERT THE DOCTRINE OF FORUM NON  CONVENIENS  OR
TO OBJECT TO VENUE TO THE EXTENT ANY  PROCEEDING IS BROUGHT IN  ACCORDANCE  WITH
THIS SECTION.

               13.  Amendments;  Etc. No amendment or waiver of any provision of
this  Agreement  nor consent to any departure by Pledgor  herefrom  shall in any
event be  effective  unless the same  shall be in writing  and signed by Secured
Party,  and then such waiver or consent shall be effective  only in the specific
instance and for the specific purpose for which given. No failure on the part of
Secured  Party to  exercise,  and no delay in  exercising  any right  under this
Agreement,  any other Loan  Document,  or  otherwise  with respect to any of the
Secured Obligations,  shall operate as a waiver thereof; nor shall any single or
partial exercise of any right under this Agreement,  any other Loan Document, or
otherwise with respect to any of the Secured  Obligations  preclude any other or
further  exercise  thereof or the  exercise  of any other  right.  The  remedies
provided for in this  Agreement or otherwise  with respect to any of the Secured
Obligations are cumulative and not exclusive of any remedies provided by law.

               14. Notices.  Unless otherwise  specifically provided herein, any
notice or other communication  herein required or permitted to be given shall be
in writing and shall be delivered in the manner set forth in the Loan Agreement.

               15. Continuing  Security Interest.  This Agreement shall create a
continuing  security  interest in the Collateral  and shall:  (i) remain in full
force  and  effect  until  the  indefeasible  payment  in  full  of the  Secured
Obligations,  including the cash collateralization,  expiration, or cancellation
of all Secured  Obligations,  if any,  consisting of letters of credit,  and the
full  and  final   termination   of  any  commitment  to  extend  any  financial
accommodations  under the Loan  Agreement;  (ii) be binding upon Pledgor and its
successors and assigns;  and (iii) inure to the benefit of Secured Party and its
successors,  transferees,  and assigns. Upon the indefeasible payment in full of
the Secured Obligations,  including the cash collateralization,  expiration,  or
cancellation  of all  Secured  Obligations,  if any,  consisting  of  letters of
credit,  and the full and final  termination  of any  commitment  to extend  any
financial  accommodations  under  the Loan  Agreement,  the  security  interests
granted  herein shall  automatically  terminate and all rights to the Collateral
shall  revert to Pledgor.  Upon any such  termination,  Secured  Party will,  at

<PAGE>

Pledgor's  expense,  execute and deliver to Pledgor  such  documents  as Pledgor
shall reasonably  request to evidence such termination.  Such documents shall be
prepared by Pledgor and shall be in form and substance  reasonably  satisfactory
to Secured Party.

               16. Security Interest  Absolute.  To the maximum extent permitted
by law, all rights of Secured Party, all security interests  hereunder,  and all
obligations  of  Pledgor   hereunder,   shall  be  absolute  and   unconditional
irrespective of:

                  (A)  any  lack of  validity  or  enforceability  of any of the
Secured  Obligations  or any other  agreement or  instrument  relating  thereto,
including any of the Loan Documents;

                  (B) any change in the time, manner, or place of payment of, or
in any  other  term of,  all or any of the  Secured  Obligations,  or any  other
amendment  or waiver of or any  consent  to any  departure  from any of the Loan
Documents, or any other agreement or instrument relating thereto;

                  (C) any  exchange,  release,  or  non-perfection  of any other
collateral,  or any release or  amendment  or waiver of or consent to  departure
from any guaranty for all or any of the Secured Obligations; or

                  (D) any other circumstances that might otherwise  constitute a
defense available to, or a discharge of, Pledgor.

To the maximum  extent  permitted  by law,  Pledgor  hereby  waives any right to
require  Secured Party to: (A) proceed against or exhaust any security held from
Pledgor; or (B) pursue any other remedy in Secured Party's power whatsoever.

               17. Headings.  Section and subsection  headings in this Agreement
are included herein for convenience of reference only and shall not constitute a
part of this Agreement or be given any substantive effect.

               18.  Severability.  In case any provision in or obligation  under
this Agreement shall be invalid,  illegal or unenforceable in any  jurisdiction,
the  validity,  legality  and  enforceability  of the  remaining  provisions  or
obligations, or of such provision or obligation in any other jurisdiction, shall
not in any way be affected or impaired thereby.

               19.  Counterparts.  This Agreement may be executed in one or more
counterparts,  each of  which  shall  be  deemed  an  original  and all of which
together shall constitute one and the same Agreement.
<PAGE>

               20.  Waiver of  Marshaling.  Each of Pledgor  and  Secured  Party
acknowledges  and agrees that in exercising  any rights under or with respect to
the  Collateral:  (i)  Secured  Party is  under no  obligation  to  marshal  any
Collateral; (ii) may, in its absolute discretion, realize upon the Collateral in
any order and in any  manner  it so  elects;  and  (iii)  may,  in its  absolute
discretion,  apply the proceeds of any or all of the  Collateral  to the Secured
Obligations  in any order and in any manner it so elects.  Pledgor  and  Secured
Party waive any right to require the marshaling of any of the Collateral.

               21. Waiver of Jury Trial.  PLEDGOR AND SECURED PARTY HEREBY WAIVE
THEIR  RESPECTIVE  RIGHTS TO A JURY TRIAL OF ANY CLAIM OR CAUSE OF ACTION  BASED
UPON OR ARISING OUT OF THIS  AGREEMENT OR ANY OF THE  TRANSACTIONS  CONTEMPLATED
HEREIN,  INCLUDING CONTRACT CLAIMS, TORT CLAIMS,  BREACH OF DUTY CLAIMS, AND ALL
OTHER COMMON LAW OR STATUTORY  CLAIMS.  PLEDGOR AND SECURED PARTY REPRESENT THAT
EACH HAS REVIEWED THIS WAIVER AND EACH KNOWINGLY AND VOLUNTARILY WAIVES ITS JURY
TRIAL  RIGHTS  FOLLOWING  CONSULTATION  WITH  LEGAL  COUNSEL.  IN THE  EVENT  OF
LITIGATION,  A COPY OF THIS  AGREEMENT  MAY BE FILED AS A WRITTEN  CONSENT  TO A
TRIAL BY THE COURT.

               22. Vision Stock Distribution Agreement. Notwithstanding anything
herein to the contrary,  Pledgor may direct Secured Party in writing to sell all
or a portion of the Collateral in accordance with the terms of the  Distribution
Agreement  specifying the time,  place and manner of any such sale and the price
per share for which any of the  Collateral  is to be sold or otherwise  disposed
of. Upon receipt of such direction,  Secured Party will sell or cause to be sold
that portion of the  Collateral in the manner as directed by Pledgor.  The first
$2,500,000  of proceeds  from the  Collateral  received by Secured Party will be
applied as and when collected to the then outstanding  Revolving  Advances.  All
proceeds received after the receipt of the initial  $2,500,000 in proceeds shall
be applied by  Secured  Party as and when  collected  in  repayment  of the then
outstanding balance under the Term Loan until the Term Loan is fully repaid. All
proceeds received in excess of the amount necessary to fully repay the Term Loan
will  be  applied  as and  when  collected  to the  then  outstanding  Revolving
Advances.

               23. The Escrow Shares.  Any Escrow Shares  released to Pledgor by
Vision pursuant to the terms of the Escrow Agreement, after the determination of
any stock purchase consideration adjustment pursuant to Section 2.5 of the Stock
Purchase Agreement,  shall be immediately delivered or caused to be delivered by
Pledgor to Secured Party subject to this Agreement and Pledgor shall immediately
deliver to Secured Party sufficient stock powers endorsed in black to cover such
released Escrow Shares.


<PAGE>


                  IN WITNESS WHEREOF, Pledgor and Secured Party have caused this
Agreement to be duly executed and  delivered by their  officers  thereunto  duly
authorized as of the date first written above.


FOOTHILL CAPITAL CORPORATION,                  LASERSIGHT INCORPORATED
a California corporation                       a Delaware corporation


By  /s/ Kent Dahl                              By  /s/ Michael R. Farris
   --------------------                           -------------------------
Title: E.V.P.                                  Title: 
                                                               



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