Document:

EXHIBIT 10.56
                          TECHNOLOGY PURCHASE AGREEMENT

         THIS TECHNOLOGY PURCHASE AGREEMENT ("Agreement") is made as of March 8,
2000, by and between LASERSIGHT TECHNOLOGIES, INC., a Delaware corporation
("Buyer"), and PREMIER LASER SYSTEMS, INC., a California corporation and its
wholly-owned subsidiary EYESYS-PREMIER, INC., a Delaware corporation
(collectively, "Seller").

                                    RECITALS

         A. Seller  desires  to sell to Buyer,  and Buyer  desires  to
purchase from Seller, certain assets comprising and related to Seller's corneal
topography/wave front aberration measurement system currently under development
and referred to as Topomax (collectively, the "Topomax System"), upon the terms
and conditions set forth herein.

         B. In connection therewith, Buyer and Seller desire to enter into
certain other agreements and covenants as set forth herein.

         NOW,  THEREFORE,  in  consideration  of the  premises and of the mutual
covenants of the parties hereinafter expressed, it is hereby agreed as follows:

                                    SECTION 1
                           PURCHASE AND SALE OF ASSETS

         1.1  Purchased Assets and Excluded Assets.

              (a)  Purchased Assets.  Subject to the terms and conditions
                   ----------------
         hereof, on the Closing Date (as hereinafter defined), Seller agrees to
         sell, transfer, assign and deliver to Buyer and Buyer agrees to
         purchase from Seller the following:

                   (i) all  interests of Seller in (A) any  prototype of
                   the Topomax System, (B) computer disks or CD Roms
                   that contain information related to the Topomax
                   System downloaded from Seller's computers or computer
                   system, and (C) all tangible personal property,
                   including, but not limited to, all furniture,
                   fixtures, computer hardware, equipment and supplies
                   which at any time have been utilized solely in
                   connection with the development of the Topomax System;

                   (ii) all interests of Seller in existing  versions of
                   the Topomax System related computer software
                   (including object code and source code, in machine
                   readable and listing form) operating systems,
                   application programs, routines and subroutines,
                   screen displays, user interfaces and machine
                   interfaces, Topomax System documentation, and all
                   files and records pertaining to the conception and
                   reduction to practice of the same, including, but not
                   limited to, the right to use and modify (solely for

<PAGE>

                   purposes of developing and commercializing the
                   Topomax System) such items that are utilized in
                   Seller's EyeSys line of products;

                   (iii) all Seller's right, title and interest to other
                   Topomax System related technology and know-how,
                   including, but not limited to, all algorithms,
                   patents, copyrights, tradenames, trademarks,
                   servicemarks, registered or unregistered, including
                   applications and registrations therefor and any
                   reissues, divisionals, continuations or
                   continuations-in-part thereof, trade secrets,
                   confidential business information (including ideas,
                   formulas, compositions, supplier and customer lists,
                   inventions, know-how, manufacturing and production
                   processes and techniques, research and development
                   information, drawings, designs, plans, proposals and
                   technical data, financial, marketing and business
                   data, pricing and cost information) and other Topomax
                   System related intellectual property rights; and all
                   of Seller's right, title and interest in and to any
                   third-party software (to the extent transferable) or
                   other technology which has been incorporated in the
                   Topomax Intellectual Property (as defined herein),
                   utilized by Seller in connection with the development
                   of the Topomax System at any time prior to or as of
                   the Closing Date, including, but not limited to, all
                   files, records and documentation pertaining to the
                   conception, development and reduction to practice of
                   the inventions claimed in the Topomax Intellectual
                   Property and those items more specifically described
                   on Schedule 1.1(a)(iii) hereto (collectively, the
                   "Topomax Intellectual Property");

                   (iv) all of  Seller's  goodwill  associated  with the
                   Topomax System and all causes of actions related to
                   the Topomax Intellectual Property, including, but not
                   limited to, all rights of recovery to past, present
                   and future infringement of the Topomax Intellectual
                   Property; and

                   (v)  copies  or  originals  of  all  Seller's  books,
                   records, ledgers, files, documents, correspondence,
                   lists, plats, drawings, creative materials,
                   advertising and promotional materials, studies,
                   reports and other printed or written materials used
                   by Seller relating to the Topomax System.

         All of the  assets of Seller to be  purchased  by Buyer  hereunder  are
herein sometimes collectively referred to as the "Purchased Assets."

              (b)  Excluded  Assets.  The parties  acknowledge  and
         agree that Buyer is acquiring hereunder only those assets or rights
         which are defined herein, collectively, as the Purchased Assets and
         that the Purchased Assets expressly exclude all other assets of Seller
         which do not relate to the Topomax Field (as defined in the Premier
         License (as defined herein)).

<PAGE>

              (c) Discovered Assets. If after the Closing, Buyer or
         Seller discovers any Purchased Assets that were not previously
         transferred to Buyer (each such item a "Discovered Asset"), such
         Discovered Asset shall be deemed to have been a component of the
         Purchased Assets. The party which discovers the Discovered Asset shall
         promptly provide the other party with written notice briefly describing
         the Discovered Asset. Seller hereby agrees to deliver to Buyer or its
         permitted assigns such consents, documents and instruments and to take
         such other actions, as may be required for the purpose of providing
         Buyer with all of Seller's right, title and interest in the Discovered
         Asset. If Buyer is unable for any reason to secure a signature from an
         authorized officer or agent of Seller for such consents, documents and
         instruments necessary to carry out the terms set forth in this Section
         1.1(c), Seller does hereby irrevocably designate and appoint Buyer and
         its authorized officers and agents as Seller's agent and
         attorney-in-fact, to act for and in Seller's behalf and stead to
         execute such items, with the same legal effect as if executed by
         Seller.

         1.2  Liabilities  and Obligations Are Not Being Assumed.  Buyer wil
              --------------------------------------------------
not assume, and will not be deemed to have assumed any liabilities of Seller,
whether fixed, contingent or unliquidated, whenever arising prior to the date of
the Closing or thereafter. Without limiting the foregoing, Buyer does not assume
and shall not be obligated to pay or satisfy any obligation, debt or liability,
contingent or otherwise, of Seller, including without limitation, any liability
for taxes, whether measured by income, sales or otherwise.

         1.3  Purchase Price. In addition to the consideration in the form of
              --------------
the license granted to Seller as described below, the aggregate consideration
(the "Purchase Price") to be paid by Buyer to Seller (or to such party as Seller
shall direct) for the Purchased Assets shall be $4,050,000 which shall be
payable as follows:

              (a)  on  the  Closing   Date  (as   defined   herein) $2,825,000
         shall be delivered to Seller by wire transfer of immediately
         available funds to such accounts as shall be designated by Seller prior
         to the Closing;

              (b) on the date  which is 30 days  after the Closing Date $500,000
         shall  be  delivered  to  Seller  by wire  transfer of immediately
         available  funds to such account as shall be designated by
         Seller; and

              (c) on the date  which is 60 days  after the  Closing Date
         $725,000  shall  be  delivered  to  Seller  by wire  transfer  of
         immediately  available  funds to such account as shall be designated by
         Seller.

         Seller  acknowledges and agrees that the payments  described in Section
1.3(b) and (c) shall be subject to set-off for Seller's indemnification
obligations as described in Section 7.3 of this Agreement. In addition, if any
of the sale of the Purchased Assets to Buyer, the LaserSight License (as defined
herein), the termination of the Sarver Agreements (as defined herein) or the
release of David Liu ("Liu") contemplated by Section 4.1 is being challenged (or

<PAGE>

an official committee or any party with standing threatens to challenge such
transaction) on any basis as a result of Seller filing for protection under any
bankruptcy or insolvency statute or rule, then the payments described in Section
1.3(b) and (c), to the extent such payments have not already been made, shall
not be made until approval of all such transactions. If such a challenge or
threat occurs and such approval is not received, then Buyer shall not be
obligated to make either of the payments described in Section 1.3(b) and (c), to
the extent such payments have not already been made, and Buyer shall be repaid
all amounts previously paid by Buyer to Seller, and upon such repayment Buyer
shall return the Purchased Assets to Seller to the extent Buyer has been repaid.
The existence of, or outcome related to, any such challenge or threat which
occurs after the Closing Date will not affect the fact that all right, title and
interest to the Purchased Assets transferred to Buyer at the Closing.

         1.4  Closing.  The  closing of the  transactions  contemplated  by this
Agreement (the "Closing") shall take place on March 8, 2000 if the conditions
set forth in Sections 5 and 6 have been satisfied, or as soon thereafter as such
conditions have either been satisfied or waived by the party benefiting from
such conditions, at the offices of Buyer, or at such other place as the parties
shall agree (the "Closing Date"), and shall be effective as of 12:01 a.m. on the
Closing Date.

         At the Closing,  Seller shall execute and deliver to Buyer  appropriate
instruments of assignment, transfer and conveyance and such other documents as
Buyer or its counsel shall reasonably request to transfer to Buyer title to and
right to possession of the Purchased Assets, free and clear of any liens,
claims, security interests or encumbrances.

                                    SECTION 2
               REPRESENTATIONS, WARRANTIES AND COVENANTS OF SELLER

         Seller hereby  represents  and warrants to Buyer as of the Closing Date
as follows. In connection with the following representations and warranties, to
the extent any representation or warranty is made "to Seller's knowledge" such
phrase shall mean the knowledge of Michael J. Quinn, Robert V. Mahoney, Liu or
Sarver (as defined herein).

         2.1  Corporate  Organization.  Seller is a corporation  duly
              -----------------------
organized, validly  existing and in good standing under the laws of the
jurisdiction of its incorporation,  with all requisite power and authority
(corporate and other) to own its properties and assets and to conduct its
business as now conducted.

         2.2  Corporate  Authority.  As of the Closing Date, Seller will have
              --------------------
the corporate power to enter into this Agreement and to carry out its
obligations hereunder. As of the Closing Date, the execution and delivery of
this Agreement and all agreements contemplated hereunder and the performance of
Seller's obligations hereunder and thereunder, will have been duly authorized by
the Board of Directors of Seller, and no other corporate proceedings on the part
of Seller will be necessary to authorize such execution, delivery and
performance. This Agreement and all agreements contemplated hereunder have been

<PAGE>

duly executed by Seller and, as of the Closing Date, will constitute valid and
legally binding obligations of Seller, enforceable against Seller in accordance
with the terms hereof and thereof, except to the extent that such enforcement
may be subject to bankruptcy, insolvency, reorganization, moratorium or other
similar laws now or hereafter in effect relating to creditors' rights generally,
and the remedy of specific performance and injunctive and other forms of
equitable relief may be subject to equitable defenses and to the discretion of
the court before which any proceeding therefore may be brought.

         2.3  No Violation.  Neither the execution,  delivery nor the
performance by Seller of this Agreement and all agreements  contemplated
hereunder violates or will violate any provision of law, of any order, judgment
or decree of any court or other governmental or regulatory authority, or of the
charter documents or by-laws of Seller, nor violates or will result in a breach
of or constitute (with due notice or lapse of time or both) a default under any
contract, lease, loan agreement, mortgage, security agreement, trust indenture
or other agreement or instrument to which Seller is a party or by which it is
bound or to which any of its properties or assets is subject, nor will result in
the creation or imposition of any lien, charge or encumbrance of any kind
whatsoever upon any of the properties or assets of Seller. Seller has not issued
any preferred stock nor does there exist any shareholders agreement relating to
Seller's capital stock. The transactions contemplated by this Agreement will not
violate any term or condition of any shareholders' agreement, bond, indenture,
contract or other instrument or require any consent thereunder.

         2.4 Consents  and  Approvals.  No consent,  waiver,  authorization,  or
              -----------------------
approval of any governmental or regulatory authority, domestic or foreign, or of
any  other  person,  firm or  corporation,  and no  declaration  to or filing or
registration with any such governmental or regulatory authority,  is required in
connection  with the execution  and delivery of this  Agreement by Seller or the
performance by Seller of its  obligations  hereunder,  except that an assignment
form will have to be filed with the United States Patent and Trademark Office to
record the transfer of the Topomax Patents (as defined on Schedule 1.1(a)(iii)).

         2.5  Litigation.  There are no  claims,  actions,  suits,  proceedings,
              ----------
disputes or investigations pending or, to Seller's knowledge, threatened before
any federal, state or local court or governmental or regulatory authority,
domestic or foreign, or before any arbitrator of any nature, brought by or
against Seller involving, affecting or relating to the Purchased Assets or the
transactions contemplated by this Agreement. Neither Seller nor the Purchased
Assets is subject to any order, writ, judgment, award, injunction or decree of
any federal, state or local court or governmental or regulatory authority or
arbitrator.

         2.6  Title.  As of the  Closing  Seller is the sole owner of all right,
              -----
title and interest in and to the Purchased Assets. Buyer acknowledges that it
has reviewed the disclosure set forth on Schedule 2.6 and understands the nature
of the confirmatory assignments described therein. Buyer acknowledges that
certain of Seller's ownership rights to the Purchased Assets derive from the
Sarver Agreements. Seller does not have any subsidiaries or affiliates that have

<PAGE>

any rights or interests, directly or indirectly, in any of the Purchased Assets.
Seller has the legal right to transfer the Purchased Assets as set forth in this
Agreement, and Seller has not executed any agreement which is in conflict with
the terms of this Agreement. The intellectual property assignments which have
been granted by Seller in favor of Strong River Investments, Inc. ("SRI") and
Herkimer LLC ("Herkimer") have been granted as collateral security interests
only and do not constitute an absolute assignment of such intellectual property.
Except for the intellectual property assignments which have been granted to SRI
and Herkimer, there are no other purported liens or assignments which encumber
the Purchased Assets.

         2.7  Topomax Intellectual Property.
              -----------------------------

              (a) Set forth on Schedule  1.1(a)(iii)  hereto is a listing of
         all United States and foreign patents, registered or unregistered,
         including applications and registrations therefor and any reissues,
         divisionals, continuations or continuations-in-part thereof, and trade
         secrets which have been incorporated in or are practiced by the Topomax
         System. Except for the security interests of SRI and Herkimer, title to
         the Topomax Intellectual Property is held exclusively by Seller free
         and clear of all options, liens, security interests, agreements,
         restrictions and other encumbrances. Seller has no registered
         copyrights, and no tradenames, trademarks, servicemarks, registered or
         unregistered, relating to the Topomax System.

              (b) There are no challenges, proceedings or infringement suits
         pending or, to the knowledge of Seller,  threatened with respect to the
         Topomax Intellectual Property.

              (c) The  Topomax  Intellectual  Property  has  been  developed
         exclusively by Seller and to Seller's (and employees with
         responsibility for intellectual property matters) knowledge none of the
         apparatus or methods associated with the Topomax Intellectual Property
         conflicts with, infringes or violates the rights of any other party.

              (d)  As of  the  Closing  Date,  except  for  Seller's  rights
         pursuant to the Premier License (as defined herein), neither Seller nor
         any person other than Buyer shall have any claim to, rights under, or
         interest in the Topomax System or the Topomax Intellectual Property,
         including, but not limited to, Topomax System software source code and
         object code, provided that Buyer acknowledges that certain of Seller's
         ownership rights to the Purchased Assets derive from the Sarver
         Agreements.

              (e) As of the  Closing  Date,  Buyer  will be vested  with all
         right, title and interest in and to the Topomax Intellectual  Property,
         free and clear of any rights or claims of any third party.

              (f) To the  knowledge of Seller,  the Topomax  Patents and the
         patents licensed to Buyer pursuant to the LaserSight License are all of
         the patents incorporated in or practiced by the Topomax System and/or
         Seller's EyeSys products.
<PAGE>

         2.8  Patent Protection.  Schedule 1.1(a)(iii)  represents a complete
              -----------------
and accurate list of all jurisdictions and registration numbers related to such
jurisdictions where the Topomax Patents have been applied for, registered, or
where any continuation or reissue applications corresponding to the Topomax
Patents have been filed, and there are no other jurisdictions where the Topomax
Patents have been registered or an application for registration has been made.
Except as indicated on Schedule 1.1(a)(iii), Seller has taken all reasonable and
customary action to maintain and protect the Topomax Patents and has paid all
fees to maintain Seller's rights in the Topomax Patents.

         2.9  Third-Party Rights. Seller has not previously used or disclosed
              ------------------
the Topomax Intellectual Property or any part thereof anywhere in the world. To
Seller's knowledge, none of the Topomax Patents are being infringed anywhere in
the world. Seller has not granted any license, right or option in or to any of
the Purchased Assets.

         With  respect to each of the Topomax  Patents,  Seller  warrants  that,
except as set forth on Schedule 2.9: (a) none of the Topomax Patents are, nor
has any of them ever been, subject to any injunction, judgment, order, decree,
ruling or charge; (b) to the knowledge of Seller (and employees with
responsibility for intellectual property matters) no action, suit, proceeding,
hearing, investigation, charge, complaint, claim or demand (collectively, a
"Claim") is or ever has been pending or is threatened which challenges the
legality, validity, enforceability, or ownership of any of the Topomax Patents;
and (c) to the knowledge of Seller (and employees with responsibility for
intellectual property matters), there is not any basis for any such Claim, and
Seller has received no notice asserting that any proposed development,
manufacturing, use, sale, license or disposition of products covered by the
Topomax Patents infringes or would infringe the rights of any other party.

         2.10 Accuracy  of  Information.  All  documents  delivered  or  to  be
              -------------------------
delivered by Seller, and to Seller's knowledge, all documents to be delivered on
behalf of Seller, in connection with this Agreement and the transactions
contemplated hereby are true, complete and correct in all material respects.
Neither this Agreement, nor any of the other documents contains any untrue
statement of a material fact or omits a material fact necessary to make the
statements made by Seller herein or therein, in light of the circumstances in
which made, not misleading.

         2.11 Agreements,  Judgments and Decrees. Seller represents and warrants
              ----------------------------------
that it is not subject to any agreement, judgment or decree which could
materially and adversely affect its ability to satisfy its obligations
hereunder.

         2.12 Transfer of Purchased  Assets.  The Purchase Price constitutes the
              -----------------------------
highest and best price Seller could receive for the Purchased Assets and was
arrived at through arm's length negotiations between Buyer and Seller. Seller
has not entered into this agreement or made any transfer or incurred any
obligations hereunder or in connection herewith, with actual intent to disturb,
hinder, delay or defraud either present or future creditors or other persons.
The Topomax System is currently in the development stage. Seller has marketed
the Purchased Assets to various potential purchasers and the bid of Buyer is the

<PAGE>

highest and best offer received by Seller for such assets and constitutes
reasonably equivalent value and fair consideration for such assets. The
Purchased Assets constitute only a portion of Seller's business and is far less
than substantially all of Seller's assets. The transactions contemplated by this
Agreement do not constitute a bulk transfer as defined in the Uniform Commercial
Code.

         2.13 Sarver  Agreements.  As of the Closing (i) that certain Consulting
              ------------------
Agreement (the "Sarver Consulting Agreement"), dated February 1, 1999, between
Seller and Sarver and Associates, Inc. ("SAA"), and that certain Technology
Transfer and Software License Agreement (the "Sarver Technology Agreement" and
together with the Sarver Consulting Agreement, the "Sarver Agreements"), dated
February 1, 1999, among Seller, SAA and Edwin J. Sarver, Ph.D. ("Sarver") shall
be terminated, (ii) SAA shall be paid $275,000, and (iii) SAA and Sarver
(collectively, the "Sarver Parties") shall have transferred to Seller all right,
title and interest that the Sarver Parties have or any time in the past may have
had in the Purchased Assets.

         2.14 Labor Matters.  There is no labor or other  collective  bargaining
              -------------
unit representing or seeking to represent any employee of Seller. As of the
Closing Date, there shall be no employment agreement between Liu and Seller and
there shall be no restrictions on Liu performing services in the Topomax Field
on behalf of Buyer.

         2.15 Product Liability.  Seller has no liability (and, to the knowledge
              -----------------
of Seller, there is no basis for any present or future action, suit, proceeding,
hearing, investigation, charge, complaint, claim or demand against it giving
rise to any liability) arising out of any injury to individuals or property as a
result of the ownership, possession or use of any product manufactured, sold,
leased or delivered by Seller.

         2.16 Environmental  Matters.   Seller  is  in  compliance  with  all
              ----------------------
Environmental Laws (as defined herein) in connection with the ownership, use,
maintenance and operation of the property relating to Seller's business and
otherwise in connection with the operation of Seller's business, (ii) Seller has
no liability, whether contingent or otherwise, under any Environmental Law with
respect to the operations or properties of Seller's business (including any of
the Purchased Assets), (iii) no notices of any violation or alleged violation
of, non-compliance or alleged non-compliance with, or any liability under, any
Environmental Law relating to the operations or properties of Seller's business
(including any of the Purchased Assets) have been received by Seller during the
past five years, (iv) there are no administrative, civil or criminal actions,
suits, claims, proceedings or investigations pending or, to the best knowledge
of Seller, threatened, relating to compliance with or liability under any
Environmental Law affecting Seller's business (including any of the Purchased
Assets), and (v) to Seller's knowledge, no underground tank or other underground
storage receptacle for Hazardous Materials (as defined herein) is located on any
property, leased or occupied by Seller or any of its Affiliates.

         For purposes of this Section 2.16 "Hazardous  Materials" means each and
every element, compound, chemical mixture, contaminant, pollutant, material,
waste or other substance which is defined, determined or identified as hazardous

<PAGE>

or toxic under any Environmental Law or the release of which is prohibited under
any Environmental Law. Without limiting the generality of the foregoing, the
term will include:

              (a)  "hazardous  substances"  as defined in the  Comprehensive
         Environmental Response, Compensation and Liability Act of 1980, the
         Superfund Amendment and Reauthorization Act of 1986, or Title III of
         the Superfund Amendment and Reauthorization Act, each as amended, and
         regulations promulgated thereunder;

              (b)  "hazardous  waste" as defined in the Resource  Conservation
         and Recovery Act of 1976, as amended, and regulations promulgated
         thereunder;

              (c)  "hazardous  materials"  as defined in the  Hazardous
         Materials  Transportation  Act, as amended, and regulations promulgated
         thereunder;

              (d)  "chemical  substance  or mixture"  as defined in the Toxic
         Substances Control Act, as amended, and regulations promulgated
         thereunder; and

              (e)  petroleum products and byproducts, and asbestos.

         For purposes of this Section 2.16 "Environmental Law" means any
federal, state or local statute, regulation or ordinance or any judicial or
administrative decree or decision with respect to any Hazardous Materials,
drinking water, groundwater, wetlands, landfills, open dumps, storage tanks,
underground storage tanks, solid waste, waste water, storm water run-off, waste
emissions or wells. Without limiting the generality of the foregoing, the term
will encompass each of the following statutes and the regulations promulgated
thereunder: (i) the Comprehensive Environmental Response, Compensation and
Liability Act of 1980 (codified in scattered sections of 26 U.S.C., 33 U.S.C.,
42 U.S.C. and 42 U.S.C.ss. 9601 et seq.); (ii) the Resource Conservation and
Recovery Act of 1976 (42 U.S.C.ss. 6901 et seq.); (iii) the Hazardous Materials
Transportation Act (49 U.S.C.ss. 1801 et seq.); (iv) the Toxic Substances
Control Act (15 U.S.C.ss. 2061 et seq.); (v) the Clean Water Act (33 U.S.C.ss.
7401 et seq.); (vi) the Clean Air Act (42 U.S.C.ss. 7401 et seq.); (vii) the
Safe Drinking Water Act (21 U.S.C.ss. 349); 42 U.S.C.ss. 201 andss. 300f et
seq.); (viii) the National Environmental Policy Act of 1969 (42 U.S.C.ss. 4321);
(ix) the Superfund Amendment and Reauthorization Act of 1986 (codified in
scattered sections of 10 U.S.C., 29 U.S.C., 33 U.S.C. and 42 U.S.C.); and (x)
Title III of the Superfund Amendment and Reauthorization Act (40 U.S.C.ss. 1101
et seq).

         2.17 Taxes. All federal, state, local or foreign,  sales,  withholding,
              -----
payroll and employment taxes, fees, assessment or charges, including any
interest, penalty or addition thereto ("Taxes") owed by Seller (whether or not
shown on any tax return), have been paid and all current Taxes have been paid or
provided for or will be paid or provided for prior to the Closing.

<PAGE>

                                    SECTION 3
                     REPRESENTATIONS AND WARRANTIES OF BUYER

         Buyer  hereby  represents  and  warrants  to Seller and  covenants  and
agrees, as of the Closing Date, as follows:

         3.1  Corporate  Organization.  Buyer is a corporation  duly  organized,
              -----------------------
validly existing and in good standing under the laws of the jurisdiction of its
incorporation, with all requisite power and authority (corporate and other) to
own its properties and assets and to conduct its business as now conducted.

         3.2  Corporate  Authority.  As of the Closing Date,  Buyer will have
              --------------------
the corporate power to enter into this Agreement and to carry out its
obligations hereunder. As of the Closing Date, the execution and delivery of
this Agreement and all agreements contemplated hereunder and the performance of
Buyer's obligations hereunder and thereunder, will have been duly authorized by
the Board of Directors of Buyer, and no other corporate proceedings on the part
of Buyer will be necessary to authorize such execution, delivery and
performance. This Agreement and all agreements contemplated hereunder have been
duly executed by Buyer and, as of the Closing Date, will constitute valid and
legally binding obligations of Buyer, enforceable against Buyer in accordance
with the terms hereof and thereof, except to the extent that such enforcement
may be subject to bankruptcy, insolvency, reorganization, moratorium or other
similar laws now or hereafter in effect relating to creditors' rights generally,
and the remedy of specific performance and injunctive and other forms of
equitable relief may be subject to equitable defenses and to the discretion of
the court before which any proceeding therefore may be brought.

         3.3  No Violation.  Neither the execution,  delivery nor the
              ------------
performance by Buyer of this Agreement and all agreements contemplated hereunder
violates or will violate any provision of law, of any order, judgment or decree
of any court or other governmental or regulatory authority, or of the charter
documents or by-laws of Buyer, nor violates or will result in a breach of or
constitute (with due notice or lapse of time or both) a default under any
contract, lease, loan agreement, mortgage, security agreement, trust indenture
or other agreement or instrument to which Buyer is a party or by which it is
bound or to which any of its properties or assets is subject, nor will result in
the creation or imposition of any lien, charge or encumbrance of any kind
whatsoever upon any of the properties or assets of Buyer.

         3.4  Consents and  Approvals.  Other than  requirements  of federal and
              -----------------------
state securities laws, no filing or registration with, no notice to and no
permit, authorization, consent or approval of any third party or any public or
governmental body or authority is necessary for the consummation by Buyer of the
transactions contemplated by this Agreement.

                                    SECTION 4
                       ADDITIONAL AGREEMENTS AND COVENANTS
<PAGE>

         4.1  David Liu.  Effective  as of the  Closing  Date,  Seller  shall
              ---------
(i) terminate Liu's employment with Seller without cause and satisfy all of
Seller's obligations in connection with such a termination, and (ii) release Liu
from any and all obligations under that certain Non Disclosure & Confidentiality
Agreement, dated December 23, 1996, between Liu and EyeSys-Premier, Inc. as
successor to EyeSys Technologies, Inc., which relate to the Topomax Field. After
the Closing Date, Buyer agrees to make Liu available to provide technical
assistance to Seller for up to 10 hours per month until the first to occur of
(i) the six-month anniversary of the Closing Date, and (ii) Liu has completed
the upgrade for Seller's Vista product.

         4.2  LaserSight  License.  Seller agrees to grant Buyer a  royalty-
              -------------------
free, perpetual,  exclusive  license (the  "LaserSight  License") in the form
attached hereto as Exhibit A.

         4.3  Premier License.   Buyer agrees to grant Seller a royalty-free,
              ---------------
perpetual, exclusive license (the "Premier License") in the form attached
hereto as Exhibit B.

         4.4  Intellectual Property Further Assurances. After the Closing,
              ----------------------------------------
Seller agrees to cooperate with any reasonable inquiry Buyer may have in
connection with the Topomax Intellectual Property. Seller shall make
available such personnel and books and records as Buyer may reasonably
request in connection with any such inquiry.

         Seller agrees to sign and deliver to Buyer,  promptly following Buyer's
request, any and all agreements, documents, certificates and papers that may be
necessary to confirm Buyer's exclusive ownership of the Topomax Intellectual
Property. If Buyer seeks to secure a reissue, divisional, continuation, or
continuation-in-part of any of the Topomax Patents or in the case of any
reexamination of the Topomax Patents Seller agrees to cooperate with Buyer in
any manner reasonably requested by Buyer. Seller agrees not to directly or
indirectly contest any proceeding, or otherwise aid, assist or participate in
any proceeding contesting, the validity or enforceability of the Topomax
Patents.

         If  Buyer  is  unable  for any  reason  to  secure  a  signature  of an
authorized officer or agent of Seller for any agreements, documents,
certificates or papers necessary to carry out the terms set forth in the
immediately preceding paragraph, Seller does hereby irrevocably designate and
appoint Buyer and its authorized officers and agents as Seller's agent and
attorney-in-fact, to act for and in Seller's behalf and stead to execute such
items, with the same legal effect as if executed by Seller. Seller hereby
confirms that it has waived and quit claimed to Buyer any and all claims of any
nature whatsoever that Seller may now have or may later have in connection with
the Topomax Patents.

         4.5  Filing of Documents.  Seller does hereby irrevocably  appoint
              -------------------
Buyer and its authorized officers and agents as Seller's attorney-in-fact, to
act for and in Seller's behalf and stead for purposes of executing and
delivering any patent assignment documents relating to the Topomax Patents, any
collateral or lien release documents relating to the Purchased Assets, any
required consents to the LaserSight License, or acknowledgments as to no liens
on the Topomax Patents, all as Buyer may request with the same legal effect as
if executed by Seller.

<PAGE>
                                    SECTION 5
                    CONDITIONS TO SELLER'S OBLIGATION TO SELL

         5.1  Conditions to Seller's Obligation to Sell. The obligation of
              -----------------------------------------
Seller hereunder to sell the Purchased Assets to Buyer at the Closing is subject
to the satisfaction,  as of the  Closing  Date,  of  each of the  following
conditions thereto, provided that these conditions are for Seller's sole benefit
and may be waived by Seller at any time in its sole discretion:

              (a)   Buyer shall have executed this Agreement and delivered the
         same to Seller.

              (b)   Buyer  shall  have  wired  same-day  funds to the  account
         designated  by  Seller  equal to that  portion  of the  Purchase  Price
         described in Section 1.3(a).

              (c)   Buyer and Seller shall have executed the Premier License.

              (d)   The  representations and warranties of Buyer shall be true
         and correct as of the date when made and as of the Closing as though
         made at that time (except for representations and warranties that speak
         as of a specific date), and Buyer shall have performed, satisfied and
         complied in all material respects with the covenants, agreements and
         conditions required by this Agreement to be performed, satisfied or
         complied with by Buyer at or prior to the Closing. Buyer shall have
         received a certificate, executed by the Chief Executive Officer or
         Secretary of Buyer, dated as of the Closing Date to the foregoing
         effect.

              (e)   No statute,  rule,  regulation,  executive order,  decree,
         ruling or injunction shall have been enacted, entered, promulgated or
         endorsed by any court or governmental authority of competent
         jurisdiction or any self-regulatory organization having authority over
         the matters contemplated hereby which restricts or prohibits the
         consummation of any of the transactions contemplated by this Agreement.

                                    SECTION 6
                  CONDITIONS TO BUYER'S OBLIGATION TO PURCHASE

         6.1  The obligation of Buyer hereunder to purchase the Purchased
Assetson the Closing Date is subject to the satisfaction of each of the
following conditions, provided that these conditions are for Buyer's sole
benefit and may be waived by Buyer at any time in Buyer's sole discretion:

              (a)   Seller shall have executed this Agreement and delivered the
         same to Buyer.

              (b)   The representations and warranties of Seller shall be true
         and correct as of the date when made and as of the Closing as though
         made at that time and Seller shall have performed, satisfied and
         complied in all material respects with the covenants, agreements and
         conditions required by this Agreement to be performed, satisfied or

<PAGE>

         complied with by Seller at or prior to the Closing. Buyer shall have
         received a certificate, executed by the Chief Executive Officer or
         Chief Financial Officer of Seller, dated as of the Closing Date to the
         foregoing effect.

              (c)   Buyer  shall  be  satisfied  with  its  business,  legal,
         accounting,  financial and  intellectual  property due diligence it was
         able to perform prior to the Closing Date.

              (d)   No statute,  rule,  regulation,  executive order,  decree,
         ruling or injunction shall have been enacted, entered, promulgated or
         endorsed by any court or governmental authority of competent
         jurisdiction or any self-regulatory organization having authority over
         the matters contemplated hereby which restricts or prohibits the
         consummation of any of the transactions contemplated by this Agreement.

              (e)   Buyer shall have  received  an opinion of  Seller's  legal
         counsel,  dated as of the Closing Date, in a form reasonably acceptable
         to Buyer.

              (f)   Seller shall have delivered to Buyer  certificates of good
         standing of Seller and the subsidiaries which are organized pursuant to
         the corporate laws of a State within the United States as of a date no
         earlier than 30 days prior to the Closing.

              (g)   Seller  shall  have  delivered  to  Buyer  a  certificate
         executed by a duly authorized officer certifying (i) a copy of Seller's
         certificate of incorporation and by-laws, (ii) resolutions authorizing
         the execution of this Agreement, and (iii) incumbency matters.

              (h)   The Sarver  Consulting  Agreement  and  Sarver  Technology
         Agreement shall have each been terminated on terms and conditions
         acceptable to Buyer, and Buyer, SAA and Sarver shall have entered into
         new agreements the form and substance of which is acceptable to Buyer.

              (i)   Seller shall have taken all action contemplated by
         Section 4.1 hereof.

              (j)   Seller shall have delivered to Buyer a general release, in
         form and substance reasonably acceptable to Buyer, all necessary UCC-3
         partial releases or terminations, and all necessary documents to
         release claims to the Topomax Patents from each of the following
         lienholders of Seller: (i) SRI, and (ii) Herkimer.

              (k)   Seller  shall have  delivered to Buyer an  assignment,  in
         form and  substance  reasonably  acceptable  to  Buyer,  of each of the
         Topomax Patents.

              (l)   Seller shall have delivered to Buyer a copy of the
         LaserSight License Agreement.

              (m)   Buyer  shall be  satisfied  as to the  ownership  and any
         possible   impairment  of  the  Purchased  Assets,   including  without
         limitation, the Topomax Intellectual Property.
<PAGE>

                                    SECTION 7
                                 INDEMNIFICATION

         7.1  Seller's Indemnification.   Seller hereby agrees  to
              ------------------------
indemnify and hold harmless Buyer, and any person or entity controlling,
controlled by or under common control with Buyer, from and against any and all
claims, damages, liabilities, losses and expenses (including reasonable
attorneys' fees) resulting from or arising out of (i) any breach by Seller of
any covenant, representation, warranty or obligation of Seller contained in this
Agreement or any agreement executed in connection with this Agreement other than
the LaserSight License or the Premier License, (ii) any infringement or alleged
infringement claim brought against Buyer with respect to the Topomax
Intellectual Property (in the form the Topomax Intellectual Property existed as
of the Closing Date), whether arising prior to the Closing Date or thereafter,
or (iii) any liability or obligation of Seller, including, without limitation,
judgments or liens attached to or asserted against the Purchased Assets or
Buyer.

         7.2  Buyer's Indemnification.  Buyer hereby agrees to indemnify
              -----------------------
and hold harmless Seller, and any person or entity controlling, controlled by or
under common control with Seller, from and against any and all claims, damages,
liabilities, losses and expenses (including reasonable attorneys' fees)
resulting from or arising out of any breach by Buyer of any covenant,
representation, warranty or obligation of Buyer contained in this Agreement or
any agreement executed in connection with this Agreement other than the
LaserSight License or the Premier License.

         7.3  Notice of Claim.  The party to be  indemnified  hereunder
                   ---------------
(the "Indemnified Party") shall notify in writing (such notification shall be
referred to herein as a "Claims Notice") the indemnifying party (the
"Indemnifying Party") within (i) 60 days after a claim is presented to the
Indemnified Party or the Indemnified Party becomes aware of substantial facts
that would reasonably appear to the Indemnified Party to be likely to give rise
to a claim for indemnity hereunder, or (ii) five days if the Indemnified Party
receives formal notice of the filing of a suit, petition or claim or the
scheduling of a hearing related to a matter which may give rise to claim for
indemnity hereunder. Each Claims Notice shall, if feasible, contain a reasonable
estimate by the Indemnified Party of the losses, costs, liabilities and expenses
(including, but not limited to, costs and expenses of litigation and attorneys'
fees) which the Indemnified Party may incur. If Buyer is the Indemnified Party
and delivers a Claims Notice to Seller, and either or both of the payments
described in Section 1.3(b) or (c) have not yet been made, Buyer shall have the
right to escrow the amount claimed in the Claims Notice. These funds shall be
released from escrow and either paid to Seller or retained by Buyer depending on
the final resolution of such situation. Such escrow shall be established with a
bank or title company acceptable to Buyer and Seller, with neither party
unreasonably withholding their consent.

<PAGE>

         The Indemnifying  Party shall have the right to defend a claim
and control the defense, settlement and prosecution of any litigation; provided,
however, in order to have the right to defend a claim and control the defense,
settlement and prosecution of any litigation, the Indemnifying Party (i) must
expressly acknowledge the assumption by it of all liabilities related to such
litigation, including without limitation, the cost of such defense, settlement
and prosecution of such litigation, and (ii) unless the Indemnified Party
consents otherwise in writing, may only compromise or settle such litigation
solely for money damages for which the Indemnifying Party shall be fully liable.
If the Indemnifying Party fails to defend such claim, the Indemnified Party will
(upon further notice to the Indemnifying Party) have the right to undertake the
defense, compromise or settlement of such claim on behalf and for the account
and risk of the Indemnifying Party. The Indemnifying Party will make available
to the Indemnified Party or its representatives, at the Indemnifying Party's
expense, all records and other materials in the Indemnifying Party's possession
and all employees or agents of the Indemnifying Party required by the
Indemnified Party for the Indemnified Party's use in contesting any such claim,
and the Indemnified Party and its representatives agree that they will not use
the Indemnifying Party's making available to them of any such material, or its
agreement to do so, as a basis for asserting a waiver by the Indemnifying Party
of any statutory or common law privilege the Indemnifying Party might have in
any other proceedings, whether related or unrelated to the matter giving rise to
the claim. If the Indemnified Party fails to notify the Indemnifying Party of a
claim in accordance with the terms of this Section 7.3, and the Indemnifying
Party is thereby materially prejudiced by such failure of notice in its defense
of the claim, the Indemnifying Party's obligation to indemnify hereunder shall
be extinguished with respect to such claim to the extent that the Indemnifying
Party has been prejudiced by the failure to give such notice. The amount of
losses for which indemnification is provided under this Agreement shall be net
of any amounts recovered by the Indemnified Party under insurance policies
or from unaffiliated third parties with respect to such losses.

                                    SECTION 8
                               GENERAL PROVISIONS

         8.1  Governing Law;  Jurisdiction.  This Agreement  shall be governed
              ----------------------------
by and construed in accordance with the laws of the State of Delaware applicable
to contracts made and to be performed in the State of Delaware, without giving
effect to the principles of conflicts of law. The parties hereto irrevocably
consent to the jurisdiction of the United States federal courts and state courts
located in the County of New Castle in the State of Delaware in any suit or
proceeding based on or arising under this Agreement or the transactions
contemplated hereby and irrevocably agree that all claims in respect of such
suit or proceeding may be determined in such courts. Buyer and each Seller
irrevocably waives the defense of an inconvenient forum to the maintenance of
such suit or proceeding. Service of process upon Buyer or Seller mailed by
certified mail, return receipt requested, shall be deemed in every respect
effective service of process upon Buyer in any suit or proceeding arising

<PAGE>

hereunder. Nothing herein shall affect Seller's right to serve process in any
other manner permitted by law. A final non-appealable judgment in any such suit
or proceeding shall be conclusive and may be enforced in other jurisdictions by
suit on such judgment or in any other lawful manner.

         8.2  Counterparts.  This  Agreement  may be  executed  in  two or  more
              ------------
counterparts, including, without limitation, by facsimile transmission, all of
which counterparts shall be considered one and the same agreement and shall
become effective when counterparts have been signed by each party and delivered
to the other party. In the event any signature page is delivered by facsimile
transmission, the party using such means of delivery shall cause additional
originally executed signature pages to be delivered to the other parties.

         8.3  Headings.  The headings of this Agreement are for convenience of
              --------
reference and shall not form part of, or affect the interpretation of, this
Agreement.

         8.4  Severability.  If any provision of this Agreement shall be invalid
              ------------
or unenforceable in any jurisdiction, such invalidity or unenforceability shall
not affect the validity or enforceability of the remainder of this Agreement or
the validity or enforceability of this Agreement in any other jurisdiction.

         8.5  Entire  Agreement;  Amendments.  This Agreement,  the Schedules
              ------------------------------
and Exhibits hereto, which are incorporated herein by this reference, and the
instruments referenced herein contain the entire understanding of the parties
with respect to the matters covered herein and therein and, except as
specifically set forth herein or therein, neither Buyer nor Seller makes any
representation, warranty, covenant or undertaking with respect to such matters.
No provision of this Agreement may be waived other than by an instrument in
writing signed by the party to be charged with enforcement and no provision of
this Agreement may be amended other than by an instrument in writing signed by
Buyer and each Seller.

         8.6  Notice.  Any notice herein  required or permitted to be given
              ------
shall be in writing and may be personally served or delivered by nationally-
recognized overnight courier or by facsimile-machine confirmed telecopy, and
shall be deemed delivered at the time and date of receipt (which shall include
telephone line facsimile transmission). Each party shall provide notice to the
other party of any change in address. The addresses for such communications
shall be:

                      If to Buyer:

                      LaserSight Incorporated
                      3300 University Boulevard
                      Suite 140
                      Winter Park, Florida 32792
                      Telecopy:      (407) 678-9982
                      Attention:     Chief Executive Officer

<PAGE>

                      with a copy to:

                      The Lowenbaum Partnership, L.L.C.
                      222 South Central Avenue
                      Suite 901
                      St. Louis, Missouri 63105
                      Telecopy:      (314) 746-4848
                      Attention:     Timothy L. Elliott, Esq.

                      If to Seller:

                      Premier Laser Systems, Inc.
                      3 Morgan
                      Irvine, California 92618
                      Telecopy:      (949) 859-0656
                      Attention:     Michael Quinn

                      with a copy to:

                      Knobbe, Martens, Olson & Bear, LLP
                      620 Newport Center Drive
                      16th Floor
                      Newport Beach, California 92660
                      Telecopy:      (949) 760-9502
                      Attention: William Nieman, Esq.

                      and

                      O'Melveny & Myers, L.L.P.
                      610 Newport Center Drive
                      Newport Beach, California
                      Telecopy: (949) 823-6994
                      Attention: Suzzanne Uhland, Esq.

         8.7  Successors and Assigns.  This Agreement  shall be binding upon and
              ----------------------
inure to the benefit of the parties and their successors and assigns. Neither
Buyer nor Seller shall assign this Agreement or any rights or obligations
hereunder without the prior written consent of the other.

         8.8  Third Party Beneficiaries.  This Agreement is intended for the
              -------------------------
benefit of the parties hereto and their respective permitted successors and
assigns and is not for the benefit of, nor may any provision hereof be enforced
by, any other person.

<PAGE>

         8.9  Survival.  All  representations  and  warranties in this
              --------
Agreement shall survive the execution and delivery of this Agreement and the
Closing.  All agreements contained herein shall survive the Closing until, by
their respective terms, they are no longer operative.

         8.10 Public Filings;  Publicity.  No party hereto shall make any public
              --------------
statement regarding the transactions contemplated hereby unless the language and
timing of such statement has been approved by both Buyer and Seller. If Buyer
and Seller cannot mutually agree on such disclosure matters, either party may
make such disclosures as may be advised by such party's securities counsel.
Notwithstanding the foregoing, each of the parties hereto may, in documents
required to be filed by it with the SEC or other regulatory bodies, make such
statements with respect to the transactions contemplated hereby as each may be
advised is legally necessary upon advice of its counsel; provided, however, that
the party making such determination shall immediately notify the other party
that it intends to make a public announcement and the parties hereto shall, in
good faith, attempt to agree on any public announcements or publicity statements
with respect thereto (which approval shall not be unreasonably withheld or
delayed).

         8.11 Further  Assurances.  Each party shall do and perform, or cause to
              -------------------
be done and performed, all such further acts and things, and shall execute and
deliver all such other agreements, certificates, instruments and documents, as
the other party may reasonably request in order to carry out the intent and
accomplish the purposes of this Agreement and the consummation of the
transactions contemplated hereby.

         8.12 Topomax Patent Enforcement.  Upon learning of the infringement of
              --------------------------
any of the Topomax Patents by third parties, Seller shall inform the other in
writing of that fact, and shall supply the other with any evidence available
pertaining to the infringement.

         8.13 Termination of Agreement.  If the Closing shall not have occurred
              ------------------------
on or before the first to occur of (i) April 1, 2000, or (ii) Seller files for
protection under any bankruptcy or insolvency statute or rule (or any of
Seller's creditors take such action), this Agreement shall terminate at the
close of business on such date.

<PAGE>

         JURY TRIAL WAIVER.  EACH OF THE PARTIES HERETO  IRREVOCABLY  WAIVES ANY
RIGHT TO TRIAL BY JURY FOR ANY MATTER ARISING UNDER OR IN ANY WAY RELATED TO
THIS AGREEMENT AND THE OTHER TRANSACTION DOCUMENTS. THIS IS A KNOWING WAIVER
GRANTED AFTER CONSULTATION WITH SUCH PARTY'S LEGAL COUNSEL.

         IN WITNESS  WHEREOF,  Seller and Buyer have caused this Agreement to be
duly executed as of the date first above written.

LASERSIGHT TECHNOLOGIES, INC.              PREMIER LASER SYSTEMS, INC.

By:  /s/Gregory L. Wilson                  By:  /s/Michael J. Quinn
    -----------------------------              -----------------------------
Name:  Gregory L. Wilson                   Name:  Michael J. Quinn
    -----------------------------              -----------------------------
Title: Secretary                           Title: President & CEO
    -----------------------------              -----------------------------

                                           EYESYS-PREMIER, INC.

                                           By:   /s/Michael J. Quinn
                                                -----------------------------
                                           Name:  Michael J. Quinn
                                                -----------------------------
                                           Title: President
                                                -----------------------------

                 Signature Page to Technology Purchase Agreement

<PAGE>

                              Schedule 1.1(a)(iii)

                          Topomax Intellectual Property

1.       Each of the following patents (collectively, the "Topomax Patents") are
 being purchased by Buyer:

                                                       Appl No./    Filing Date/
Title                                 Country         Patent No.     Issue Date
-----                                 -------         ----------     ----------

A Method of Corneal Analysis Using                    08/736,348      10/23/96
  a Checkered Placido Apparatus        USA            5,841,511       11/24/98
A Method of Corneal Analysis Using     USA            09/102,839      06/23/98
  a Checkered Placido Apparatus
A Method of Corneal Analysis Using
  a Checkered Placido Apparatus        PCT            PCTUS97/19487   10/22/97
Checkered Placido Apparatus and        BRAZIL         PI9306484-5     06/02/93
  Method
Checkered Placido Apparatus and        CAN            2137151         06/02/93
  Method
Checkered Placido Apparatus and        JAPAN          500870/1994     06/02/93
  Method
Multi-Camera Corneal Analysis System   USA            08/638,875      04/25/96
                                                      5,847,804       12/08/98
Multi-Camera Corneal Analysis System   USA            08/956,515      10/23/97
                                                      5,953,100       09/14/99
Multi-Camera Corneal Analysis System   EPO            95940570.5      10/30/95
Multi-Camera Corneal Analysis System   JAPAN          514798/1996     10/30/95

Topomax System patent application      USA                            03/07/00

2.       Each of the following items are being purchased by Buyer:

         a. All drawings, designs, plans, proposals and technical data of the
            EyeSys 2000 System that are utilized in the Topomax System

         b. Copy of the EyeSys 2000 System components vendor listAMENDED AND RESTATED EMPLOYMENT AGREEMENT

          THIS   AMENDED  AND   RESTATED   EMPLOYMENT   AGREEMENT   ("Employment
Agreement")  made as of  November  1,  1999,  between  EPIGEN,  INC.,a  Delaware
corporation,  of  Millbrook,  New York (the  "Company"),  and  DONALD C.  FRESNE
("Employee"), residing at North Tower Hill Road, PO Box L, Millbrook, NY 12545.

                               W I T N E S E T H:

          WHEREAS,  Employee is presently  employed as Chairman of the Board and
Chief Executive Officer of the Company;

          WHEREAS,  the  Company  and  Employee  desire to assure the  continued
services of Employee to the Company on the terms and conditions set forth below;

          WHEREAS,  by employment  Contract  originally dated April 20, 1994 and
amended and restated from time to time, the Company and Employee agreed upon the
terms on which Employee would be employed by the Company; and

          WHEREAS,  the Company and  Employee  desire to amend and restate  such
employment Contract as hereinafter set forth.

          NOW,  THEREFORE,  in  consideration of the mutual covenants herein set
forth and other good and valuable consideration,  the receipt and sufficiency of
which is hereby acknowledged, the Company and Employee agree as follows:

          1. EMPLOYMENT

             (a) The Company  agrees to  continue  to employ  Employee to render
executive  and  managerial  services to the Company and  Employee  accepts  such
appointment with the title of Chairman of the Board and Chief Executive Officer.
In such  capacities  Employee shall be Chairman of the Board of Directors of the
Company and Chief Executive  Officer of the Company,  possessing such powers and
authority and charged with such duties and  responsibilities  in relation to the
business  and affairs of the  Company as are  customarily  associated  with such
offices, subject to the direction of the Board of Directors of the Company.

                                   Page 1 of 9

<PAGE>

             (b) Employee's  principal place of employment  shall be as required
by the Company and agreed by Employee  from time to time in the United States of
America or abroad.  Unless and until otherwise  mutually  agreed,  the principal
location for the performance of Employee's  services shall be in Millbrook,  New
York. Notwithstanding the foregoing,  Employee recognizes that the operations of
the Company may require travel by Employee on behalf of the Company,  and agrees
that he will be  available  to engage in such travel  (which will not,  however,
require the  relocation of his residence  for the  performance  of his services)
when and as required and at the Company' s expense.

          2. TERM

             The term of Employee's  employment under this Employment  Agreement
commenced  effective  as of  April  20,  1994  and,  subject  to the  terms  and
conditions of this Employment Agreement, shall continue from April 6, 1999 for a
period of sixty (60)  consecutive  months.  On April 6 of each  year,  beginning
April 6, 2000,  such term of this Employment  Agreement  shall be  automatically
extended  for an  additional  year  unless  prior to such date  Employee  or the
Company  shall have notified the other in writing of its intention not to extend
the term of this Employment Agreement.

          3. COMPENSATION

             (a) Employee  shall receive as full  compensation  for his services
hereunder,  direct from the Company, a salary at the rate of $189,000 per annum,
paid by monthly  installments,  which  salary  shall be increased by $50,000 per
annum on April 6 of each year,  increases  to start in the year of 1995,  during
the term of this Employment Agreement.  At the discretion of the Board, Employee
may be given merit increases and bonuses during the term hereof.

             (b) Upon the issuance of equity  securities in the Company pursuant
to the sale thereof for a cash  consideration  or in lieu of a cash payment upon
the conversion of debt into such equity  securities or for services or any other
consideration, after the date hereof and during the term hereof or any extension
thereof,  Employee is hereby awarded such number of additional  shares of Common
Stock in the Company that will restore or otherwise increase his equity position
in the  Company  on a fully  diluted  basis to 33 1/3% of the total  issued  and
outstanding  Common Stock of the Company on a fully diluted basis, such grant to
be automatic upon the occurrence of such event.

             (c) In addition, in the event Employee is instrumental in obtaining
equity  financing for the Company  during the term hereof for a cash infusion to
the capital of the Company of  $1,000,000  or more,  Employee  shall  receive as
compensation therefor equity securities equal to 33.33% of the equity securities
issued pursuant to such financing.

                                   Page 2 of 9

<PAGE>

             (d) At the request of the Employee,  the Company will  undertake to
file as promptly as  practicable a  Registration  Statement on Form S-8 or other
applicable form with respect to the securities underlying the Options granted to
or equity securities issued to Employee pursuant to this Employment Agreement.

          4. EXPENSES

             Employee shall be reimbursed for all ordinary and reasonable
out-of-pocket  expenses  properly  incurred while engaged in the business of the
Company  pursuant to the Company  policy then in effect,  provided that such are
itemized and presented to the Company in accordance with the Company policy then
in effect. The Company shall provide a secretary for the Employee at his office.

          5. BENEFITS

             (a) The  Company  shall  provide  Employee  or  Employee  shall  be
entitled to  reimbursement  for the  premium  costs of the  following  insurance
policies for the term hereof:

                 (i) $750,000  of  whole life insurance  under which Employee is
                     the insured  and  has  the  sole  right  to  designate  the
                     beneficiary thereunder;

                (ii) long term disability insurance; and

               (iii) health insurance.

                (iv) All  prescriptions   not  reimbursable  by  such  insurance
                     polcies.

                 (v) Medical expenses not covered by insurances.

Following  the  termination  of Employee's  employment  hereunder for any reason
other than for cause (as hereinafter defined), including, without limitation, by
reason of the  expiration of the term of this  Employment  Agreement,  and for a
period of ten years  thereafter,  the Company  shall (A)  continue to  reimburse
Employee  upon demand for the premium  costs of the policy  described  in clause
(i); (B)  reimburse  Employee upon demand for the premium costs of an individual
health insurance policy for Employee and his spouse, if any, that provides

                                   Page 3 of 9

<PAGE>

substantially  the same  coverage as the health  insurance  policy  covering the
Company's  most senior  executive;  and (C) at the  Company's  expense,  provide
Employee  with an  office  comparable  to his  office  immediately  prior to his
termination  of employment at a location  selected by Employee,  together with a
full-time  secretary of his choice.  Further, at least 15 days prior to the date
Employee is required to make any federal income tax payments, including, without
limitation,  estimated  tax payments,  Employee  shall notify the Company of the
amount, in cash, that is necessary to be paid to Employee to ensure that the sum
of (x) such cash  payment,  plus (y) the amount of such  premiums,  plus (z) the
value of the office and  secretary,  to the extent the same  constitute  taxable
income to Employee,  less all federal or state taxes on such  aggregate  amount,
will  equal the gross  amount of the sum of such  premiums  and the value of the
office and the  secretary.  Within seven days after receipt of such notice,  the
Company shall pay Employee such amount.

             (b) The  Company  will  reimburse  Employee  for dues  and  related
expenses of memberships that are used for the benefit of the Company.

             (c) Employee  shall be entitled to the  full-time use a new Company
owned automobile,  on which the Company shall purchase all appropriate insurance
policies  and  pay all  maintenance  and  operating  expenses.  Employee  shall,
however, reimburse the Company for his personal use of the automobile on a basis
to be determined by the Company from time to time.

             (d) Following the  termination  of Employee's  employment  with the
Company, other than for cause (as hereafter defined), Employee shall be retained
as a consultant and entitled to receive an annual  supplemental  cash retirement
and consulting  benefit equal to his salary for the year  immediately  preceding
such  termination of employment.  Such annual  supplemental  cash retirement and
consulting  benefit shall be payable for the number of years equal to the number
of full years that Employee was employed by the Company prior to the termination
of his  employment.  The amount due in each year shall be payable in twelve (12)
equal  monthly  installments.  In the event of the death of Employee  during the
term of this Employment  Agreement,  any extension  thereof or during the period
such annual  supplemental  retirement and consulting  benefits are payable,  the
Company shall pay to the estate of Employee,  within 120 days after the death of
Employee,  the present  value of all amounts that would become due under Section
5(d),  which  present  value shall be calculated by using as a discount rate the
prime rate of interest charged by Chemical Bank, N.A., or its successor,  on the
date of Employee's death.

                                   Page 4 of 9

<PAGE>

          6. TERMINATION OF EMPLOYMENT

             (a) The Board of Directors may terminate Employee's employment upon
one (1) month's notice to the Employee for "cause" as hereinafter defined.

             The term "cause",  as used in subsection 7(a) above with respect to
the  termination  of  Employee's  employment  by the  Company,  shall  mean  (i)
embezzlement  of property of the Company;  or (ii)  conviction  of a crime which
constitutes a felony.

             (b) The Company  shall pay all legal  fees,  court  costs,  fees of
experts and other costs and  expenses  when  incurred by Employee in  connection
with  Employee's  interpretation  of, or  determinations  under,  or any actual,
threatened  or  contemplated  litigation  or  legal,   administrative  or  other
proceeding involving,  the provisions of this Employment  Agreement,  whether or
not initiated by Employee.

          7. OFFICE

             Employee  shall  be  entitled,  at no  cost to  himself  and at the
Company's  expense,  to maintain the existing office in Millbrook,  New York for
the Company.

          8. EMPLOYEE' S COVENANTS

             Upon and  subject  to the terms am  conditions  of this  Employment
Agreement, Employee covenants and agrees with the Company as follows:

             (a)  Employee  shall  remain in the employ of the  Company and will
carry out the duties and  responsibilities  assigned to him from time to time by
the Company's Board of Directors.

             (b)  Employee  shall devote a  substantial  portion of his business
time, efforts and abilities to the performance of his duties and the advancement
of the  Company's  interests  and the  achievement  of its  corporate  goals and
objectives; will observe the policies and practices established by the Company's
Board of Directors;  and will otherwise  conduct himself in a manner  reasonably
calculated to benefit the Company.

             (c) During the term of this  Employment  Agreement,  Employee shall
promptly advise the Company's  Board of Directors of any business  opportunities
of which he may become aware related to the business and corporate  goals of the
Company.

                                   Page 5 of 9

<PAGE>

          9. REPORTS

             Employee shall promptly communicate and disclose to the Company, on
request,  all  information  obtained  by  him in the  course  of his  employment
relating to the business of the Company.  All written reports,  recommendations,
advice, records,  documents and other materials prepared or obtained by Employee
or coming into his possession  during his employment  hereunder  which relate to
the  progress and  performance  of the Company  shall be the sole and  exclusive
property of the Company and, at the end of Employee's employment hereunder or at
the request of the Company during the period of Employee's employment hereunder,
Employee  shall  promptly  deliver all such  written  materials  to the Company.
Employee shall prepare and submit to the Company such regular  periodic  reports
as the Company may request with respect to the  activities  undertaken by him or
conducted  under his  direction in  connection  with the business of the Company
during his  employment  hereunder.  Such reports and the  information  contained
herein shall be and remain the sole property of the Company.

         10. CONFIDENTIALITY

             Employee  shall not,  during any  period of his  employment  by the
Company,  divulge,  furnish,  or make  accessible  to or use for the benefit of,
anyone other than the Company, its directors and officers, otherwise than in the
regular course of the business of the Company, or with the prior written consent
of the  Company,  any trade  secret or  confidential  knowledge  or  information
relating  in any way to the  customers  of the  Company  or to the  business  or
manufacturing  processes  from  time to time  carried  out or  conducted  by the
Company.

         11. PATENTS, TRADEMARKS, TRADE SECRETS

             Except as the same may be pledged as  security  for debt,  Employee
shall assign to the Company,  immediately  upon making or acquiring them, as the
case may be, any and all patent rights, letters patent, copyrights, trade-marks,
service  marks,  trade  names and  applications  therefor in any country and all
rights and  interests  in, to and under the same which he may legally  transfer,
now possessed by him or hereafter made, acquired, or possessed by him during the
term of this  Employment  Agreement,  relating  in any way to the  business  and
activities of the Company and its subsidiary and affiliated companies and agrees
that,  upon  request,  he  will  promptly  make  all  disclosures,  execute  all
instruments and papers, and perform all such other actions whatsoever  necessary
or desired by the Company to vest and confirm in it, its successors, assigns and
nominees,  fully and  completely,  all rights  created or  contemplated  by this
section 11 and to which may be  necessary or desirable to enable the Company and
its  successors,  assigns and nominees to secure and enjoy the full benefits and
advantages thereof.

                                   Page 6 of 9

<PAGE>

         12. INDEMNIFICATION AND DIRECTORS AND OFFICERS LIABILITY INSURANCE

             The Company  shall  indemnify  Employee and advance  expenses  with
respect to any indemnifiable  matter to Employee to the fullest extent permitted
by applicable law. To the extent that the Company  maintains an insurance policy
or policies providing  liability insurance for directors,  officers,  employees,
agents or  fiduciaries  of the Company,  the  Employee  shall be covered by such
policy or policies in accordance  with their terms to the maximum  extent of the
coverage available for any such director,  officer, employee, agent or fiduciary
under any such policy or policies.

         13. PROHIBITED SOLICITATION

             At no time during the full year  following the  termination of this
Employment  Agreement  shall Employee  attempt to induce any person to leave the
employment of the Company.

         14. REGISTRATION RIGHTS

             The Employee shall have all of the rights and benefits, pari passu,
with the  beneficiaries  of any Registration  Rights Agreement  binding upon the
Company.

         15. INJUNCTIVE RELIEF

             The Company and Employee  acknowledge  and agree that the executive
and  managerial  services to be rendered  by  Employee  hereunder  are of such a
special,  unique and extraordinary character that it gives them a peculiar value
impossible  of  replacement  and for the loss of which  the  Company  cannot  be
reasonably or  adequately  compensated  in damages.  Employee  acknowledges  and
agrees that a breach by him of the  provisions  of Sections  10, 11 or 13 hereof
will cause the Company  irreparable  injury and damage, and the Company shall be
entitled to  injunctive  relief to prevent any such  prospective  or  continuing
breach.

                                   Page 7 of 9

<PAGE>

         16. ARBITRATION

             Any dispute arising with respect to this Employment Agreement shall
be submitted to  arbitration  by a single  arbitrator  in New York,  New York in
accordance  with  the  rules of the  American  Arbitration  Association  then in
effect,  and judgment  upon any award of such  arbitrator  may be entered in any
court  having  jurisdiction  thereof.  The costs of any  arbitration  proceeding
hereunder,  excluding the out-of-pocket  costs and accounting and legal fees and
related  disbursements of each party which shall be borne by the party incurring
same, shall be shared equally by the parties.

         17. WAIVER

             Failure to insist upon compliance with any of the terms, covenants,
or  conditions  hereof shall not be deemed a waiver of such term,  covenant,  or
condition,  nor  shall  any  waiver  or  relinquishment  of any  right  or power
hereunder at any one time or more times be deemed a waiver or  relinquishment of
such right or power at any other time or times.

         18. SEVERABILITY

             The invalidity or unenforceability of any provision hereof shall in
no way affect the validity or enforceability of any other provision. The parties
to this Employment  Agreement  agree and intend that this  Employment  Agreement
shall be  enforced  as fully as it may be enforced  consistent  with  applicable
statutes and rules of law.

         19. NOTICES

             Any  notices  required  or  permitted  hereunder  shall be given in
writing by registered or certified first class mail (air mail if international),
postage prepaid,  addressed to the parties at their  respective  addresses first
above set forth,  or to such other address as either party may from time to time
designate by notice to the other hereunder.

                                   Page 8 of 9

<PAGE>

         20. CHOICE OF LAW

             This  Employment  Agreement  shall be governed by and  construed in
accordance  with the internal  laws of the State of New York  without  regard to
conflicts of laws principles thereof.

         21. ENTIRE AGREEMENT

             This Employment  Agreement  represents the entire  agreement of the
parties  hereto,  and supersedes any other  agreements  between the parties with
respect to the  subject  matter  thereof,  and may not be  amended,  modified or
supplemented  in any respect,  except by a subsequent  writing  executed by both
parties hereto.

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

                                       EPIGEN, INC.

                                       By:  /s/:  Richard E. Kent
                                            ------------------------------------
                                            Name: Richard E. Kent
                                            Title:   Vice Chairman

                                       /s/:  Donald C. Fresne
                                       -----------------------------------------
                                       Donald C. Fresne

                                   Page 9 of 9

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