Document:

<PAGE>   1

                                                                   EXHIBIT 10.03

                              COMPROMISE AGREEMENT

DATE: 2nd June 2000

PARTIES:

(1)    John Lilley of Heath House, Lynn Road, Hillington, Kings Lynn, Norfolk
       ("the Executive"); and

(2)    Ocular Sciences UK Limited of Went Close, Chandlers Fore, Eastleigh,
       Hants S053 4ND ("the Company").

1.     In this Agreement, the following definitions apply:

"Group Company":     any Company which is at the date of this Agreement a
                     subsidiary or a holding company of the Company or any other
                     subsidiary of any such company as such terms are defined in
                     section 736 of the Companies Act 1985, including but not
                     limited to OSI Corporation, a Delaware Corporation; and

"Termination Date:   2 June 2000.

2.     The Executive's employment was terminated with effect from the
       Termination Date.

3.     The Company will, within the later of 7 days of receipt of a signed copy
       of this Agreement and the return to the Company of the items referred to
       in clause 6 pay to the Executive a termination payment of 147,039.19
       British pounds representing 10 months' salary, bonus and all other
       benefits to which the Executive is entitled under his contract of
       employment (less the sum of 530.15 British pounds owed by the Executive
       to the Company), less appropriate deductions for PAYE income tax and
       national insurance.

4.     The Executive shall be entitled to retain and continue to use his company
       car BMW 540i (registration No:   ) until 30 March 2001. The Executive
       shall return the car in good condition (fair wear and tear excepted) and
       keys to the Company at its above address by no later than 30 March 2001.

5.     The Executive and his family shall remain in the Company's private
       medical insurance scheme until 30 March 2001.

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6.     The Executive shall within 7 days of the date of this Agreement return to
       the Company all property belonging to the Company and any Group Company
       Including without limitation all documents, data and Information (in
       whatever form and on whatever media stored). HSBC credit card, Diner's
       Club credit card, mobile phone, security pass, furniture and Virgin air
       miles vouchers. The Executive shall also sign and return the two letters
       confirming the resignation of his directorships with the Company and with
       Precision Lens Manufacturing and Technology Inc.

7.     The Executive agrees to enter into the attached Confidentiality
       and Restrictive Undertakings.

8.     Prior to the date of this Agreement, the Executive has been granted
       certain stock options by OSI Corporation under the OSI 1989 and 1997
       Stock Option Plans (the "Stock Options"). By the terms of the Stock
       Options granted to the Executive, the Stock Options may be exercised
       within 3 months of the Termination Date. It Is agreed that the Executive
       shall have the right to exercise the following options granted to hire
       prior to the Termination Date, provided they are exercised by 1 September
       2000 and provided that as at the Exercise Date for each such option the
       Executive is in full compliance with the terms and conditions of both
       this Compromise Agreement and the Confidentiality and Restrictive
       Agreement.

<TABLE>
<CAPTION>
                                             EXERCISE            NUMBER
OPTION PLAN           GRANT DATE             PRICE               VESTED
<S>                   <C>                    <C>                 <C>
1989                  4 April 1996           $5.03               18,000
1991                  28 Jan 1998            $26.375             12,000
1097                  5 Feb 1999             $20.25              4,999
</TABLE>

9.     The Executive agrees that the terms of this Agreement are offered in full
       and final settlement of ail and any claims, costs, damages and expenses
       or rights of action of any kind whatsoever that he has or may have
       against the Company or any Group Company or any employee or officer of
       the Company or any Group Company relating to his employment or its
       termination, including unfair dismissal, redundancy, breach of contract,
       unlawful deduction from wages and in respect of the Working Time
       Regulations.

10.    The Executive agrees that he has received independent legal advice as to
       the nature, terms and effect of this Agreement and, in particular, its
       effects on his ability to pursue his rights before an Employment
       Tribunal. The independent adviser is [Neil Crosslet] of [D.L.A.] who has
       signed the endorsement at the end of this Agreement

11.    The Executive shall not, whether directly or indirectly, make, publish or
       otherwise communicate any disparaging or derogatory statements whether
       orally or In writing,

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       concerning the company, any Group Company or any officer or employee of
       the Company or any Group Company.

12.    The Company and the Executive both acknowledge that the conditions
       regulating Compromise Agreements contained in Section 203(3) of the
       Employment Rights Act 1996 have been satisfied.

13.    These terms are governed by English law and the parties agree to submit
       to the exclusive jurisdiction of the English Courts in relation to them.

SIGNED by: /s/ JOHN LILLEY
          -----------------------------------
          John Lilley

SIGNED by: /s/ SIEGFRIED GOLDING
          -----------------------------------
          for and on behalf of Ocular Sciences UK Limited

                             Solicitor's Endorsement

I, [Neil Crossley] of [DLA, 3 Noble Street, London, EC2V7EE] confirm that I am a
qualified solicitor holding a current practising certificate and that I have
given independent legal advice to John Lilley of Heath House, as above, as to
the terms and effect of the above Agreement and, in particular, its effects on
his ability to pursue his rights before an employment tribunal. I confirm that
there is and was in force at the time I gave this  advice cover under my firm's
indemnity insurance arrangements against the risk of a claim by Mr. Lilley in
respect of any loss arising in consequence of that advice.

Signed: /s/ NEIL CROSSLEY                         Date: 2nd June 2000
       ---------------------------------
       by [Neil Crossley]

<PAGE>   4

                           INITIAL DEED OF UNDERTAKING

DATE: 2nd JUNE 2000

This Deed of Undertaking is entered into by John Lilley of Health House, Lynn
Road, Hillington, King's Lynn, Norfolk ("the Executive").

INTRODUCTION

This Undertaking is given by the Executive in connection with the termination of
his employment with the Company and pursuant to the Compromise Agreement of even
date entered into between the parties.

1.     DEFINITIONS

       In this Undertaking, the following phrases shall, unless the context
       requires otherwise, have the following meanings:

1.1    "Businesses": all and any trades or other commercial activities of the
       Company or any Group Company: with which the Executive shall have been
       concerned or involved to any material extent at any time during his
       employment by the Company; or which the Company or any Group Company
       shall at the Termination Date have determined to carry on with a view to
       profit in the immediate or foreseeable future and in relation to which
       the Executive shall at the Termination Date possess any Confidential
       Business Information.

1.2    "The Company": has the meaning ascribed to it in the Compromise
       Agreement.

1.3    "Confidential Business Information": all and any Corporate Information,
       Marketing Information, Technical Information and other information
       (whether or not recorded in documentary form or on computer disk or tape)
       to which the Company or any Group Company attaches an equivalent level of
       confidentiality or in respect of which it owes an obligation of
       confidentiality to any third party: which the Executive has acquired at
       any time during his employment by the Company; and which is not readily
       ascertainable to persons not connected with the Company or any Group
       Company either at all or without a significant expenditure of labour,
       skill or money but excluding any such information which has entered the
       public domain (other than by a breach of this Agreement by the
       Executive).

1.4    "Corporate Information": all and any information (whether or not recorded
       in documentary form or on computer disk or tape) relating to the business
       methods, corporate plans, management systems, manufacturing processes,
       finances, maturing new business opportunities or research and development
       projects of the Company or any Group Company.

1.5    "Customer": any person, firm or company who or which at the Termination
       Date is negotiating with the Company or any Group Company for the supply
       of any Restricted Products or to whom or which the Company or any Group
       Company shall at any time during the period of one year prior to the
       Termination Date have supplied any Restricted Products and with whom the
       Executive dealt or about whom he acquired Confidential Business
       Information during his employment.

<PAGE>   5

1.6     "Employee": any person who is at the Termination Date, employed or
        engaged by the Company or any Group Company in a senior management,
        senior technical or senior sales position.

1.7     "Group Company": has the meaning ascribed to it in the Compromise
        Agreement.

1.8     "Marketing Information": all and any information (whether or not
        recorded in documentary form or on computer disk or tape) relating to
        the marketing or sales of any past, present or future product or service
        of the Company or any Group Company including without limitation sales
        targets and statistics, market share and pricing statistics, marketing
        surveys and plans, market research reports, sales techniques, price
        lists, discount structures, advertising and promotional material, the
        names, addresses, telephone numbers, contact names and identities of
        customers and potential customers of and suppliers and potential
        suppliers to the Company or any Group Company, the nature of their
        business operations, their requirements for any product or service sold
        or purchased by the Company or any Group Company and all confidential
        aspects of their business relationship with the Company or any Group
        Company.

1.9     "Material Interest": the holding of any position as Director, officer,
        employee, consultant, partner, principal or agent; or the direct or
        indirect control or ownership (whether jointly or alone) of any shares
        (or any voting rights attached to them) or debentures save for the
        ownership for investment purposes only of not more than 3 per cent of
        the issued ordinary shares of any company whose shares are listed on any
        Recognised Investment Exchange (as defined in Section 207 of the
        Financial Services Act 1986); or the direct or indirect provision of any
        financial assistance.

1.10    "Restricted Area": means the World.

1.11    "Restricted Products": contact lenses of any and all descriptions.

1.12    "Technical Information": all and any trade secrets, secret formulae,
        processes, inventions, designs, know-how discoveries, technical
        specifications and other technical information (whether or not recorded
        in documentary form or on computer disk or tape) relating to the
        creation, development, production, manufacture or supply of any
        Restricted Products.

1.13    "Termination Date": has the meaning ascribed to it in the Compromise
        Agreement.

2.      ACKNOWLEDGEMENT BY THE EXECUTIVE

2.1     The Executive acknowledges:

        2.1.1   that the Company and each Group Company possesses a valuable
                body of Confidential Business Information;

        2.1.2   that the Company has given him access to Confidential Business
                Information to enable him to carry out the duties of his
                appointment;

        2.1.3   that the disclosure of any Confidential Business Information to
                any customer or actual or potential competitor of the Company or
                any Group Company would place such company at a serious
                competitive disadvantage and would cause immeasurable (financial
                and other) damage to the Businesses;

        2.1.4   that if, on leaving the employment of the Company, he was to
                hold any Material

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                Interest in a Customer of any actual or potential competitor of
                the Company or any Group Company, it would place such company at
                a serious competitive disadvantage and would cause immeasurable
                (financial and other) damage to the Businesses.

2.2     In order to protect the Confidential Business Information and in
        consideration of the sum of L.1 (receipt of which the Executive
        acknowledges), the Executive undertakes in the terms set out in clause
        3.

3.      THE EXECUTIVE'S UNDERTAKING

3.1     The Executive shall not directly or indirectly for the period of 12
        months after the Termination Date:

        3.1.1   hold any Material Interest in any person, firm or company which
                requires him to disclose or make use of any Confidential
                Business Information in order properly to discharge his duties
                to or to further his interest in such person, firm or company;

        3.1.2   seek in any capacity whatsoever any business or custom for any
                Restricted Products from any Customer;

        3.1.3   accept in any capacity whatsoever orders for any Restricted
                Products from any Customer;

        3.1.4   solicit or entice away or seek to entice away from the Company
                or any Group Company or offer employment or engagement to any
                Employee;

3.2     The Executive shall not at any time after the Termination Date:

        3.2.1   induce or seek to induce by any means involving the disclosure
                or use of Confidential Business Information any Customer to
                cease dealing with the Company or any Group Company or to
                restrict or vary the terms upon which it deals with the Company
                or any Group Company;

        3.2.2   represent himself or permit himself to be held out by any
                person, firm, or company as being in any way connected with or
                interested in the Company or any Group Company;

        3.2.3   disclose to any person, firm or company or make use of any
                Confidential Business Information.

4.      GENERAL

4.1     Each provision of this Agreement is independent and severable from the
        remaining provisions and enforceable accordingly. If any provision of
        this Agreement shall be unenforceable for any reason but would be
        enforceable if part of the wording thereof were deleted, it shall apply
        with such deletions as may be necessary to make it enforceable.

4.2     The Executive has given the undertakings contained in the clause 3 to
        the Company as

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        trustee for itself and for each Group Company and will at the request
        and cost of the Company enter into direct undertakings with any Group
        Company which correspond to the undertakings in clause 3, or which are
        less onerous only to the extent necessary (in the opinion of the company
        or its legal advisors) to ensure that such undertakings are valid and
        enforceable.

4.3     The rights and obligations of the Company shall be transferable to its
        successors and assigns.

In witness of which this Deed of Undertaking has been executed by the Executive
on the above date

Signed by the Executive: )      /s/ JOHN LILLEY

in the presence of:      )      /s/ NEIL CROSSLEY
                                ------------------------------
                         )

/s/ SIEGFRIED GOLDING
------------------------
SRM GOLDING
MIDDLEWOOD
HILLBROW
LISS GU337PT

<PAGE>   8

                          FURTHER DEED OF UNDERTAKING

DATE: 2nd June 2000

This Deed of Undertaking is entered into by John Lilley of Heath House, Lynn
Road, Hillington, Kings Lynn, Norfolk ("the Executive").

INTRODUCTION

This Undertaking is given by the Executive in connection with the termination of
his employment with the Company and is to be read in conjunction with the
Initial Deed of Undertaking of even date.

1.      In this Undertaking:

        (a)     "the Additional Period"         means the period of 12 months
                                                commencing on 2 June 2001 and
                                                expiring on 1 June 2002;

        (b)     "The Additional Stock           means the following share
                Options"                        options which became exercisable
                                                on 1 June 2000 and which shall
                                                be exercisable by the Executive
                                                (subject to the rules of the
                                                scheme) by 1 September 2000:

<TABLE>
<CAPTION>
                                                   Exercise   Number
                Option Plan        Grant Date      Price      Vested
<S>                                <C>             <C>        <C>
                1989               4 April 1996    $5.03      16,000
</TABLE>

        subject to the above, capitalised terms used in this Undertaking bear
        the same meaning as those terms used in the Initial Deed of Undertaking.

2.      In consideration of the sum of (pound)1 (receipt of which the Executive
        acknowledges) and in further consideration of the agreement by the
        Company to postpone the Termination Date until 2 June 2000 so as to
        enable him to exercise the Additional Stock Options, the Executive
        undertakes to the Company in the terms set out in clause 3 of the
        Initial Deed of Undertaking for the Additional Period and subject to the
        terms of that deed so that the Initial Deed of Undertaking shall
        continue in force until the end of the Additional Period.

<PAGE>   9

In witness of which this Deed of Undertaking has been executed by the Executive
on the above date.

Signed by the Executive:      )

in the presence of:           )    /s/ JOHN LILLEY
                                   ------------------------
                              )

/s/ SIEGFRIED GOLDING
---------------------------
SRM GOLDING
MIDDLEWOOD
HILLBROW
LISS GU357PT<PAGE>   1

                                                                   EXHIBIT 10.58

                   AMENDMENT NO. 3 TO ASSET PURCHASE AGREEMENT

     THIS AMENDMENT NO. 3 TO ASSET PURCHASE AGREEMENT ("Amendment No. 3") is
entered into as of August 1, 2000, by and between ALPHA MICROSYSTEMS, a
California corporation doing business as AlphaServ.com (the "Seller") and R.E.
MAHMARIAN ENTERPRISES, LLC, a California limited liability company (the "Buyer")
(collectively the "Parties").

                                R E C I T A L S :

     WHEREAS, the Parties entered into an Asset Purchase Agreement dated
December 31, 1999 (the "Agreement") as amended by that certain Amendment No. 1
to Asset Purchase Agreement dated January 31, 2000 ("Amendment No. 1") and that
certain Amendment No. 2 to Asset Purchase Agreement dated March 15, 2000
("Amendment No. 2"). All references in this Amendment No. 3 to the Agreement
shall mean the Agreement, as amended by Amendment No. 1 and Amendment No. 2.

     WHEREAS, the Parties now desire to amend the Agreement.

     WHEREAS, unless otherwise defined herein, all capitalized terms have the
same meaning as defined in the Agreement.

     WHEREAS, under Amendment No. 2, Buyer had agreed to pay to Seller as part
of the Purchase Price under Section 1.03 of the Agreement the amount of Five
Hundred Thousand Dollars ($500,000) in cash and in accordance with the terms
provided in Amendment No. 2 (the "Additional Purchase Price").

     WHEREAS, Buyer has paid to Seller a portion of the Additional Purchase
Price and the Parties now desire to amend the terms for payment of the remaining
Additional Purchase Price.

     NOW, THEREFORE, in consideration of the foregoing recitals and the mutual
covenants contained herein, and for other good and valuable consideration, the
receipt and sufficiency of which is hereby acknowledged, the Parties agree to
amend the Agreement as follows:

                                   AMENDMENTS

     1. Section 1.03(d) of the Agreement is hereby deleted in its entirety and
replaced with the following:

     "(d) Additional Purchase Price. As of the date of Amendment No. 3, Buyer
     has paid to Seller Two Hundred Seventy Thousand Dollars ($270,000) of the
     Additional Purchase Price. As a result Two Hundred Thirty Thousand Dollars
     ($230,000) (the "Remaining Additional Purchase Price") continues to be owed
     by Buyer. Buyer and Seller acknowledge and agree that the Remaining
     Additional Purchase Price shall be due in full,

<PAGE>   2

     payable in cash by June 30, 2001 (the "Payment Date"), including interest
     which shall be payable monthly at the rate of ten percent (10%) per year.
     The first such monthly interest payment shall be due on September 1, 2000
     with monthly interest payments thereafter due on the first day of each
     successive month through and including June 1, 2001. Each such monthly
     interest payment shall be in the amount of One Thousand Nine Hundred and
     Sixteen Dollars and Sixty-Seven Cents ($1916.67); provided, however, that
     such monthly interest payments shall be adjusted to reflect any prepayment
     of all or any portion of the Remaining Additional Purchase Price. Any such
     monthly interest payment not made when due shall accrue interest at the
     rate of ten percent (10%) per year. On the Payment Date, Buyer shall pay
     Seller all interest accrued and owing since the last monthly interest
     payment plus the Remaining Additional Purchase Price, less any amount of
     the Remaining Additional Purchase Price prepaid by Buyer prior to the
     Payment Date. The Parties further agree that Seller may, at its discretion,
     pay all or any part of the outstanding Remaining Additional Purchase Price,
     including all interest which shall accrue prior to the Payment Date, at any
     time without penalty."

     IN WITNESS WHEREOF, the Parties have executed this Amendment No. 3 to the
Agreement as of the date first above written and all other terms and conditions
of the Agreement not herein deleted or amended remain as stated in the original
Agreement.

                                     SELLER:

                                     ALPHA MICROSYSTEMS,
                                     a California corporation

                                     By:
                                         ---------------------------------------
                                         Douglas J. Tullio
                                         Chief Executive Officer

                                     BUYER:

                                     R.E. MAHMARIAN ENTERPRISES, LLC,
                                     a California limited liability company

                                     By:
                                         ---------------------------------------
                                         Richard E. Mahmarian
                                         Managing Member

                                      -2-

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