Document:

Exhibit 10.4
                                  ------------

                               SECURITY AGREEMENT
                                                                   MAY 3, 2001
                                                                   -----------
                                                                      DATE
                                Howard Silverman
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                                      NAME

A resident(s) of           6646 Indian School Rd. NE
                -------------------------------------------------------------
                                 NO. AND STREET

  Albuquerque                                                NM         87110
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      CITY                           COUNTY                      STATE

(Hereinafter called "DEBTOR"), for consideration grants to

                      TrueVision Medical Associates, Inc.
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                                      NAME
                                 P.O. Box 4834
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                                 NO. AND STREET
        San Diego                                            CA          92164
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      CITY                          COUNTY                        STATE

(Hereinafter called "SECURED PARTY") a security interest in the following
property and any and all additions, accessions and substitutions thereto or
therefore (hereinafter called the "COLLATERAL"):

See attached Exhibit A

If marked here,[  ] Debtor grants a security interest in all similar property
owned by Debtor during the time the Obligations are outstanding, although such
property may be acquired after the date hereof; provided, however, that no
security interest shall attach to consumer goods other than accessions unless
the Debtor acquires rights in them within ten (10) days after the Secured Party
gives value.

To secure payment of the indebtedness evidenced by A Certain promissory note
                                                  ---
      of even date herewith, payable to the Secured Party, or order, as follows:
------
        1. $3,423.26 payable in June 1, 2001

        2. 3,423.26 on 1st of each and every month unti8l Promissory Note of
           $57,000.00 is paid in full.

                                       1
<PAGE>
Together with such additional sums as may hereafter be advanced to the Debtor or
expended by the Secured Party or its assigns on behalf of the Debtor or his
assigns for any purpose whatsoever and evidenced by notes, drafts, open account,
or otherwise, with interest thereon at rates to be fixed at the time of
advancing or expending such additional sums; provided, however that the making
of any such advances or expenditures shall be optional with Secured Party, or
its assigns; and this security agreement shall secure the payment of any and all
extensions or renewals and successive extensions or renewals of said note or
notes, and of any indebtedness at any time owing to Secured Party, or its
assigns, and shall further secure the payment of any and all indebtedness owing
by Debtor to Secured Party, and for all of which this security agreement shall
stand as continuing security until paid (all of such indebtedness being referred
to as the "Obligations"); and the Debtor agrees that the Secured Party, its
successors or assigns, may apply any payments made on the Obligations secured
hereby, at its option, on any of the notes or other indebtedness secured hereby.

DEBTOR EXPRESSLY WARRANTS AND COVENANTS:

    1.  That except for the security interest granted hereby Debtor is, or to
the extent that this agreement states that the Collateral is to be acquired
after the date hereof, will be, the owner of the Collateral free from any
adverse lien, security interest or encumbrance; and that Debtor will defend the
Collateral against all claims and demands of all persons at any time claiming
the same or any interest therein.

    2.  That is marked here , the Collateral is used or bought primarily for
personal, family or household purposes; that if marked here , the Collateral is
used or bought primarily for use in farming operations; that if marked here the
Collateralis being acquired with the proceeds of the note or notes, which
Secured Party may disburse direct to the Seller of the collateral.

    3.  That Debtor's count of residence is as stated above, and the Collateral
will be kept at

      1700 Louisiane Blve. NE    Albuquerque     Bernalillo      New Mexico
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          NO. STREET                CITY           COUNTY          STATE

    4.  That if any of the Collateral is crops growing or to be grown, goods
which are or are to become fixtures, timber to be cut or minerals or the like
(including oil and gas) or accounts financed at the wellhead or minehead of the
well or mine, a description of the real estate is as follows:

And the name of the record owner of the real estate is
                                                      -------------------------

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And that if the Collateral is attached to real estate or if the Collateral
includes crops growing or to be grown, goods which are or are to become

                                       2
<PAGE>
fixtures, timber to be cut or minerals or the like (including oil and gas) or
accounts financed at the wellhead or minehead or the well or mine, Debtor will,
on demand or Secured Party, furnish Secured Party with a disclaimer or
disclaimers or a subordination agreement signed by all persons having an
interest in the real estate, disclaiming or subordinating any interest in the
Collateral which is prior to Secured Party's interest.

    5.  That no financing statement covering the Collateral or any proceeds
thereof is on file in any public office and that at the request of Secured
Party, Debtor will join with Secured Party in executing one or more financing
statements pursuant to the New Mexico Uniform Commercial Code in form
satisfactory to Secured Party and will pay the cost of filing such financing
statement, this security agreement and any continuation or termination
statement, in all public offices wherever filing is deemed by Secured Party to
be necessary or desirable.

    A carbon, photographic or other reproduction of a Security Agreement or a
Financing Statement is sufficient as a Financing Statement.

    6.  Not to sell, transfer or dispose of the Collateral, nor take the same or
attempt to take the same from the county where dept as above stated, without
prior consent of the Secured Party.

    7.  To pay all taxes and assessments of every nature which may be levied or
assessed against the Collateral.

    8.  Not to permit or allow any adverse lien, security interest or
encumbrance whatsoever upon the Collateral, and not to permit the same to be
attached or replevined.

    9.  That the Collateral is in good condition, and that he will. At his own
expense, keep the same in good condityion and from time to time, forthwith,
replace and repair all such parts of the collateral as may be broken, worn out,
or damaged without allowing any lien to be created upon the Collateral on
account of such replacement or repairs, and that the Secured Party may examine
and inspect the Collateral at any time, wherever located.

    10.At its option, Secured Party may discharge taxes, liens or security
interests or other encumbrances at any time levied or placed on the collateral
and may pay for the repair of any damage or injury and may pay for the
maintenance and preservation of the Collateral. Debtor agrees to reimburse
Secured Party on demand for any payment made or expense incurred by Secured
Party pursuant to the foregoing authorization. Until such reimbursement, the
amount of any such payment, with interest at the rate of 10% annum from date of
payment until reimbursement, shall be added to the indebtedness owed by Debtor
and shall be secured by this security agreement.

    11.That he will at his own expense forthwith insure the Collateral in a
reliable insurance company against loss or damage by fire and Extended coverage
For an amount equal to the aggregate sum of said indebtedness, and keep the same
so insured continuously until the full amount of said indebtedness is paid, with
loss payable to Secured Party as its interest may appear, and that he will on
demand deliver said policies of insurance or furnish proof of such insurance to

                                       3
<PAGE>
the Secured Party, and in case of loss, the Secured Party shall retain from the
insurance money an amount equal to the total balance of said indebtedness the
same is due or not. Should the Debtor fail or forthwith effect such insurance
and deliver the policies or furnish proof of such insurance as aforesaid, or
fail to keep the Collateral so insured continuously until the full amount to
said indebtedness is paid, the Secured Party may at its option effect such
insurance and the amount so paid for such insurance with interest at the rate of
10% per annum form date of payment until repaid shall be added to said
indebtedness, and the same shall be secured by this security agreement.

    12. That in the event this security agreement is placed in the hands of any
attorney for enforcement, said Debtor will pay the reasonable attorney's fees of
Secured Party, but in no event less than then per cent (10%) of the total amount
due or unpaid and said Debtor will pay said Secured Party any and all costs and
expenses incurred in recovering possession of the Collateral and incurred in
enforcing this security agreement, and the same shall be secured by this
security agreement.

    13. That he will not use the Collateral in violation of any applicable
statuses, regulations or ordinances, and that if the Collateral includes one or
more motor vehicles he will not rent the Collateral nor allow the Collateral to
be used in rental service, or in any speed or endurance contest.

    14. That if the Collateral includes one or more motor vehicles he will not
use or cause or permit the Collateral to be used for the transportation of
liquor, wines or any other beverage for personal or commercial use, prohibited
by any Federal or State statute to be transported.

    UNTIL DEFAULT debtor may have possession of the Collateral and use it in any
lawful manner not inconsistent with this agreement and not inconsistent with
this agreement and not inconsistent with any policy of insurance thereon, and
upon default Secured Party shall have the immediate right to the possession of
the Collateral.

    DEBTOR SHALL BE IN DEFAULT under this agreement upon the happening of any of
the following events or conditions:

    (a)  default in the payment or performance of any obligation, covenant or
         liability contained or referred to herein or in any note evidencing the
         same;

    (b)  any warranty, representation or statement made or furnished to Secured
         Party or on behalf of Debtor proves to be false in any material respect
         when made or furnished;

    (c)  any event which results in the acceleration of the maturity of the
         indebtedness of Debtor to others under any indenture, agreement or
         undertaking;

    (d)  loss, theft, damage, destruction, sale or encumbrance to or of any of
         the Collateral, or the making of any levy, seizure or attachment
         thereof or thereon;

                                       4
<PAGE>
    (e)  death, dissolution, termination of existence, insolvency, business
         failure, appointment of a receiver of any part of the property of,
         assignment for the benefit of creditors by, or the commencement of nay
         proceeding under any bankruptcy or insolvency laws by or against Debtor
         or any guarantor or surety for Debtor.

    UPON SUCH DEFAULT and at any time thereafter, or if it deems itself
insecure, Secured Party may declare all Obligations secured hereby immediately
due and payable and shall have the remedies of a secured party under the New
Mexico Uniform Commercial Code. Secured Party may require Debtor to assemble the
Collateral and deliver or make it available to Secured Party at a place to be
designated by Secured Party which is reasonably convenient to both parties.
Unless the Collateral is perishable or threatens to decline speedily in value or
is of a type customarily sold on a recognized market, Secured Party will give
Debtor reasonable notice of the time and place of any public sale thereof or of
the time after which any private sale or any other intended disposition thereof
is to be made. The requirements of reasonable notice shall be met if such notice
is mailed, posage prepaid, to the address of Debtor shown at the beginning of
this agreement at least five days before the time of the sale or disposition.
Expenses of retaking, holding, preparing for sale, selling or the like shall
include Second Party's reasonable attorney's fees and legal expenses.

    No waiver by Secured Party of any default shall operate as a waiver of any
other default or of the same default on a future occasion. The taking of this
security agreement shall not waive or impair any other security said Secured
Party may have or hereafter acquire for the payment of the above indebtedness,
nor shall the taking of any such additional security waive or impair this
security agreement; but said Secured Party may resort to any security it may
have in the order it may deem proper, and notwithstanding any collateral
security, Secured Party shall retain its rights of setoff against the Debtor.

    All rights of Secured Party hereunder shall inure to the benefit of its
successors and assigns; and all promises and duties of Debtor shall bind his
heirs, executors or administrators or his or its successors or assigns. If there
be more than one Debtor, their liabilities hereunder shall be joint and several.

    This agreement shall become effective when it is signed by Debtor.

Secured Party:                         Debtor:

/s/                                    /s/ Howard Silverman
------------------------------------   --------------------------------
True Vision Medical Associates, Inc.      Howard Silverman
------------------------------------   --------------------------------

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

    Note: Notarized acknowledgments are not required by New Mexico Statutes for
UCC financing statements and security agreements (New Mexico Statutes Annotated,
w/1985 Cumulative Supplements, Sec. 14-8-4).

                                       5
<PAGE>
<TABLE>
<S>                      <C>   <C>             <C>             <C>          <C>             <C>
Item                     Qty   Manufacturer    Model           Number       Serial          Lot Number
                                               Name                         Number
Pachymeter                 1   Sonomed         Micropach       200p         P2-0699-0449
Topographer                1   Zeis-Humphreys                  Ae992            992-2332
Autoclave                  1   SCICAN          Statum          2000            2109I6730
Autoclave                  1   SCICAN          Statum          2000              208887A
Autoclave                  1   Ritter          Speedclave                           678L
Autoclave                  1   Fisher                          750             D59983577
Plum Sled-base chairs      4   Hayworth                        C500-1213                     MKB122018
Plum Sled-base chairs      2   Hayworth                        C500-1213                     MKB122292
Plum Sled-base chairs      3   Hayworth
Chair                      1   Marco                           1280              99H0101
Stand                      1   Marco                           1290              99G0207
Phoropter                  1   Marco           Reichert        11635             17255-4
Slit Lamp                  1   Marco           Ultra Slitlamp                   99HJ0123
                                                      G2
Projector                  1   Marco                                               25839
Chair                      1   Marco                           1280              99H0102
Stand                      1   Marco                           1290             999G0208
Phoropter                  1   Reichert                        11635             17255-4
Slit Lamp                  1   Marco                                               25836
Projector                  1   Marco                                               25836
Side Chair                 1   Reliance                        4246          43109902110
Side Chair                 1   Reliance                        4246          43109902121
Side Chair                 1   Reliance                        4246           4310990216
Assorted Refractive Surgical Instruments
2 Black Leather/Wood
Recliner Chairs
2 Black Leather/Wood
Ottomans
3 Wood Office Desks
1 Wood Credenza
1 Toshiba Phone Systems & 9 Handsets
Computer Network: 1 Server & 3 Complete Work Stations
ACT Database
CompuLink Software
ALL PATIENT FILES
</TABLE>

EXHIBIT A
To Security agreement dated May 3, 2001
By and between Howard Silverman, Debtor and
TrueVision Medical Associates, Inc., Secured Party

/s/ Howard Silverman
-------------------------
Howard Silverman

/s/ John C. Homan
-------------------------
John C. Homan, President
TrueVision Medical Associates, Inc.,

                                       6Exhibit 10.5
                                  ------------

   V   I   S   X      3400 Central Expressway
WE MAKE THINGS CLEAR  Santa Clara, CA 95051-0703             sales agreement
                      Tel: (408) 733-2020
                      FAX: (408) 773-7055

BILL TO: Lasik America, Inc.                SHIP TO: Lasik America, Inc.
"Buyer"  6644 Indian School Rd. NE                   6644 Indian School Rd. NE
         Albuquerque, NM 87110                       Albuquerque, NM 87110

Telephone No.   505-837-2020                Telephone No.   505-837-2020
Contact:   Robert Helmer                    Contact:        Robert Helmer
---------|--------|----------------------|--------------|-----------------------
DATE     |SHIP VIA|           F.O.B.     | PAYMENT TERMS|ESTIMATED DELIVERY DATE
---------|--------|----------------------|--|-----------|-----------------------
         |        |Destination - Charge Back| Net 30    |
---------|--------|-------------------------|----|------|------|----------------
QUANTITY |ITEM NO.| PRODUCT DESCRIPTION "PRODUCT"| UNIT COST   | EXTENDED COST
---------|--------|------------------------------|-------------|----------------
         |        | VISX VisionKey(R)Cards       |  $10.00     |
All taxes|        | S/N 3095                     |(plus        |
Shipping,|        |                              | applicable  |
and      |        |                              | licensefee) |
Insurance|        |                              |    Subtotal:|
are the  |        |                              |Less Deposit:|
Buyer's  |        |                              |         Tax:|
respons- |        |                              |Shipping/Ins:|
ibility  |        |                              |       TOTAL:|
         |        |                              |             |
---------|--------|------------------------------|-------------|----------------
SALES TAX STATUS:
Goods are being purchased for resale: Yes X  No   (check one).
                                        ----   ---
If yes,  resale  certificate  #  Applied  for  5/10/01  (please  attach  copy as
required).                    -------------------------
Purchaser of goods being purchased is exempt
                            from sales tax: Yes    No   (check one).
                                              ---    ---
If yes, please state basis and provide exemption certificate as appropriate.
--------------------------------------------------------------------------------
CAUTION: THE VISX STAR EXCIMER LASER SYSTEM (T M) (THE "SYSTEM) MAY ONLY BE USED
IN THE  UNITED  STATES  BY EYE CARE  PRACTIONERS  WHO HAVE BEEN  TRAINED  IN THE
SYSTEM'S  CALIBRATION  AND  OPERATION  AND WHO HAVE  EXPERIENCE  IN THE SURGICAL
MANAGEMENT  AND  TREATMENT  OF THE  CORNEA.  THE  SYSTEM MAY ONLY BE USED IN THE
UNITED STATES FOR PERFORMING  INDICATIONS APPROVED BY THE UNITED STATES FOOD AND
DRUG  ADMINISTRATON,  AS DESCRIBED IN THE VISX  OPERATOR'S  MANUALS.  USE OF THE
SYSTEM FOR ANY OTHER PROCEDURE IS INVESTIGATIONAL.

USE OF THE SYSTEM IS PROHIBITED IN THE ABSENCE OF A VALID VISX PATENT LICENSE.

                                       1
<PAGE>
VISX  RESERVES  THE RIGHT TO REJECT ALL  ORDERS  PRIOR TO  SHIPMENT  IN ITS SOLE
DEISCRETION.  THE SALE OF THE PRODUCTS IS GOVERNED BY THIS SALES  AGREEMENT WITH
THE ATTACHED TERMS AND CONDITIONS. NO TERM OR CONDITION CONTAINED IN THE BUYER'S
PURCHASE  ORDER (OTHER THAN  SHIPPING  DESTINATION)  SHALL APPLY AND VISX HEREBY
OBJECTS TO ANY SUCH TERM OR CONDITION.

ACCEPTED:                           AGREED:
VISX, INCORPORATED                  BUYER
                                    I am authorized to sign this Sales
                                    Agreement on Buyer's behalf.
                                    /s/ Robert S. Helmer
--------------------------------    ------------------------------------
By:                                 Print Name: Robert S. Helmer
Title:                              Print Title: Chief Operating Officer
Date:                               Print Date: 5/10/01
                          Terms and Conditions attached

                 TERMS AND CONDITIONS OF SALE FOR VISX PRODUCTS

Purchase. Subject to these Terms and conditions. Buyer  agrees  to  purchase and
--------
VISX agrees to sell the Products  described on the front page of these Terms and
Conditions,  provided that VISX retains title to the VisionKey card data and all
copyrights,  trade secret rights and other  intellectual  property  rights.  All
sales,  use,  and other  taxes and  charges  that VISX may be required to pay or
collect with respect to the Products  covered by this Agreement shall be charged
to the Buyer.

Restrictions.  Use of the VISX Excimer Laser System (T M) (the "System)  and the
------------
Vision Key cards is subject to Buyer's  agreement  to the terms of the  separate
VISX Patent  License (the "License  Agreement").  The License  Agreement must be
executed by Buyer prior to  installation  of the  System.  Sale of the  Products
alone shall in no way be construed as an implied  license to perform  procedures
using the System, nor does sale of Products convey any license,  expressly or by
implication, to manufacture, duplicate or otherwise copy or reproduce any of the
Products.  Buyer man not assign or otherwise  transfer this  Agreement or any of
its rights or obligations hereunder.  Buyer is prohibited from tampering with or
attempting  to reverse  engineer  the  VisionKey  card or any device or software
installed  on the System for the  purpose of  monitoring  the number of Licensed
Procedures  performed.  MODIFYING  OR ALTERING  THE SYSTEM,  THE SOFTWARE IN THE
SYSTEM,  THE VISIONKEY CARD OR THE CARD READING MECHANISM IN ANY WAY CONSTITUTES
WILLFUL  INFRINGEMENT OF VISX'S  INTELLECTUALPROPERTY  AND MAY ENDANGER  PATIENT
SAFETY AND COSMETIC ACT AND COULD SUBJECT THE BUYER AND/OR THE AUTHORIZED  USERS
TO ACTION BY THE FDA RESUTING IN SEIZURE,  INJUNCTION,  CIVIL PENALTIES,  AND/OR
CRIMINAL PROSECUTION.

Security Interest. Buyer hereby grants to VISX a security interest in all of its
-----------------
right and interest, now or in the future,in and to the System and all additions,
accessions,  and  upgrades  to the System to secure  performance  of the Buyer's
obligations  under the License  Agreement,  including the  obligation to pay the
fees associated with performance of Licensed Procedures. Buyer agrees to execute

                                       2
<PAGE>
any documents as reasonably requested by VISX to perfect and enforce its rights.
Buyer  understands that if it breaches any obligation in the License  Agreement,
VISX will be  entitled  to disable  or take  possession  of the  System  without
notice.

Downpayment and Cancellation. If Buyer cancels delivery prior to shipment of the
----------------------------
Products, any downpayment paid by Buyer shall be non-refundable.

Delivery.  VISX shall use reasonable efforts to deliver the Products on the date
--------
specified on the front of these Terms and Conditions.  Risk of loss of or damage
to the Products  shall pass to Buyer upon  delivery to the Buyer's  location set
forth  under "Ship To" on the front page of these  Terms and  Conditions.  Buyer
shall obtain and maintain at its own expense insurance against loss of or damage
to the System,  and public  liability  and property  damage  insurance,  for the
period  beginning on the date of delivery to Buyer's  location and ending on the
date full payment for the System is made.  VISX  reserves  title to all Products
until full payment has been  received,  except that title to VisionKey card data
remains in VISX.  Shipping,  delivery and installation dates are approximate and
are based upon prompt  receipt of all  necessary  information.  VISX will not be
liable for  failure to ship  products in  connection  with  governmental  order,
strikes, floods, fires,  earthquakes,  and other causes reasonably beyond VISX's
control,  including  inability to obtain labor or materials or other  production
delays, in which case VISX may postpone delivery,  shipment,  or installation at
its option without liability.

Installation and Acceptance.  VISX  will install  the System at Buyer's facility
---------------------------
and shall complete the items required by VISX's standard installation checklist.
Upon successful  completion of the items on the  installation  checklist.  Buyer
will sign the delivery  and  acceptance  form  acknowledging  acceptance  of the
System.

Buyer's Remedies.  In  the  event  of  a  breach  by  VISX  of any of the terms,
----------------
provisions,   or  warranties  under  this  contract,   or  a  violation  of  any
representation  made in this Agreement.  VISX's sole and exclusive liability and
Buyer's sole and  exclusive  remedy shall be limited at VISX's  option to either
(a) repair or replacement of any goods which are the subject of any such breach,
default or violation,  or (b) refund of the purchase price of such goods. EXCEPT
AS SET FORTH IN THE ATTACHED  "TERMS OF WARRANTY OF VISX EXCIMER LASER  SYSTEM,"
ALL  WARRANTIES  OF ANY NATURE,  EXPRESS OR IMPLIED,  INCLUDING  ANY WARRANTY OF
MERCHANTABILITY  OR  FITNESS  FOR  A  PARTICULAR   PURPOSE,   ARE  EXCLUDED  AND
DISCLAIMED.

Training.  VISX  will  provide  Buyer with initial system operator and physician
--------
training as  specified by the Food and Drug  Administration,  not to exceed five
(5)  physicians  per  System;  training  for  additional  system  operators  and
physicians will be provided at VISX's standard  charges.  VISX will notify Buyer
of any  further  training  that may be required in the future to comply with FDA
requirements of VISX licensing policies.

                                       3
<PAGE>
Governing Law.  This Agreement shall be governed by and construed under the laws
-------------
of the State of California  without regard to conflict of law principles.  Buyer
consents to the  jurisdiction  of the federal and state courts in California and
agrees that venue shall lie exclusively in Santa Clara County, California.

Arbitration.  Any controversy or claim arising out of or relating to  this Sales
-----------
Agreement, or the beach thereof, shall be finally settled by binding arbitration
in Santa Clara County,  California under the Commercial Arbitration Rules of the
American Arbitration  Association by one arbitrator appointed in accordance with
such Rules;  provided,  however,  that  neither  party shall be  precluded  from
seeking  injunctive  relief in a court of law. Judgment on the award rendered by
the arbitrator may be entered in any court having jurisdiction thereof.

Entire Agreement; No Modification.   This  writing  together  with  the  License
---------------------------------
Agreement is intended by VISX and Buyer as a final expression of their agreement
and as a complete and exclusive  statement of the terms of their  agreement.  No
course of Prior dealings  between the parties and no usage of the trade shall be
relevant  to  supplement  or  explain  any  term  used  in  this  Agreement.  No
modification  of or  amendment to this  Agreement,  nor any waiver of any rights
under this Agreement,  shall be effective  unless in writing signed by the party
to be charged.

Limitation  Period.   No  suit  or  legal  proceeding  arising  under the terms,
------------------
conditions, and warranty provisions of this Sales Agreement shall in any case be
maintainable  against VISX unless commenced or made against VISX within one year
after the expiration of the applicable  warranty  period,  and the lapse of such
period shall be a complete bar to any recovery in any such suit or proceeding.

Severability of Terms.  If  any  term  or  condition (or part thereof) contained
---------------------
herein is held to be invalid,  the remaining  terms and conditions of this Sales
Agreement shall not be affected thereby.

                 TERMS OF WARRANTY OF VISX EXCIMER LASER SYSTEM

Product Warranty.  VISX warrants that, subject to the limitation and  disclaimer
----------------
below, the System and VisionKey cards will be free from defects in materials and
workmanship  for a period of one year from the date of initial  installation  of
the  System  when  properly  installed,  maintained,  and used for its  intended
purpose.  During the warranty period VISX will, at its option,  either repair or
replace any  equipment  that does not  conform  with the  foregoing  warranty or
refund the purchase price.

Warranty Repair.  Before returning any Product to VISX Buyer  shall first obtain
---------------
return material  authorization  from the VISX Service  Department.  The Returned
Material Authorization Number issued by VISX must be noted on the outside of the
shipping container.  VISX DISCLAIMS ALL LIABILITY WITH RESPECT TO DATA CONTAINED
IN ANY PRODUCT RETURNED FOR REPAIR.

                                       4
<PAGE>
Limitations.  This  warranty  applies  only  to the end user who is the original
-----------
purchaser of the Product, and only so long as the Product is used in the country
to which it was originally  shipped by VISX. This warranty will not apply to any
Product that has been subjected to improper  operation,  unauthorized  repair or
modification of hardware or software,  or operation outside of the environmental
specifications  of the  Product.  This  warranty  is null  and  void if the user
attempts  to  service  or  repair  the  Products   (other  than  performing  the
maintenance  described in the operator and technical manuals),  or if service is
performed by persons who are neither  trained nor  certified by VISX.  TAMPERING
WITH THE VISIONKEY CARD OR THE SYSTEM'S CARD READER INSTALLED IN THE SYSTEM WILL
AUTOMATICALLY VOID THIS WARRANTY.

Disclaimer.  EXCEPT AS SET FORTH HEREIN, ALL WARRANTIES OF ANY NATURE, EXPRESSOR
----------
IMPLIED,  INCLUDING ANY WARRANTY OF  MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE,  ARE EXPRESSLY  EXCLUDED AND DISCLAIMED.  THE FOREGOING  WARRANTIES ARE
EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES,  EXPRESS,  IMPLIED,  STATUTORY OR
OTHERWISE.  VISX DOES NOT WARRANT THAT THE  OPERATION  OF THE  PRODUCTS  WILL BE
UNINTERRUPTED OR ERROR FREE.

Service  Contract.  VISX  offers  repair  and  maintenance  services  beyond the
-----------------
warranty period under a separate service contract.  Any  out-of-warranty  repair
services provided to Buyer without a service contract shall be paid for by Buyer
at VISX's standard charges.

Limitation of Liability.  VISX WILL NOT BE LIABLE FOR INCIDENTAL, CONSEQUENTIAL,
-----------------------
INDIRECT OR SPECIAL  DAMAGES OF ANY KIND,  INCLUDING  BUT NOT LIMITED TO DAMAGES
FOR LOSS OF REVENUE,  LOSS OF DATA, LOSS OF BUSINESS OR BUSINESS  OPPORTUNITY OR
OTHER   FINANCIAL  LOSS  ARISING  OUT  OF  OR  IN  CONNECITON   WITH  THE  SALE,
INSTALLATION,  PERFORMANCE,  FAILURE, USE OR INTERRUPTED USE OF ITS PORDUCTS, OR
THE  UNAUTHORIZED  USE OF THE PRODUCTS.  VISX'S LIABILITY FOR ANY LOSS OR DAMAGE
ARISING OUT OF OR RESULTING FROM THIS AGREEMENT OR ITS PERFORMANCE OR BREACH, OR
IN CONNECTION WITH THE PRODUCTS FURNISHED HEREUNDER,  WILL IN NO CASE EXCEED THE
PRICE OF THE SPECIFIC PRODUCT WHICH GIVES RISE TO THE CLAIM.

                                       5

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00029-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00029-of-00352.parquet"}]]