SUMMIT TECHNOLOGY INC
S-3/A, 1999-08-09
ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS
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<PAGE>   1

     AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON AUGUST 9, 1999

                                                      REGISTRATION NO. 333-83213
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------
                                AMENDMENT NO. 1
                                       TO
                             REGISTRATION STATEMENT
                                       ON

                                    FORM S-3
                                     UNDER
                           THE SECURITIES ACT OF 1933
                            ------------------------

                            SUMMIT TECHNOLOGY, INC.
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

<TABLE>
<S>                                                   <C>
                    MASSACHUSETTS                                          04-2897945
           (STATE OR OTHER JURISDICTION OF                                (IRS EMPLOYER
           INCORPORATION OR ORGANIZATION)                              IDENTIFICATION NO.)
</TABLE>

                                21 HICKORY DRIVE
                          WALTHAM, MASSACHUSETTS 02451
                                 (781) 890-1234
           (ADDRESS, INCLUDING ZIP CODE, TELEPHONE NUMBER, INCLUDING
            AREA CODE, OF REGISTRANT'S PRINCIPAL EXECUTIVE OFFICES)
                            ------------------------
                            JAMES A. LIGHTMAN, ESQ.
                   VICE PRESIDENT, GENERAL COUNSEL AND CLERK
                            SUMMIT TECHNOLOGY, INC.
                                21 HICKORY DRIVE
                          WALTHAM, MASSACHUSETTS 02451
                                 (781) 890-1234
             (NAME, ADDRESS, INCLUDING ZIP CODE, TELEPHONE NUMBER,
                   INCLUDING AREA CODE, OF AGENT FOR SERVICE)
                            ------------------------
                                   COPIES TO:

<TABLE>
<S>                                                   <C>
               KEITH F. HIGGINS, ESQ.                                 MARK L. JOHNSON, ESQ.
                    ROPES & GRAY                                    EARL W. MELLOTT, II, ESQ.
               ONE INTERNATIONAL PLACE                               FOLEY, HOAG & ELIOT LLP
             BOSTON, MASSACHUSETTS 02110                             ONE POST OFFICE SQUARE
                   (617) 951-7000                                  BOSTON, MASSACHUSETTS 02109
                                                                         (617) 832-1000
</TABLE>

                            ------------------------
     APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC: As soon as
practicable after the Registration Statement becomes effective.

     If the only securities being registered on this Form are being offered
pursuant to dividend or interest reinvestment plans, please check the following
box:  [ ]

     If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, check the following box:  [ ]

     If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering:  [ ] __________

     If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering:  [ ] __________

     If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box:  [ ]
                            ------------------------
     THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(a) OF
THE SECURITIES ACT OF 1933 OR UNTIL THE REGISTRATION STATEMENT SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE SEC, ACTING PURSUANT TO SAID SECTION 8(a), MAY
DETERMINE.
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>   2

                                    PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 16.  EXHIBITS

<TABLE>
<CAPTION>
EXHIBIT
NUMBER                            DESCRIPTION
- -------                           -----------
<C>       <S>
    1     Form of Underwriting Agreement regarding the issuance and
          sale of the common stock between Summit Technology, Inc. and
          the underwriters.*
    4.1   Articles of Organization, as amended, of Summit
          (incorporated by reference to Exhibit 3.1 of Summit's Annual
          Report on Form 10-K for the year ended December 31, 1992).
    4.2   Amendment to the Articles of Organization of Summit dated
          September 7, 1994 (incorporated by reference to Exhibit 3.1
          of Summit's Annual Report on Form 10-K for the year ended
          December 31, 1994).
    4.3   Amendment to the Articles of Organization of Summit dated
          July 16, 1997 (incorporated by reference to Exhibit 4.3 of
          Summit's Registration Statement on Form S-8 filed with the
          Securities and Exchange Commission on May 6, 1999).
    4.4   By-laws, as amended, of Summit (incorporated by reference to
          Exhibit 3(b) of Summit's Annual Report on Form 10-K for the
          year ended December 31, 1994).
    4.5   Amendment to the Articles of Organization of Summit dated
          April 29, 1999 (incorporated by reference to Exhibit 3.1 of
          Summit's Current Report on Form 8-K filed with the
          Securities and Exchange Commission on July 19, 1999).
    4.6   Rights Agreement (incorporated by reference to Exhibit 1 to
          Summit's Registration Statement on Form 8-A filed with the
          Securities and Exchange Commission on April 2, 1990).
    5     Opinion of Ropes & Gray regarding the legality of the
          securities being registered.*
   23.5   Consent of Ropes & Gray (included in Exhibit 5).*
</TABLE>

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

* Filed herewith.
<PAGE>   3

                                   SIGNATURES

       Pursuant to the requirements of the Securities Act of 1933, the
registrant certifies that it has reasonable grounds to believe that it meets all
of the requirements for filing on Form S-3 and has duly caused this Amendment
No. 1 to the Registration Statement to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of Waltham, The Commonwealth
of Massachusetts, on the 9th day of August 1999.

                                      SUMMIT TECHNOLOGY, INC.

                                      By: /s/ Robert J. Palmisano
                                         ---------------------------------------
                                             Robert J. Palmisano
                                             Chief Executive Officer

       Pursuant to the requirements of the Securities Act of 1933, this
Amendment No. 1 to the Registration Statement has been signed by the following
persons in the capacities and on the 9th day of August 1999.

<TABLE>
<CAPTION>
                     SIGNATURE                                    TITLE
                     ---------                                    -----
<C>                                                  <S>                                <C>
                         *                           Chief Executive Officer and
- ---------------------------------------------------  Director (principal executive
                Robert J. Palmisano                  officer)

                         *                           Executive Vice President, Chief
- ---------------------------------------------------  Financial Officer and Treasurer
                  Robert J. Kelly                    (principal accounting and
                                                     financial officer)

                         *                           Director
- ---------------------------------------------------
                   Randy W. Frey

                         *                           Director
- ---------------------------------------------------
                Jeffrey A. Bernfeld

                         *                           Director
- ---------------------------------------------------
                  C. Glen Bradley

                         *                           Director
- ---------------------------------------------------
                 Richard F. Miller

                         *                           Director
- ---------------------------------------------------
                  John A. Norris

                         *                           Director
- ---------------------------------------------------
                Richard M. Traskos

            By: /s/ Robert J. Palmisano                                        Dated:  August 9, 1999
- ---------------------------------------------------
        Robert J. Palmisano
        Attorney-in-Fact
</TABLE>
<PAGE>   4

                                 EXHIBIT INDEX

<TABLE>
<CAPTION>
EXHIBIT
NUMBER                            DESCRIPTION
- -------                           -----------
<C>       <S>
    1     Form of Underwriting Agreement regarding the issuance and
          sale of the common stock between Summit Technology, Inc. and
          the underwriters.*
    4.1   Articles of Organization, as amended, of Summit
          (incorporated by reference to Exhibit 3.1 of Summit's Annual
          Report on Form 10-K for the year ended December 31, 1992).
    4.2   Amendment to the Articles of Organization of Summit dated
          September 7, 1994 (incorporated by reference to Exhibit 3.1
          of Summit's Annual Report on Form 10-K for the year ended
          December 31, 1994).
    4.3   Amendment to the Articles of Organization of Summit dated
          July 16, 1997 (incorporated by reference to Exhibit 4.3 of
          Summit's Registration Statement on Form S-8 filed with the
          Securities and Exchange Commission on May 6, 1999).
    4.4   By-laws, as amended, of Summit (incorporated by reference to
          Exhibit 3(b) of Summit's Annual Report on Form 10-K for the
          year ended December 31, 1994).
    4.5   Amendment to the Articles of Organization of Summit dated
          April 29, 1999 (incorporated by reference to Exhibit 3.1 of
          Summit's Current Report on Form 8-K filed with the
          Securities and Exchange Commission on July 19, 1999).
    4.6   Rights Agreement (incorporated by reference to Exhibit 1 to
          Summit's Registration Statement on Form 8-A filed with the
          Securities and Exchange Commission on April 2, 1990).
    5     Opinion of Ropes & Gray regarding the legality of the
          securities being registered.*
   23.5   Consent of Ropes & Gray (included in Exhibit 5).*
</TABLE>

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

* Filed herewith.

<PAGE>   1
                                                                       EXHIBIT 1



                             SUMMIT TECHNOLOGY, INC.

                               4,000,000 SHARES(1)

                                  COMMON STOCK


                             UNDERWRITING AGREEMENT
                             ----------------------



                                                                August____, 1999


HAMBRECHT & QUIST LLC
U.S. BANCORP PIPER JAFFRAY INC.
DAIN RAUSCHER WESSELS
   a division of Dain Rauscher Incorporated
As Representatives of the several Underwriters
c/o  Hambrecht & Quist LLC
     One Bush Street
     San Francisco, California 94104

Ladies and Gentlemen:

     Summit Technology, Inc., a Massachusetts corporation (herein called the
Company), proposes to issue and sell 4,000,000 shares (herein called the
Underwritten Stock) of its authorized but unissued Common Stock, $.01 par value
(herein called Common Stock). The Company proposes to grant to the Underwriters
(as hereinafter defined) an option to purchase up to 600,000 additional shares
of Common Stock (herein called the Option Stock and with the Underwritten Stock
herein collectively called the Stock). The Common Stock is more fully described
in the Registration Statement and the Prospectus hereinafter mentioned.

     The Company hereby confirms the agreements made with respect to the
purchase of the Stock by the several underwriters, for whom you are acting,
named in Schedule I hereto (herein collectively called the Underwriters, which
term shall also include any underwriter purchasing Stock pursuant to Section
3(b) hereof). You represent and warrant that you have been authorized by each of
the other Underwriters to enter into this Agreement on its behalf and to act for
it in the manner herein provided.

     1. REGISTRATION STATEMENT. The Company has filed with the Securities and
Exchange Commission (herein called the Commission) a registration statement on
Form S-3 (No. 333-83213), including the related preliminary prospectus, for the
registration under the Securities Act of 1933, as amended (herein called the
Securities Act), of the Stock. Copies of such registration statement and of each
amendment thereto, if any, including the related preliminary prospectus (meeting
the requirements of Rule 430A of the rules and regulations of the Commission)
heretofore filed by the Company with the Commission have been delivered to you.

     The term Registration Statement as used in this agreement shall mean such
registration statement, including all documents incorporated by reference
therein, all exhibits and financial statements, all information omitted
therefrom in reliance upon Rule 430A and contained in the Prospectus referred to
below, in the form in which it became effective, and any registration statement
filed pursuant to Rule

- --------

(1) Plus an option to purchase from the Company up to 600,000 additional shares
to cover over-allotments.






<PAGE>   2



462(b) of the rules and regulations of the Commission with respect to the Stock
(herein called a Rule 462(b) registration statement), and, in the event of any
amendment thereto after the time such registration statement was declared
effective (herein called the Effective Date), shall also mean (from and after
the effectiveness of such amendment) such registration statement as so amended
(including any Rule 462(b) registration statement). The term Prospectus as used
in this Agreement shall mean the prospectus, including the documents
incorporated by reference therein, relating to the Stock first filed with the
Commission pursuant to Rule 424(b) and Rule 430A (or if no such filing is
required, as included in the Registration Statement) and, in the event of any
supplement or amendment to such prospectus after the Effective Date, shall also
mean (from and after the filing with the Commission of such supplement or the
effectiveness of such amendment) such prospectus as so supplemented or amended.
The term Preliminary Prospectus as used in this Agreement shall mean each
preliminary prospectus, including the documents incorporated by reference
therein, included in such registration statement prior to the time it becomes
effective.

     The Registration Statement has been declared effective under the Securities
Act, and no post-effective amendment to the Registration Statement has been
filed as of the date of this Agreement. The Company has caused to be delivered
to you copies of each Preliminary Prospectus and has consented to the use of
such copies for the purposes permitted by the Securities Act.

     2. REPRESENTATIONS AND WARRANTIES OF THE COMPANY. The Company hereby
represents and warrants as follows:

     (a) Each of the Company and its subsidiaries (i) has been duly incorporated
and is validly existing as a corporation in good standing under the laws of the
jurisdiction of its incorporation, (ii) has full corporate power and authority
to own or lease its properties and conduct its business as described in the
Registration Statement and the Prospectus and as being conducted, and (iii) is
duly qualified as a foreign corporation and in good standing in all
jurisdictions in which the character of the property owned or leased or the
nature of the business transacted by it makes qualification necessary, except
where the failure to be so qualified would not have a material adverse effect on
the business, properties, financial condition or results of operations of the
Company and its subsidiaries, taken as a whole (herein called a Material Adverse
Effect).

     (b) Since the respective dates as of which information is given in the
Registration Statement and the Prospectus, there has not been any material
adverse change in the business, properties, financial condition or results of
operations of the Company and its subsidiaries, taken as a whole, whether or not
arising from transactions in the ordinary course of business, other than as set
forth in the Registration Statement and the Prospectus. Since such dates,
neither the Company nor any of its subsidiaries has entered into any material
transaction not referred to in the Registration Statement and the Prospectus,
except in the ordinary course of business.

     (c) The Registration Statement and the Prospectus comply, and on the
Closing Date (as hereinafter defined) and any later date on which Option Stock
is to be purchased, the Prospectus will comply, in all material respects, with
the provisions of the Securities Act and the Securities Exchange Act of 1934, as
amended (herein called the Exchange Act) and the rules and regulations of the
Commission thereunder. On the Effective Date the Registration Statement did not
contain any untrue statement of a material fact and did not omit to state any
material fact required to be stated therein or necessary in order to make the
statements therein not misleading. On the Effective Date the Prospectus did not,
and on the Closing Date and any later date on which Option Stock is to be
purchased the Prospectus will not, contain any untrue statement of a material
fact or omit to state any material fact necessary in order to make the
statements therein, in the light of the circumstances under which they were
made, not misleading. None of the






                                       2
<PAGE>   3


representations and warranties in this paragraph (c) shall apply to statements
in, or omissions from, the Registration Statement or the Prospectus made in
reliance upon and in conformity with information herein or otherwise furnished
in writing to the Company by or on behalf of the Underwriters for use in the
Registration Statement or the Prospectus.

     (d) The Stock will be, when issued and sold to the Underwriters as provided
herein, duly and validly issued, fully paid and nonassessable. The Stock
conforms in all material respects to the description thereof in the Prospectus.

     (e) The Stock is approved for quotation on the Nasdaq National Market,
subject to official notice of issuance.

     (f) As of the Closing Date: (i) the authorized capital stock of the Company
will consist of 5,000,000 shares of Preferred Stock, $.01 par value, none of
which will be outstanding, and 100,000,000 shares of Common Stock, of which
there will be ____ shares outstanding (including the Underwritten Stock plus the
number of shares of Option Stock issued on the Closing Date, but excluding any
shares of Common Stock issued upon the exercise of options after the date
hereof); (ii) proper corporate proceedings will have been taken validly to
authorize such authorized capital stock; (iii) all of the outstanding shares of
such capital stock (including the Underwritten Stock and the shares of Option
Stock, if any, issued on the Closing Date) will have been duly and validly
issued and will be fully paid and nonassessable; (iv) any Option Stock purchased
after the Closing Date, when issued and delivered to and paid for by the
Underwriters as provided in the Underwriting Agreement, will have been duly and
validly issued and will be fully paid and nonassessable; (v) no preemptive
rights of, or rights of refusal in favor of, stockholders will exist with
respect to the Stock, or the issue and sale thereof, pursuant to the Articles of
Organization or By-laws of the Company, except as will have been waived; and
(vi) there will be no contractual preemptive rights, rights of first refusal or
rights of co-sale that exist with respect to the issue and sale of the Stock,
except as will have been waived.

     (g) All the issued and outstanding capital stock of each of the
subsidiaries of the Company has been duly authorized and validly issued, is
fully paid and nonassessable, and is owned by the Company free and clear of all
liens, encumbrances and security interests. No options, warrants or other rights
to purchase, agreements or other obligations to issue, or other rights to
convert any obligations into shares of capital stock or ownership interests in
such subsidiaries are outstanding.

     (h) The Company and its subsidiaries own or possess valid licenses or other
rights to use all patents, patent rights, inventions, trade secrets, copyrights,
trademarks, service marks, trade names, technology and know-how (herein called
Intellectual Property) currently employed by them in connection with their
businesses as described in the Prospectus. Except as disclosed in the
Prospectus, the Company and the subsidiaries have not received any notice of
infringement or conflict with (and neither the Company nor any of its
subsidiaries knows of any infringement or conflict with) asserted rights of
others with respect to any Intellectual Property that is reasonably likely to
have a Material Adverse Effect. The discoveries, inventions, products or
processes of the Company and its subsidiaries referred to in the Prospectus do
not, to the Company's knowledge, infringe or conflict with any right or patent
of any third party that could have a Material Adverse Effect.

     (i) Except as to defaults that individually or in the aggregate would not
have a Material Adverse Effect, neither the Company nor any of its subsidiaries
is in violation of any provision of its charter or by-laws or is in breach of or
default with respect to any provision of any agreement, judgment, decree, order,
mortgage, deed of trust, lease, franchise, license, indenture, permit or other
instrument to which it is a party or by which it or any of its properties are
bound. There does not exist any state of facts that





                                       3
<PAGE>   4


constitutes an event of default on the part of the Company or such subsidiary as
defined in such documents or that, with notice or lapse of time or both, would
constitute such an event of default.

     (j) All of the products of the Company and its subsidiaries (including
products currently under development) will record, store, process, calculate and
present calendar dates falling on and after (and if applicable, spans of time
including) January 1, 2000, and will calculate any information dependent on or
relating to such dates in the same manner, and with the same functionality, data
integrity and performance, as the products record, store, process, calculate and
present calendar dates on or before December 31, 1999, or calculate any
information dependent on or relating to such dates (collectively, "Year 2000
Compliant"), except where the failure to record, store, process, calculate or
present such dates would not have a Material Adverse Effect. All of the products
of the Company and its subsidiaries (i) will lose no functionality with respect
to the introduction of records containing dates falling on or after January 1,
2000 and (ii) will be interoperable with other products used and distributed by
the Company that may deliver records to the Company's products or receive
records from the Company's products, or interact with the Company's products,
including back-up and archived data, except in each case where the loss of such
functionality or the lack of such interoperability would not have a Material
Adverse Effect. All of the Company's internal computer and technology systems
are Year 2000 Compliant, except where the failure to be so compliant would not
have a Material Adverse Effect.

     (k) The Company has not taken, nor will it take, directly or indirectly,
any action designed to or that might reasonably be expected to cause or result
in stabilization or manipulation of the price of the Common Stock to facilitate
the sale or resale of the Shares.

     (l) There is no litigation and there are no legal or governmental
proceedings pending or, to the knowledge of the Company, threatened against the
Company or any of its subsidiaries, or to which the Company or any of its
subsidiaries is a party, or to which any of their respective properties is
subject, that are required to be described in the Registration Statement or the
Prospectus but are not described as required.

     (m) There are no agreements, contracts, indentures, leases or other
instruments that are required to be described in the Registration Statement, the
Prospectus or the documents incorporated by reference therein, or to be filed as
an exhibit to the Registration Statement or such documents, that has not been
described or filed as required by the Securities Act or the Exchange Act.

     (n) Neither the issuance or sale of the Shares, the execution, delivery or
performance of this Agreement by the Company nor the consummation by the Company
of the transactions contemplated hereby: (i) requires any consent, approval,
authorization or other order of or registration or filing with, any court,
regulatory body, administrative agency or other governmental body, agency or
official (except such as may be required for the registration of the Shares
under the Securities Act and the Exchange Act and compliance with the securities
or blue sky laws of the various jurisdictions in which any of the Shares will be
sold, all of which have been or will be effected in accordance with this
Agreement) or conflicts or will conflict with or constitutes or will constitute
a breach of, or a default under, the charter or bylaws of the Company or any of
its subsidiaries; (ii) conflicts or will conflict with or constitutes or will
constitute a breach of, or a default under, any material obligation, agreement,
covenant or condition contained in any material bond, debenture, note or other
evidence of indebtedness, or in any material lease, contract, indenture,
mortgage, deed of trust, loan agreement, joint venture or other agreement or
instrument to which the Company or any of its subsidiaries is a party or by
which any of them or any of their respective properties may be bound; (iii)
result in a material violation of any statute, law, ordinance, administrative or
governmental rule or regulation or filing or judgment, injunction, order or
decree of any court or





                                       4
<PAGE>   5




governmental agency applicable to the Company or any of its subsidiaries or any
of their respective properties; or (iv) will result in the creation or
imposition of any material lien, charge or encumbrance upon any property or
assets of the Company or any of its subsidiaries pursuant to the terms of any
agreement or instrument to which any of them is a party or by which any of them
may be bound or to which any of their property or assets of any of them is
subject.

     (o) To the Company's knowledge, and by reason of their relationship with
the Company and its subsidiaries, the accountants, Deloitte & Touche LLP and
KPMG LLP, who have certified or shall certify the financial statements included
or incorporated by reference in the Registration Statement and the Prospectus
(or any amendment or supplement thereto) are independent public accountants as
required by the Securities Act.

     (p) The consolidated financial statements, together with related schedules
and notes, included or incorporated by reference in the Registration Statement
and the Prospectus (and any amendment or supplement thereto), present fairly, in
all material respects, the consolidated financial position, results of
operations, cash flows and stockholders' equity of the Company and its
subsidiaries on the basis stated in the Registration Statement at the respective
dates or for the respective periods to which they apply. Such consolidated
financial statements and related schedules and notes have been prepared in
accordance with generally accepted accounting principles consistently applied
throughout the periods involved, except as disclosed therein; and the other
financial and statistical information and data about the Company and its
subsidiaries included or incorporated by reference in the Registration Statement
and the Prospectus, including the information contained under the caption
"Capitalization" (and any amendment or supplement thereto), are accurately
presented and prepared on a basis consistent with such financial statements and
the books and records of the Company and its subsidiaries.

     (q) The Company has all necessary corporate power to execute and deliver,
and perform its obligations under, this Agreement. The execution and delivery
of, and the performance by the Company of its obligations under, this Agreement
have been duly and validly authorized by the Company, and this Agreement has
been duly executed and delivered by the Company and constitutes the valid and
legally binding agreement of the Company, enforceable against the Company in
accordance with its terms, except as rights to indemnity and contribution
hereunder may be limited by the Securities Act, the Exchange Act or state
securities laws.

     (r) Each of the Company and its subsidiaries has good and marketable title
to all property (real and personal) described in the Prospectus as being owned
by it that is material to the business of the Company and its subsidiaries taken
as a whole, free and clear of all liens, claims, security interests or other
encumbrances that would materially interfere with the conduct of the business of
the Company and its subsidiaries taken as a whole (except such as are described
in the Registration Statement and the Prospectus or in a document filed as an
exhibit to the Registration Statement). All the property described in the
Prospectus as being held under lease by each of the Company and its subsidiaries
is held by it under valid, subsisting and enforceable leases.

     (s) The Company has not distributed and, prior to the later to occur of (i)
the Closing Date and (ii) completion of the distribution of the Shares, will not
distribute any offering material in connection with the offering and sale of the
Shares other than the Registration Statement, a Preliminary Prospectus, the
Prospectus or other materials, if any, permitted by the Securities Act and state
securities laws.

     (t) Neither the Company nor any of its subsidiaries has failed to obtain
the permits, licenses, franchises, certificates and authorizations of
governmental or regulatory authorities (herein called the Permits) that are
necessary to own its respective properties and to conduct its business in the
manner described in the




                                       5
<PAGE>   6



Prospectus, (subject to such qualifications as may be set forth in the
Prospectus), which failure would have a Material Adverse Effect. The Company and
each of its subsidiaries has fulfilled and performed all its material
obligations with respect to the Permits and no event has occurred that allows,
or would allow, revocation or termination of any Permit or would result in any
other material impairment of the rights of the holder of any such Permit,
subject in each case to such qualification as may be set forth in the
Prospectus. Except as described in the Prospectus, none of the Permits contains
any restriction that is materially burdensome to the Company or any of its
subsidiaries.

     (u) The Company maintains a system of internal accounting controls
sufficient to provide reasonable assurances that (i) transactions are executed
in accordance with management's general or specific authorization; (ii)
transactions are recorded as necessary to permit preparation of financial
statements in conformity with generally accepted accounting principles and to
maintain accountability for assets; (iii) access to assets is permitted only in
accordance with management's general or specific authorization; and (iv) the
recorded accountability for assets is compared with existing assets at
reasonable intervals and appropriate action is taken with respect to any
differences.

     (v) To the Company's knowledge, neither the Company nor any of its
subsidiaries, nor any employee or agent of the Company or any subsidiary, has
made any payment of funds of the Company or any subsidiary or received or
retained any funds in violation of any law, rule or regulation, which payment,
receipt or retention of funds is of a character required to be disclosed in the
Prospectus.

     (w) The Company and each of its subsidiaries have filed all tax returns
required to be filed, which returns are complete and correct, and neither the
Company nor any subsidiary is in default in the payment of any taxes that were
payable pursuant to said returns or any assessments with respect thereto.

     (x) No holder of any security of the Company has any right to require
registration of shares of Common Stock or any other security of the Company
because of the filing of the Registration Statement or the consummation of the
transactions contemplated by this Agreement, except as have been waived.

     (y) Except as disclosed in the Registration Statement and the Prospectus,
no relationships, direct or indirect, exist between or among the Company and any
of its subsidiaries on the one hand and the directors, officers, stockholders,
customers or suppliers of the Company or any of its subsidiaries on the other
hand.

     3. PURCHASE OF THE STOCK BY THE UNDERWRITERS.

     (a) On the basis of the representations and warranties and subject to the
terms and conditions herein set forth, the Company agrees to issue and sell the
Underwritten Stock to the several Underwriters and each of the Underwriters
agrees to purchase from the Company the aggregate number of shares of
Underwritten Stock set forth opposite its name in Schedule I. The price at which
such shares of Underwritten Stock shall be sold by the Company and purchased by
the several Underwriters shall be $    per share. In making this Agreement, each
Underwriter is contracting severally and not jointly; except as provided in
paragraphs (b) and (c) of this Section 3, the agreement of each Underwriter is
to purchase only the number of shares of the Underwritten Stock set forth
opposite its name in Schedule I.

     (b) If for any reason one or more of the Underwriters shall fail or refuse
(otherwise than for a reason sufficient to justify the termination of this
Agreement under the provisions of Section 8 or 9 hereof) to purchase and pay for
the number of shares of the Stock agreed to be purchased by such Underwriter or
Underwriters, the Company shall immediately give notice thereof to you, and the
non-defaulting Underwriters shall have the right within 24 hours after the
receipt by you of such notice to purchase, or




                                       6
<PAGE>   7


procure one or more other Underwriters to purchase, in such proportions as may
be agreed upon between you and such purchasing Underwriter or Underwriters and
upon the terms herein set forth, all or any part of the shares of the Stock that
such defaulting Underwriter or Underwriters agreed to purchase. If the
non-defaulting Underwriters fail so to make such arrangements with respect to
all such shares and portion, the number of shares of the Stock that each
non-defaulting Underwriter is otherwise obligated to purchase under this
Agreement shall be automatically increased on a pro rata basis to absorb the
remaining shares and portion that the defaulting Underwriter or Underwriters
agreed to purchase; provided, however, that the non-defaulting Underwriters
shall not be obligated to purchase the shares and portion that the defaulting
Underwriter or Underwriters agreed to purchase if the aggregate number of such
shares of the Stock exceeds 10% of the total number of shares of the Stock that
all Underwriters agreed to purchase hereunder. If the total number of shares of
the Stock that the defaulting Underwriter or Underwriters agreed to purchase
shall not be purchased or absorbed in accordance with the two preceding
sentences, the Company shall have the right, within 24 hours next succeeding the
24-hour period above referred to, to make arrangements with other underwriters
or purchasers satisfactory to you for purchase of such shares and portion on the
terms herein set forth. In any such case, either you or the Company shall have
the right to postpone the Closing Date determined as provided in Section 5
hereof for not more than seven business days after the date originally fixed as
the Closing Date pursuant to said Section 5 in order that any necessary changes
in the Registration Statement, the Prospectus or any other documents or
arrangements may be made. If neither the non-defaulting Underwriters nor the
Company shall make arrangements within the 24-hour periods stated above for the
purchase of all the shares of the Stock that the defaulting Underwriter or
Underwriters agreed to purchase hereunder, this Agreement shall be terminated
without further act or deed and without any liability on the part of the Company
to any non-defaulting Underwriter and without any liability on the part of any
non-defaulting Underwriter to the Company. Nothing in this paragraph (b), and no
action taken hereunder, shall relieve any defaulting Underwriter from liability
in respect of any default of such Underwriter under this Agreement.

     (c) On the basis of the representations, warranties and covenants herein
contained, and subject to the terms and conditions herein set forth, the Company
grants an option to the several Underwriters to purchase, severally and not
jointly, up to 600,000 shares in the aggregate of the Option Stock from the
Company at the same price per share as the Underwriters shall pay for the
Underwritten Stock. Said option may be exercised only to cover over-allotments
in the sale of the Underwritten Stock by the Underwriters and may be exercised
in whole or in part at any time (but not more than once) on or before the
thirtieth day after the date of this Agreement upon written or telegraphic
notice by you to the Company setting forth the aggregate number of shares of the
Option Stock as to which the several Underwriters are exercising the option.
Delivery of certificates for the shares of Option Stock, and payment therefor,
shall be made as provided in Section 5 hereof. The number of shares of the
Option Stock to be purchased by each Underwriter shall be the same percentage of
the total number of shares of the Option Stock to be purchased by the several
Underwriters as such Underwriter is purchasing of the Underwritten Stock, as
adjusted by you in such manner as you deem advisable to avoid fractional shares.

     4.  OFFERING BY UNDERWRITERS.

     (a) The terms of the initial public offering by the Underwriters of the
Stock to be purchased by them shall be as set forth in the Prospectus. Without
limiting the foregoing, the Underwriters are not party to any agreement or
understanding under which they would sell the Stock in the initial public
offering at a price greater than the public offering price set forth on the
front page of the Prospectus. The Underwriters may from time to time change the
public offering price after the closing of the initial public offering and
increase or decrease the concessions and discounts to dealers as they may
determine. The Underwriters have not taken nor will they take, directly or
indirectly, any action designed to or that might reasonably




                                       7
<PAGE>   8

be expected to cause or result in stabilization or manipulation of the price of
the Common Stock to facilitate the sale or resale of the Shares, except for such
stabilization and similar activities as are permitted by law.

     (b) The information set forth in the last paragraph on the front cover page
and under "Underwriting" in the Registration Statement, any Preliminary
Prospectus and the Prospectus relating to the Stock filed by the Company
(insofar as such information relates to the Underwriters) constitutes the only
information furnished by the Underwriters to the Company for inclusion in the
Registration Statement, any Preliminary Prospectus, and the Prospectus, and you
on behalf of the respective Underwriters represent and warrant to the Company
that the statements made therein are correct.

     5. DELIVERY OF AND PAYMENT FOR THE STOCK.

     (a) Delivery of certificates for the shares of the Underwritten Stock and
the Option Stock (if the option granted by Section 3(c) hereof shall have been
exercised not later than 10 A.M., Eastern Daylight Savings time, on the date two
business days preceding the Closing Date), and payment therefor, shall be made
at the office of Ropes & Gray, One International Place, Boston, Massachusetts,
at 10 A.M., Eastern Daylight Savings time, on the fourth business day after the
date of this Agreement, or at such time on such other day, not later than seven
full business days after such fourth business day, as shall be agreed upon in
writing by the Company and you. The date and hour of such delivery and payment
(which may be postponed as provided in Section 3(b) hereof) are herein called
the Closing Date.

     (b) If the option granted by Section 3(c) hereof shall be exercised after
10 A.M., Eastern Daylight Savings time, on the date two business days preceding
the Closing Date, delivery of certificates for the shares of Option Stock, and
payment therefor, shall be made at the office of Ropes & Gray, One International
Place, Boston, Massachusetts, at 10 A.M., Eastern Daylight Savings time, on the
third business day after the exercise of such option.

     (c) Payment for the Stock shall be made to the Company or its order by one
or more certified or official bank check or checks in same-day funds or by wire
transfer of Federal (same-day) funds. Such payment shall be made upon delivery
of certificates for the Stock to you for the respective accounts of the several
Underwriters against receipt therefor signed by you. Certificates for the Stock
to be delivered to you shall be registered in such name or names and shall be in
such denominations as you may request at least one business day before the
Closing Date, in the case of Underwritten Stock, and at least one business day
prior to the purchase thereof, in the case of the Option Stock. Such
certificates will be made available to the Underwriters for inspection, checking
and packaging at the offices of Lewco Securities Corporation, 2 Broadway, New
York, New York 10004 on the business day prior to the Closing Date or, in the
case of the Option Stock, by 3 P.M., Eastern Daylight Savings time, on the
business day preceding the date of purchase.

     It is understood that you, individually and not on behalf of the
Underwriters, may (but shall not be obligated to) make payment to the Company
for shares to be purchased by any Underwriter whose check shall not have been
received by you on the Closing Date or any later date on which Option Stock is
purchased for the account of such Underwriter. Any such payment by you shall not
relieve such Underwriter from any of its obligations hereunder.

     6. FURTHER AGREEMENTS OF THE COMPANY. The Company covenants and agrees as
follows:

     (a) The Company will (i) prepare and timely file with the Commission under
Rule 424(b) a Prospectus containing information previously omitted at the time
of effectiveness of the Registration Statement in reliance on Rule 430A and (ii)
not file any amendment to the Registration Statement or supplement to the







                                       8
<PAGE>   9

Prospectus of which you shall not previously have been advised and furnished
with a copy or to which you shall have reasonably objected in writing or which
is not in compliance with the Securities Act or the rules and regulations of the
Commission.

     (b) The Company will promptly notify each Underwriter in the event of (i)
the request by the Commission for amendment of the Registration Statement or for
supplement to the Prospectus or for any additional information, (ii) the
issuance by the Commission of any stop order suspending the effectiveness of the
Registration Statement, (iii) the institution or notice of intended institution
of any action or proceeding for that purpose, (iv) the receipt by the Company of
any notification with respect to the suspension of the qualification of the
Stock for sale in any jurisdiction, or (v) the receipt by it of notice of the
initiation or threatening of any proceeding for such purpose. The Company will
make every reasonable effort to prevent the issuance of such a stop order and,
if such an order shall at any time be issued, to obtain the withdrawal thereof
at the earliest possible moment.

     (c) The Company will (i) on or before the Closing Date, deliver to you a
signed copy of the Registration Statement as originally filed and of each
amendment thereto filed prior to the time the Registration Statement becomes
effective and, promptly upon the filing thereof, a signed copy of each
post-effective amendment, if any, to the Registration Statement (together with,
in each case, all exhibits thereto unless previously furnished to you) and will
also deliver to you, for distribution to the Underwriters, a sufficient number
of additional conformed copies of each of the foregoing (but without exhibits)
so that one copy of each may be distributed to each Underwriter, (ii) as
promptly as possible deliver to you and send to the several Underwriters, at
such office or offices as you may designate, as many copies of the Prospectus as
you may reasonably request, and (iii) thereafter from time to time during the
period in which a prospectus is required by law to be delivered by an
Underwriter or dealer, likewise send to the Underwriters as many additional
copies of the Prospectus and as many copies of any supplement to the Prospectus
and of any amended prospectus, filed by the Company with the Commission, as you
may reasonably request for the purposes contemplated by the Securities Act.

     (d) If at any time during the period in which a prospectus is required by
law to be delivered by an Underwriter or dealer any event relating to or
affecting the Company, or of which the Company shall be advised in writing by
you, shall occur as a result of which it is necessary, in the opinion of counsel
for the Company or of counsel for the Underwriters, to supplement or amend the
Prospectus in order to make the Prospectus not misleading in the light of the
circumstances existing at the time it is delivered to a purchaser of the Stock,
the Company will forthwith prepare and file with the Commission a supplement to
the Prospectus or an amended prospectus so that the Prospectus as so
supplemented or amended will not contain any untrue statement of a material fact
or omit to state any material fact necessary in order to make the statements
therein, in the light of the circumstances existing at the time such Prospectus
is delivered to such purchaser, not misleading. If, after the initial public
offering of the Stock by the Underwriters and during such period, the
Underwriters shall propose to vary the terms of offering thereof by reason of
changes in general market conditions or otherwise, you will advise the Company
in writing of the proposed variation, and, if in the opinion either of counsel
for the Company or of counsel for the Underwriters such proposed variation
requires that the Prospectus be supplemented or amended, the Company will
forthwith prepare and file with the Commission a supplement to the Prospectus or
an amended prospectus setting forth such variation. The Company authorizes the
Underwriters and all dealers to whom any of the Stock may be sold by the several
Underwriters to use the Prospectus, as from time to time amended or
supplemented, in connection with the sale of the Stock in accordance with the
applicable provisions of the Securities Act and the applicable rules and
regulations thereunder for such period.



                                       9
<PAGE>   10


     (e) Prior to the filing thereof with the Commission, the Company will
submit to you, for your information, a copy of any post-effective amendment to
the Registration Statement and any supplement to the Prospectus or any amended
prospectus proposed to be filed.

     (f) The Company will cooperate, when and as requested by you, in the
qualification of the Stock for offer and sale under the securities or blue sky
laws of such jurisdictions as you may designate and, during the period in which
a prospectus is required by law to be delivered by an Underwriter or dealer, in
keeping such qualifications in good standing under said securities or blue sky
laws; provided, however, that the Company shall not be obligated to file any
general consent to service of process or to qualify as a foreign corporation in
any jurisdiction in which it is not so qualified. The Company will, from time to
time, prepare and file such statements, reports, and other documents as are or
may be required to continue such qualifications in effect for so long a period
as you may reasonably request for distribution of the Stock.

     (g) During a period of five years commencing with the date hereof, the
Company will furnish to you, and to each Underwriter who may so request in
writing, copies of all periodic and special reports furnished to stockholders of
the Company and of all information, documents and reports filed with the
Commission.

     (h) Not later than the forty-fifth day following the end of the fiscal
quarter first occurring after the first anniversary of the Effective Date, the
Company will make generally available to its stockholders an earnings statement
in accordance with Section 11(a) of the Securities Act and Rule 158 thereunder.

     (i) The Company agrees to pay all costs and expenses incident to the
performance of its obligations under this Agreement, including all costs and
expenses incident to (i) the preparation, printing and filing with the
Commission and the National Association of Securities Dealers, Inc. (herein
called the NASD) of the Registration Statement, any Preliminary Prospectus and
the Prospectus, (ii) the furnishing to the Underwriters of copies of any
Preliminary Prospectus and of the several documents required by paragraph (c) of
this Section 6 to be so furnished, (iii) the printing of this Agreement and
related documents delivered to the Underwriters, (iv) the preparation, printing
and filing of all supplements and amendments to the Prospectus referred to in
paragraph (d) of this Section 6, (v) the furnishing to you and the Underwriters
of the reports and information referred to in paragraph (g) of this Section 6
and (vi) the printing and issuance of stock certificates, including the transfer
agent's fees.

     (j) The Company agrees to reimburse you, for the account of the several
Underwriters, for blue sky fees and related disbursements (including counsel
fees and disbursements and costs of printing memoranda for the Underwriters)
paid by or for the account of the Underwriters or their counsel in qualifying
the Stock under state securities or blue sky laws and in the review of the
offering by the NASD.

     (k) The Company hereby agrees that, without the prior written consent of
Hambrecht & Quist LLC, the Company will not, for a period of 90 days following
the date of the Prospectus, directly or indirectly, (i) sell, offer, contract to
sell, make any short sale, pledge, sell any option or contract to purchase,
purchase any option or contract to sell, grant any option, right or warrant to
purchase or otherwise transfer or dispose of any shares of Common Stock or any
securities convertible into or exchangeable or exercisable for or any rights to
purchase or acquire Common Stock or (ii) enter into any swap or other agreement
that transfers, in whole or in part, any of the economic consequences or
ownership of Common Stock, whether any such transaction described in clause (i)
or (ii) above is to be settled by delivery of Common Stock or such other
securities, in cash or otherwise. The foregoing sentence shall not apply to (A)
the Stock to be sold to the Underwriters pursuant to this Agreement, (B) shares
of Common Stock issued by the Company pursuant to the Company's 1999 Outside
Directors' Compensation Plan, (C) shares of Common Stock issued by the Company
upon the exercise of options granted under the stock option plans and agreements
of the Company (herein called the Option Plans) or upon the exercise of
warrants outstanding as of the date hereof



                                       10
<PAGE>   11


(including warrants originally issued by Autonomous Technologies Corporation),
all as described in the Prospectus, and (D) options to purchase Common Stock
granted under the Option Plans.

      7. INDEMNIFICATION AND CONTRIBUTION.

     (a) The Company agrees to indemnify and hold harmless each Underwriter and
each person (including each partner or officer thereof) who controls any
Underwriter within the meaning of Section 15 of the Securities Act from and
against any and all losses, claims, damages or liabilities, joint or several, to
which such indemnified parties or any of them may become subject under the
Securities Act, the Exchange Act, or the common law or otherwise, and the
Company agrees to reimburse each such Underwriter and controlling person for any
legal or other expenses (including, except as otherwise hereinafter provided,
reasonable fees and disbursements of counsel) incurred by the respective
indemnified parties in connection with defending against any such losses,
claims, damages or liabilities or in connection with any investigation or
inquiry of, or other proceeding that may be brought against, the respective
indemnified parties, in each case arising out of or based upon (i) any untrue
statement or alleged untrue statement of a material fact contained in the
Registration Statement (including the Prospectus as part thereof and any Rule
462(b) registration statement) or any post-effective amendment thereto
(including any Rule 462(b) registration statement), or the omission or alleged
omission to state therein a material fact required to be stated therein or
necessary to make the statements therein not misleading, or (ii) any untrue
statement or alleged untrue statement of a material fact contained in any
Preliminary Prospectus or the Prospectus (as amended or as supplemented if the
Company shall have filed with the Commission any amendment thereof or supplement
thereto) or the omission or alleged omission to state therein a material fact
necessary in order to make the statements therein, in the light of the
circumstances under which they were made, not misleading; provided, however,
that (1) the indemnity agreements of the Company contained in this paragraph (a)
shall not apply to any such losses, claims, damages, liabilities or expenses if
such statement or omission was made in reliance upon and in conformity with
information furnished as herein stated or otherwise furnished in writing to the
Company by or on behalf of any Underwriter for use in any Preliminary Prospectus
or the Registration Statement or the Prospectus or any such amendment thereof or
supplement thereto and (2) the indemnity agreement contained in this paragraph
(a) with respect to any Preliminary Prospectus shall not inure to the benefit of
any Underwriter from whom the person asserting any such losses, claims, damages,
liabilities or expenses purchased the Stock that is the subject thereof (or to
the benefit of any person controlling such Underwriter) if at or prior to the
written confirmation of the sale of such Stock a copy of the Prospectus (or the
Prospectus as amended or supplemented) was not sent or delivered to such person
(excluding the documents incorporated therein by reference) and the untrue
statement or omission of a material fact contained in such Preliminary
Prospectus was corrected in the Prospectus (or the Prospectus as amended or
supplemented) unless the failure is the result of noncompliance by the Company
with paragraph (c) of Section 6 hereof. The indemnity agreement of the Company
contained in this paragraph (a) and the representations and warranties of the
Company contained in Section 2 hereof shall remain operative and in full force
and effect regardless of any investigation made by or on behalf of any
indemnified party and shall survive the delivery of and payment for the Stock.

     (b) Each Underwriter severally agrees to indemnify and hold harmless the
Company, each of its officers who signs the Registration Statement on his own
behalf or pursuant to a power of attorney, each of its directors, each other
Underwriter and each person (including each partner or officer thereof) who
controls the Company or any such other Underwriter within the meaning of Section
15 of the Securities Act from and against any and all losses, claims, damages or
liabilities, joint or several, to which such indemnified parties or any of them
may become subject under the Securities Act, the Exchange Act, or the common law
or otherwise and to reimburse each of them for any legal or other expenses
(including, except as otherwise hereinafter provided, reasonable fees and
disbursements of counsel) incurred by the respective indemnified parties in
connection with defending against any such losses, claims, damages or
liabilities or





                                       11
<PAGE>   12


in connection with any investigation or inquiry of, or other proceeding that may
be brought against, the respective indemnified parties, in each case arising out
of or based upon (i) any untrue statement or alleged untrue statement of a
material fact contained in the Registration Statement (including the Prospectus
as part thereof and any Rule 462(b) registration statement) or any
post-effective amendment thereto (including any Rule 462(b) registration
statement) or the omission or alleged omission to state therein a material fact
required to be stated therein or necessary to make the statements therein not
misleading or (ii) any untrue statement or alleged untrue statement of a
material fact contained in the Prospectus (as amended or as supplemented if the
Company shall have filed with the Commission any amendment thereof or supplement
thereto) or the omission or alleged omission to state therein a material fact
necessary in order to make the statements therein, in the light of the
circumstances under which they were made, not misleading, if such statement or
omission was made in reliance upon and in conformity with information furnished
as herein stated or otherwise furnished in writing to the Company by or on
behalf of such indemnifying Underwriter for use in the Registration Statement or
the Prospectus or any such amendment thereof or supplement thereto. The
indemnity agreement of each Underwriter contained in this paragraph (b) shall
remain operative and in full force and effect regardless of any investigation
made by or on behalf of any indemnified party and shall survive the delivery of
and payment for the Stock.

     (c) Each party indemnified under the provision of paragraphs (a) and (b) of
this Section 7 agrees that, upon the service of a summons or other initial legal
process upon it in any action or suit instituted against it or upon its receipt
of written notification of the commencement of any investigation or inquiry of,
or proceeding against, it in respect of which indemnity may be sought on account
of any indemnity agreement contained in such paragraphs, it will promptly give
written notice (herein called the Notice) of such service or notification to the
party or parties from whom indemnification may be sought hereunder. No
indemnification provided for in such paragraphs shall be available to any party
who shall fail so to give the Notice if the party to whom such Notice was not
given was unaware of the action, suit, investigation, inquiry or proceeding to
which the Notice would have related and was prejudiced by the failure to give
the Notice, but the omission so to notify such indemnifying party or parties of
any such service or notification shall not relieve such indemnifying party or
parties from any liability that it or they may have to the indemnified party for
contribution or otherwise than on account of such indemnity agreement. Any
indemnifying party shall be entitled at its own expense to participate in the
defense of any action, suit or proceeding against, or investigation or inquiry
of, an indemnified party. Any indemnifying party shall be entitled, if it so
elects within a reasonable time after receipt of the Notice by giving written
notice (herein called the Notice of Defense) to the indemnified party, to assume
(alone or in conjunction with any other indemnifying party or parties) the
entire defense of such action, suit, investigation, inquiry or proceeding, in
which event such defense shall be conducted, at the expense of the indemnifying
party or parties, by counsel chosen by such indemnifying party or parties and
reasonably satisfactory to the indemnified party or parties; provided, however,
that (i) if the indemnified party or parties reasonably determine that there may
be a conflict between the positions of the indemnifying party or parties and of
the indemnified party or parties in conducting the defense of such action, suit,
investigation, inquiry or proceeding or that there may be legal defenses
available to such indemnified party or parties different from or in addition to
those available to the indemnifying party or parties, then counsel for the
indemnified party or parties shall be entitled to conduct the defense to the
extent reasonably determined by such counsel to be necessary to protect the
interests of the indemnified party or parties and (ii) in any event, the
indemnified party or parties shall be entitled to have counsel chosen by such
indemnified party or parties participate in, but not conduct, the defense. If,
within a reasonable time after receipt of the Notice, an indemnifying party
gives a Notice of Defense and the counsel chosen by the indemnifying party or
parties is reasonably satisfactory to the indemnified party or parties, the
indemnifying party or parties will not be liable under paragraphs (a) through
(c) of this Section 7 for any legal or other expenses subsequently incurred by
the indemnified party or parties in connection with the defense of the action,
suit, investigation, inquiry or proceeding, except that (A) the indemnifying
party or parties shall bear the legal and other expenses incurred in connection





                                       12
<PAGE>   13


with the conduct of the defense as referred to in clause (i) of the proviso to
the preceding sentence and (B) the indemnifying party or parties shall bear such
other expenses as it or they have authorized to be incurred by the indemnified
party or parties. If, within a reasonable time after receipt of the Notice, no
Notice of Defense has been given, the indemnifying party or parties shall be
responsible for any legal or other expenses incurred by the indemnified party or
parties in connection with the defense of the action, suit, investigation,
inquiry or proceeding.

     (d) If the indemnification provided for in this Section 7 is unavailable or
insufficient to hold harmless an indemnified party under paragraph (a) or (b) of
this Section 7, then each indemnifying party, in lieu of indemnifying such
indemnified party, shall contribute to the amount paid or payable by such
indemnified party as a result of the losses, claims, damages or liabilities
referred to in paragraph (a) or (b) of this Section 7 (i) in such proportion as
is appropriate to reflect the relative benefits received by each indemnifying
party from the offering of the Stock or (ii) if the allocation provided by
clause (i) above is not permitted by applicable law, in such proportion as is
appropriate to reflect not only the relative benefits referred to in clause (i)
above but also the relative fault of each indemnifying party in connection with
the statements or omissions that resulted in such losses, claims, damages or
liabilities, or actions in respect thereof, as well as any other relevant
equitable considerations. The relative benefits received by the Company on the
one hand and the Underwriters on the other shall be deemed to be in the same
respective proportions as the total net proceeds from the offering of the Stock
received by the Company and the total underwriting discount received by the
Underwriters, as set forth in the table on the cover page of the Prospectus,
bear to the aggregate public offering price of the Stock. Relative fault shall
be determined by reference to, among other things, whether the untrue or alleged
untrue statement of a material fact or the omission or alleged omission to state
a material fact relates to information supplied by each indemnifying party and
the parties' relative intent, knowledge, access to information and opportunity
to correct or prevent such untrue statement or omission.

     The parties agree that it would not be just and equitable if contributions
pursuant to this paragraph (d) were to be determined by pro rata allocation
(even if the Underwriters were treated as one entity for such purpose) or by any
other method of allocation that does not take into account the equitable
considerations referred to in the first sentence of this paragraph (d). The
amount paid by an indemnified party as a result of the losses, claims, damages
or liabilities, or actions in respect thereof, referred to in the first sentence
of this paragraph (d) shall be deemed to include any legal or other expenses
reasonably incurred by such indemnified party in connection with investigation,
preparing to defend or defending against any action or claim that is the subject
of this paragraph (d). Notwithstanding the provisions of this paragraph (d), no
Underwriter shall be required to contribute any amount in excess of the
underwriting discount applicable to the Stock purchased by such Underwriter. No
person guilty of fraudulent misrepresentation (within the meaning of Section
11(f) of the Securities Act) shall be entitled to contribution from any person
who was not guilty of such fraudulent misrepresentation. The Underwriters'
obligations in this paragraph (d) to contribute are several in proportion to
their respective underwriting obligations and not joint.

     Each party entitled to contribution agrees that upon the service of a
summons or other initial legal process upon it in any action instituted against
it in respect of which contribution may be sought, it will promptly give written
notice of such service to the party or parties from whom contribution may be
sought, but the omission so to notify such party or parties of any such service
shall not relieve the party from whom contribution may be sought from any
obligation it may have hereunder or otherwise (except as specifically provided
in paragraph (c) of this Section 7).

     (e) The Company will not, without the prior written consent of each
Underwriter, settle, compromise or consent to the entry of any judgment in any
pending or threatened claim, action, suit or proceeding in respect of which
indemnification may be sought hereunder (whether or not such Underwriter or any
person





                                       13
<PAGE>   14



who controls such Underwriter within the meaning of Section 15 of the Securities
Act or Section 20 of the Exchange Act is a party to such claim, action, suit or
proceeding) unless such settlement, compromise or consent includes an
unconditional release of such Underwriter and each such controlling person from
all liability arising out of such claim, action, suit or proceeding.

     8. TERMINATION. This Agreement may be terminated by you at any time prior
to the Closing Date by giving written notice to the Company if after the date of
this Agreement trading in the Common Stock shall have been suspended, or if
there shall have occurred (a) the engagement in hostilities or an escalation of
major hostilities by the United States or the declaration of war or a national
emergency by the United States on or after the date hereof, (b) any outbreak of
hostilities or other national or international calamity or crisis or change in
economic or political conditions if the effect of such outbreak, calamity,
crisis or change in economic or political conditions in the financial markets of
the United States would, in the Underwriters' reasonable judgment, make the
offering or delivery of the Stock impracticable, (c) suspension of trading in
securities generally or a material adverse decline in value of securities
generally on the New York Stock Exchange, the American Stock Exchange, or the
Nasdaq Stock Market, or limitations on prices (other than limitations on hours
or numbers of days of trading) for securities on either such exchange or system,
(d) the enactment, publication, decree or other promulgation of any federal or
state statute, regulation, rule or order of, or commencement of any proceeding
or investigation by, any court, legislative body, agency or other governmental
authority that in the Underwriters' reasonable opinion materially adversely
affects or will materially adversely affect the business or operations of the
Company, (e) declaration of a banking moratorium by either federal or New York
State authorities or (f) the taking of any action by any federal, state or local
government or agency in respect of its monetary or fiscal affairs that in the
Underwriters' reasonable opinion has a material adverse effect on the securities
markets in the United States. If this Agreement shall be terminated pursuant to
this Section 8, there shall be no liability of the Company to the Underwriters
and no liability of the Underwriters to the Company; provided, however, that in
the event of any such termination the Company agrees to indemnify and hold
harmless the Underwriters from all costs or expenses incident to the performance
of the obligations of the Company under this Agreement, including all costs and
expenses referred to in paragraphs (i) and (j) of Section 6 hereof.

     9. CONDITIONS OF UNDERWRITERS' OBLIGATIONS. The obligations of the several
Underwriters to purchase and pay for the Stock shall be subject to the
performance by the Company of all its obligations to be performed hereunder at
or prior to the Closing Date or any later date on which Option Stock is to be
purchased, as the case may be, and to the following further conditions:

     (a) The Registration Statement shall have become effective; and no stop
order suspending the effectiveness thereof shall have been issued and no
proceedings therefor shall be pending or threatened by the Commission.

     (b) The legality and sufficiency of the sale of the Stock hereunder and the
validity and form of the certificates representing the Stock, all corporate
proceedings and other legal matters incident to the foregoing, and the form of
the Registration Statement and of the Prospectus (except as to the financial
statements contained therein), shall have been approved at or prior to the
Closing Date by Foley, Hoag & Eliot LLP, counsel for the Underwriters.

     (c) You shall have received from Ropes & Gray, counsel for the Company, an
opinion, addressed to the Underwriters and dated the Closing Date, covering the
matters set forth in Annex A hereto, and if Option Stock is purchased at any
date after the Closing Date, an additional opinion from such counsel, addressed
to the Underwriters and dated such later date, confirming that the statements
expressed as of the Closing Date in such opinion remain valid as of such later
date.




                                       14
<PAGE>   15


     (d) You shall have received from Homer, Bonner and Delgado P.A., counsel
for Lens Express, Inc., an opinion, addressed to the Underwriters and dated the
Closing Date, covering the matters set forth in Annex B hereto, and if Option
Stock is purchased at any date after the Closing Date, an additional opinion
from such counsel, addressed to the Underwriters and dated such later date,
confirming that the statements expressed as of the Closing Date in such opinion
remain valid as of such later date.

     (e) You shall have received from patent counsel for the Company an opinion,
addressed to the Underwriters and dated the Closing Date, covering the matters
set forth in Annex C hereto, and if Option Stock is purchased at any date after
the Closing Date, an additional opinion from such counsel, addressed to the
Underwriters and dated such later date, confirming that the statements expressed
as of the Closing Date in such opinion remain valid as of such later date.

     (f) You shall have received from Hogan & Hartson, Federal Food and Drug
Administration counsel for the Company, an opinion, addressed to the
Underwriters and dated the Closing Date, covering the matters set forth in Annex
D hereto, and if Option Stock is purchased at any date after the Closing Date,
an additional opinion from such counsel, addressed to the Underwriters and dated
such later date, confirming that the statements expressed as of the Closing Date
in such opinion remain valid as of such later date.

     (g) You shall be satisfied that: (i) as of the Effective Date, the
statements made in the Registration Statement and the Prospectus were true and
correct and neither the Registration Statement nor the Prospectus omitted to
state any material fact required to be stated therein or necessary in order to
make the statements therein, respectively, not misleading; (ii) since the
Effective Date, no event has occurred that should have been set forth in a
supplement or amendment to the Prospectus which has not been set forth in such a
supplement or amendment; (iii) since the respective dates as of which
information is given in the Registration Statement in the form in which it
originally became effective and the Prospectus contained therein, there has not
been any material adverse change or any development that was reasonably likely
to result in a material adverse change in or affecting the business, properties,
financial condition or results of operations of the Company and its
subsidiaries, taken as a whole, whether or not arising from transactions in the
ordinary course of business, and, since such dates, except in the ordinary
course of business, neither the Company nor any of its subsidiaries has entered
into any material transaction not referred to in the Registration Statement in
the form in which it originally became effective and the Prospectus contained
therein; (iv) neither the Company nor any of its subsidiaries has any material
contingent obligations that are not disclosed in the Registration Statement and
the Prospectus; (v) there are not any pending or known threatened legal
proceedings to which the Company or any of its subsidiaries is a party or of
which property of the Company or any of its subsidiaries is the subject that are
material and that are not disclosed in the Registration Statement and the
Prospectus; (vi) there are not any franchises, contracts, leases or other
documents that are required to be filed as exhibits to the Registration
Statement that have not been filed as required; and (vii) the representations
and warranties of the Company herein are true and correct in all material
respects as of the Closing Date or any later date on which Option Stock is to be
purchased, as the case may be.

     (h) You shall have received on the Closing Date and on any later date on
which Option Stock is purchased a certificate, dated the Closing Date or such
later date, as the case may be, and signed by the Chief Executive Officer and
the Executive Vice President, Chief Financial Officer and Treasurer of the
Company, stating that the respective signers of said certificate have carefully
examined the Registration Statement in the form in which it originally became
effective and the Prospectus contained therein and any supplements or amendments
thereto, and that the statements included in clauses (i) through (vii) of
paragraph (g) of this Section 9 are true and correct.





                                       15
<PAGE>   16


     (i) You shall have received from Deloitte & Touche LLP, a letter or
letters, addressed to the Underwriters and dated the Closing Date and any later
date on which Option Stock is purchased, confirming that they are independent
public accountants with respect to the Company within the meaning of the
Securities Act and the applicable published rules and regulations thereunder and
based upon the procedures described in their letter delivered to you
concurrently with the execution of this Agreement (herein called the Original
Letter), but carried out to a date not more than three business days prior to
the Closing Date or such later date on which Option Stock is purchased (i)
confirming, to the extent true, that the statements and conclusions set forth in
the Original Letter are accurate as of the Closing Date or such later date, as
the case may be, and (ii) setting forth any revisions and additions to the
statements and conclusions set forth in the Original Letter that are necessary
to reflect any changes in the facts described in the Original Letter since the
date of the Original Letter or to reflect the availability of more recent
financial statements, data or information. The letters shall not disclose any
change, or any development involving a prospective change, in or affecting the
business or properties of the Company or any of its subsidiaries that, in your
sole judgment, makes it impractical or inadvisable to proceed with the public
offering of the Stock or the purchase of the Option Stock as contemplated by the
Prospectus.

     (j) On or prior to the Closing Date, you shall have received from all
directors, officers and CIBA Vision Corporation agreements, in form reasonably
satisfactory to Hambrecht & Quist LLC, stating that without the prior written
consent of Hambrecht & Quist LLC, such person or entity will not, for a period
of 90 days following the date of the Prospectus, directly or indirectly, (i)
sell, offer, contract to sell, make any short sale, pledge, sell any option or
contract to purchase, purchase any option or contract to sell, grant any option,
right or warrant to purchase or otherwise transfer or dispose of any shares of
Common Stock or any securities convertible into or exchangeable or exercisable
for or any rights to purchase or acquire Common Stock or (ii) enter into any
swap or other agreement that transfers, in whole or in part, any of the economic
consequences or ownership of Common Stock, whether any such transaction
described in clause (i) or (ii) above is to be settled by delivery of Common
Stock or such other securities, in cash or otherwise. The agreements of the
directors and officers shall be subject to the terms of the letter dated July
19, 1999 from Hambrecht & Quist LLC, as lead representative of the Underwriters,
to the Company.

     All the agreements, opinions, certificates and letters mentioned above or
elsewhere in this Agreement shall be deemed to be in compliance with the
provisions hereof only if Foley, Hoag & Eliot LLP, counsel for the Underwriters,
shall be satisfied that they comply in form and scope.

     In case any of the conditions specified in this Section 9 shall not be
fulfilled, this Agreement may be terminated by you by giving notice to the
Company. Any such termination shall be without liability of the Company to the
Underwriters and without liability of the Underwriters to the Company; provided,
however, that (i) in the event of such termination, the Company agrees to
indemnify and hold harmless the Underwriters from all costs or expenses incident
to the performance of the obligations of the Company under this Agreement,
including all costs and expenses referred to in paragraphs (i) and (j) of
Section 6 hereof, and (ii) if this Agreement is terminated by you because of any
refusal, inability or failure on the part of the Company to perform any
agreement herein, to fulfill any of the conditions herein, or to comply with any
provision hereof other than by reason of a default by any of the Underwriters,
the Company will reimburse the Underwriters severally upon demand for all
out-of-pocket expenses (including reasonable fees and disbursements of counsel)
that shall have been incurred by them in connection with the transactions
contemplated hereby.

     10. CONDITIONS OF THE OBLIGATION OF THE COMPANY. The obligation of the
Company to deliver the Stock shall be subject to the conditions that (a) the
Registration Statement shall have become effective and (b) no stop order
suspending the effectiveness thereof shall be in effect and no proceedings
therefor shall be pending or threatened by the Commission.





                                       16
<PAGE>   17

     In case either of the conditions specified in this Section 10 shall not be
fulfilled, this Agreement may be terminated by the Company by giving notice to
you. Any such termination shall be without liability of the Company to the
Underwriters and without liability of the Underwriters to the Company; provided,
however, that in the event of any such termination the Company agrees to
indemnify and hold harmless the Underwriters from all costs or expenses incident
to the performance of the obligations of the Company under this Agreement,
including all costs and expenses referred to in paragraphs (i) and (j) of
Section 6 hereof.

     11. REIMBURSEMENT OF CERTAIN EXPENSES. In addition to its other obligations
under Section 7 of this Agreement, the Company hereby agrees to reimburse on a
quarterly basis the Underwriters for all reasonable legal and other expenses
incurred in connection with investigating or defending any claim, action,
investigation, inquiry or other proceeding arising out of or based upon any
statement or omission, or any alleged statement or omission, described in
paragraph (a) of Section 7 of this Agreement, notwithstanding the absence of a
judicial determination as to the propriety and enforceability of the obligations
under this Section 11 and the possibility that such payments might later be held
to be improper; provided, however, that (a) to the extent any such payment is
ultimately held to be improper, the persons receiving such payments shall
promptly refund them and (b) such persons shall provide to the Company, upon
request, reasonable assurances of their ability to effect any refund, when and
if due.

     12. PERSONS ENTITLED TO BENEFIT OF AGREEMENT. This Agreement shall inure to
the benefit of the Company and the several Underwriters and, with respect to the
provisions of Section 7 hereof, the several parties (in addition to the Company
and the several Underwriters) indemnified under the provisions of said Section
7, and their respective personal representatives, successors and assigns.
Nothing in this Agreement is intended or shall be construed to give to any other
person, firm or corporation any legal or equitable remedy or claim under or in
respect of this Agreement or any provision herein contained. The term
"successors and assigns" as herein used shall not include any purchaser, as such
purchaser, of any of the Stock from any of the several Underwriters.

     13. NOTICES. Except as otherwise provided herein, all communications
hereunder shall be in writing or by telegraph and, if to the Underwriters, shall
be mailed, telegraphed or delivered to Hambrecht & Quist LLC, One Bush Street,
San Francisco, California 94104; and if to the Company, shall be mailed,
telegraphed or delivered to it at its office, 21 Hickory Drive, Waltham,
Massachusetts 02451, Attention: Vice President, General Counsel and Clerk. All
notices given by telegraph shall be promptly confirmed by letter.

     14. MISCELLANEOUS. The reimbursement, indemnification and contribution
agreements contained in this Agreement and the representations, warranties and
covenants in this Agreement shall remain in full force and effect regardless of
(a) any termination of this Agreement, (b) any investigation made by or on
behalf of any Underwriter or controlling person thereof, or by or on behalf of
the Company or its directors or officers, and (c) delivery and payment for the
Stock under this Agreement; provided, however, that if this Agreement is
terminated prior to the Closing Date, the provisions of paragraph (k) of Section
6 hereof shall be of no further force or effect.

     This Agreement may be executed in counterparts, each of which shall be
deemed an original but both of which together shall constitute one and the same
instrument.

     This Agreement shall be governed by, and construed in accordance with, the
laws of the State of California.

                                      * * *




                                       17
<PAGE>   18



     Please sign and return to the Company the enclosed duplicate of this
letter, whereupon this letter will become a binding agreement between the
Company and the several Underwriters in accordance with its terms.

Very truly yours,

SUMMIT TECHNOLOGY, INC.



By ____________________________________________
   Robert J. Palmisano
   Chief Executive Officer


The foregoing Agreement is hereby confirmed and
accepted as of the date first above written.


HAMBRECHT & QUIST LLC
U.S. BANCORP PIPER JAFFRAY INC.
DAIN RAUSCHER WESSELS
   a division of Dain Rauscher Incorporated
As Representatives of the several Underwriters
     By: Hambrecht & Quist LLC


         By ___________________________________
            Managing Director

Acting on behalf of the several Underwriters,
including themselves, named in Schedule I hereto.







                                       18
<PAGE>   19
                                   SCHEDULE I

                                  UNDERWRITERS


<TABLE>
<CAPTION>



                                                                              NUMBER OF
                                                                              SHARES OF
                                                                             FIRM STOCK
                                                                                TO BE
UNDERWRITERS                                                                  PURCHASED
- ------------                                                                 ----------

<S>                                                                          <C>
Hambrecht & Quist LLC....................................................
U.S. Bancorp Piper Jaffray Inc...........................................
Dain Rauscher Wessels (a division of Dain Rauscher Incorporated).........










                                                                               ---------
Total...................................................................       4,000,000
                                                                               =========

</TABLE>

<PAGE>   20



                                     ANNEX A

              MATTERS TO BE COVERED IN THE OPINION OF ROPES & GRAY

     (i) Each of the Company, Autonomous Technologies Corporation and Summit
Massachusetts Securities Corp. (a) is a validly existing corporation in good
standing under the laws of the jurisdiction of its incorporation, (b) is duly
qualified as a foreign corporation and in good standing in the respective states
identified in such opinion, and (c) has corporate power and authority to own or
lease its properties and conduct its business as described in the Registration
Statement.

     (ii) The authorized capital stock of the Company consists of 5,000,000
shares of Preferred Stock, $.01 par value, none of which are outstanding, and
100,000,000 shares of Common Stock. Proper corporate proceedings have been taken
validly to authorize such authorized capital stock. The Underwritten Stock and
the shares of Option Stock, if any, issued on the date of such opinion) have
been duly and validly issued and are fully paid and nonassessable. Any Option
Stock purchased after the Closing Date, when issued and delivered to and paid
for by the Underwriters as provided in the Underwriting Agreement, will have
been duly and validly issued and be fully paid and nonassessable. No preemptive
rights of, or rights of refusal in favor of, stockholders exist with respect to
the Stock, or the issue and sale thereof, pursuant to the Articles of
Organization or By-laws of the Company. To the knowledge of such counsel, there
are no contractual preemptive rights, rights of first refusal or rights of
co-sale that exist with respect to the issue and sale of the Stock, except as
have been waived.

     (iii) All the issued and outstanding capital stock of each of Autonomous
Technologies Corporation and Summit Massachusetts Securities Corp. (a) has been
duly authorized and validly issued, (b) is fully paid and nonassessable, and (c)
is owned of record by the Company and, to the knowledge of such counsel, is so
owned free and clear of all liens, encumbrances and security interests. To the
knowledge of such counsel, no options, warrants or other rights to purchase,
agreements or other obligations to issue or other rights to convert any
obligations into shares of capital stock or ownership interests in Autonomous
Technologies Corporation and Summit Massachusetts Securities Corp. are
outstanding.

     (iv) The Registration Statement has become effective under the Securities
Act. To the knowledge of such counsel, no stop order suspending the
effectiveness of the Registration Statement or suspending or preventing the use
of the Prospectus is in effect and no proceedings for that purpose have been
instituted or are pending or contemplated by the Commission.

     (v) The Registration Statement and the Prospectus (except as to the
financial statements and schedules and other financial data contained therein,
as to which such counsel need express no opinion) comply as to form in all
material respects with the requirements of the Securities Act and with the rules
and regulations of the Commission thereunder.

     (vi) Such counsel do not know of any franchises, contracts, leases,
documents or legal proceedings, pending or threatened, that, in the opinion of
such counsel, are of a character required to be described in the Registration
Statement or the Prospectus or to be filed as exhibits to the Registration
Statement that are not described and filed as required.

     (vii) The Company has the corporate power and authority to enter into this
Agreement and to issue, sell and deliver the Stock to the Underwriters in
accordance with the terms of this Agreement. The Underwriting Agreement has been
duly authorized, executed and delivered by the Company.




                                      A-1
<PAGE>   21


     (viii) The issue and sale by the Company of the shares of Stock as
contemplated by the Underwriting Agreement will not conflict with, or result in
a breach of, (a) the charter or by-laws of the Company, Autonomous Technologies
Corporation or Summit Massachusetts Securities Corp., (b) any agreement or
instrument filed as an exhibit to the Registration Statement or as an exhibit to
any document incorporated by reference in the Registration Statement or (c) any
applicable law or regulation or any order, writ, injunction or decree
specifically naming the Company, Autonomous Technologies Corporation or Summit
Massachusetts Securities Corp.

     (ix) To the knowledge of such counsel, all holders of securities of the
Company having rights to the registration of shares of Common Stock because of
the filing of the Registration Statement have waived such rights.

     (x) No consent, approval, authorization or order of any court or
governmental agency or body is required for the consummation of the transactions
contemplated in the Underwriting Agreement, except such as have been obtained
under the Securities Act and such as may be required under state securities or
blue sky laws in connection with the purchase and distribution of the Stock by
the Underwriters.

     (xi) The Stock has been duly authorized for quotation by the Nasdaq
National Market, subject to official notice of issuance.

     In addition to the matters set forth above, counsel rendering the foregoing
opinion shall also include a statement to the effect that nothing that has come
to the attention of such counsel has caused them to believe that the
Registration Statement (except as to the financial statements and schedules and
other financial and statistical data contained or incorporated by reference
therein, as to which such counsel need not express any belief) at the Effective
Date contained any untrue statement of a material fact or omitted to state a
material fact required to be stated therein or necessary to make the statements
therein not misleading, that the Prospectus (except as to the financial
statements and schedules and other financial and statistical data contained or
incorporated by reference therein, as to which such counsel need not express any
belief) as of its date or at the Closing Date (or any later date on which Option
Stock is purchased), contained or contains any untrue statement of a material
fact or omitted or omits to state a material fact necessary in order to make the
statements therein, in light of the circumstances under which they were made,
not misleading.







                                      A-2

<PAGE>   22


                                     ANNEX B

    MATTERS TO BE COVERED IN THE OPINION OF HOMER, BONNER AND DELGADO P.A.

     All the issued and outstanding capital stock of Lens Express, Inc. (a) has
been duly authorized and validly issued, (b) is fully paid and nonassessable,
and (c) is owned of record by the Company and, to the knowledge of such counsel,
is so owned free and clear of all liens, encumbrances and security interests. To
the knowledge of such counsel, no options, warrants or other rights to purchase,
agreements or other obligations to issue or other rights to convert any
obligations into shares of capital stock or ownership interests in Lens Express,
Inc. are outstanding.








                                      B-1
<PAGE>   23

                                     ANNEX C

             MATTERS TO BE COVERED IN THE OPINION OF PATENT COUNSEL

     The statements in the Registration Statement and the Prospectus under the
captions "Risk Factors--Challenges to owned or licensed intellectual property
could adversely affect our business" and "Business--Patents," excluding in each
case descriptions of litigation, are accurate summaries in all material respects
of the matters therein set forth.








                                      C-1


<PAGE>   24




                                     ANNEX D

             MATTERS TO BE COVERED IN THE OPINION OF HOGAN & HARTSON

     The statements in the Prospectus under the captions "Risk Factors--Our
failure to timely obtain regulatory approvals for products and to comply with
FDA Regulations could adversely affect our business" and "Business--Government
Regulations" insofar as such statements purport to summarize applicable
provisions of the Food, Drug and Cosmetic Act and the regulations promulgated
thereunder, are accurate summaries in all material respects of the provisions
purported to be summarized under such captions in the Prospectus.









                                      D-1








<PAGE>   1
                                                                       EXHIBIT 5





                                  Ropes & Gray
                            One International Place
                       Boston, Massachusetts 02110-2624

                                 (617) 951-7000
                              Fax: (617) 951-7050



                                 August 9, 1999


Summit Technology, Inc.
21 Hickory Drive
Waltham, MA  02451

Ladies and Gentlemen:

This opinion is furnished to you in connection with a registration statement on
Form S-3 (the "Registration Statement"), filed with the Securities and Exchange
Commission (the "Commission") under the Securities Act of 1933, as amended, for
the registration of 4,600,000 shares of Common Stock, $0.01 par value (the
"Shares"), of Summit Technology, Inc., a Massachusetts corporation (the
"Company"). The Shares are to be sold pursuant to an underwriting agreement (the
"Underwriting Agreement") to be entered into among the Company, Hambrecht &
Quist, LLC, U.S. Bancorp Piper Jaffray and Dain Rauscher Wessels, a division of
Dain Rauscher Incorporated, as representatives of the several underwriters named
therein.

We have acted as counsel for the Company in connection with the issue and sale
by the Company of the Shares. For purposes of our opinion, we have examined and
relied upon such documents, records, certificates and other instruments as we
have deemed necessary.

We express no opinion as to the applicability of, compliance with or effect of
federal law or the law of any jurisdiction other than The Commonwealth of
Massachusetts.

Based upon the foregoing, we are of the opinion that, the Shares have been duly
authorized and, when the pricing committee of the Board of Directors of the
Company approves the price and the Shares are sold in accordance with the terms
of the Underwriting Agreement, the Shares will be validly issued, fully paid and
nonassessable.

We hereby consent to the filing of this opinion as part of the Registration
Statement and to the use of our name therein and in the related prospectus under
the caption "Validity of Common Stock."

This opinion is to be used only in connection with the offer and sale of the
Shares while the Registration Statement is in effect.

                                  Very truly yours,

                                  /s/ ROPES & GRAY

                                  Ropes & Gray









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