LASERSIGHT INC /DE
S-3/A, 1998-01-12
ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS
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                                                      Registration No. 333-36655
     As filed with the Securities and Exchange Commission on January 12, 1998

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                          PRE-EFFECTIVE AMENDMENT NO. 3
                                       TO
                                    FORM S-3
                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933


                             LASERSIGHT INCORPORATED
             (Exact name of registrant as specified in its charter)

   Delaware                          3845                        65-0273162
(State or other          (Primary Standard Industrial        (I.R.S. Employer
jurisdiction of           Classification Code Number)     Identification Number)
incorporation or
organization)                                 

                               12161 Lackland Road
                            St. Louis, Missouri 63146
                                 (314) 469-3220
          (Address, including zip code, and telephone number, including
             area code, of registrant's principal executive offices)

             Mr. Gregory L. Wilson                           Copy to:
            Chief Financial Officer                   Jacques K. Meguire, Esq.
            LaserSight Incorporated                Sonnenschein Nath & Rosenthal
              12161 Lackland Road                        8000 Sears Tower
           St. Louis, Missouri 63146                  Chicago, Illinois 60606
                (314) 469-3220                            (312) 876-8000
(Name, address, including zip code, and telephone
number, including area code, of agent for service)

     Approximate  date of commencement of proposed sale to public:  From time to
time after the Registration Statement is declared effective.

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.                               [X]

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 to be a  post-effective  amendment filed pursuant to Rule 462(c)
under the  Securities  Act,  check the following  box and list the  registration
statement of the earlier effective registration statement for the same offering.
                                                                           [ ]

If the delivery of the  prospectus  is expected to be made pursuant to Rule 434,
please check the following box.                                            [ ]


<PAGE>

<TABLE>


                         CALCULATION OF REGISTRATION FEE

<CAPTION>


        Title of Each Class of                Amount to be         Proposed Maximum        Proposed Maximum       Amount of
      Securities to be Registered            Registered (1)       Offering Price per      Aggregate Offering     Registration
                                                                         Share                Price (1)            Fee (5)

<S>                                          <C>                       <C>                   <C>                   <C>      
Common Stock, $.001 par value.........       9,312,358 shs. (2)        $2.92 (3)             $27,192,085           $8,021.67

Common Stock, $.001 par value.........         790,000 shs. (4)        $2.92 (3)             $ 2,306,800              680.51
                                               ------------                                                           ------

     Total............................      10,102,358 shs.                                                        $8,702.18
                                            ===============                                                        =========

<FN>

         (1)  In  the  event  of a  stock  split,  stock  dividend,  or  similar
              transaction  involving the Common Stock of the Company, the number
              of  shares  registered  hereby  shall be  automatically  increased
              pursuant  to Rule 416 to cover  the  additional  shares  of Common
              Stock required to prevent dilution.

         (2)  Equals  200% of the  number of shares of Common  Stock  that would
              have been issuable if all 1,295 shares of the  Company's  Series B
              Convertible  Participating  Preferred  Stock,  par value $.001 per
              share (the  "Series B Preferred  Stock") had been  converted as of
              January 8, 1998.

         (3)  Estimated  solely for the purpose of calculating the  registration
              fee pursuant to Rule 457(c).  Based on the average of the high and
              low  prices  reported  for the Common  Stock on The  Nasdaq  Stock
              Market on January 7, 1998.

         (4)  Represents  shares issuable upon exercise of outstanding  warrants
              (the "Series B Warrants")  issued in  connection  with the private
              placement of the Series B Preferred Stock.

         (5)  Of  which a  total of $9,290.93  has been paid on September 29 and
              November 20, 1997.
</FN>
</TABLE>


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 COMMISSION,  ACTING PURSUANT TO SAID SECTION 8(A),
MAY DETERMINE.


<PAGE>


                  SUBJECT TO COMPLETION DATED JANUARY 12, 1998

Information   contained  herein  is  subject  to  completion  or  amendment.   A
registration  statement  relating  to these  securities  has been filed with the
Securities  and Exchange  Commission.  These  securities may not be sold nor may
offers to buy be accepted prior to the time the registration  statement  becomes
effective.  This  prospectus  shall  not  constitute  an  offer  to  sell or the
solicitation of an offer to buy nor shall there be any sale of these  securities
in any State in which such offer,  solicitation  or sale would be unlawful prior
to registration or qualification under the securities laws of any such State.

PROSPECTUS
                           10,102,358 Shares (Note 1)
                             LASERSIGHT INCORPORATED
                         Common Stock ($.001 par value)


     This Prospectus relates to an aggregate of 10,102,358 shares (the "Shares")
of common stock, $.001 par value ("Common Stock"), of LaserSight Incorporated, a
Delaware corporation (the "Company") being offered for sale from time to time by
the selling  shareholders named in this Prospectus (the "Selling  Shareholders")
as follows:

         (i) up to 9,312,358  shares issuable upon the conversion  (such shares,
     the "Conversion  Shares") from time to time (but not after August 29, 2000)
     of the Company's Series B Convertible  Participating Preferred Stock, $.001
     par value (the "Series B Preferred Stock") (see Note (1) below), and

         (ii) up to 790,000  shares (the  "Warrant  Shares")  issuable  upon the
     exercise  of  warrants  issued in  connection  with the  Company's  private
     placement  of  Series B  Preferred  Stock in  August  1997  (the  "Series B
     Warrants").

     If all of the Series B Warrants are  exercised,  the Company  would realize
$4,668,900 in proceeds.  See "Use of Proceeds." The Company will not receive any
proceeds  from any sale of  Conversion  Shares or Warrant  Shares by the Selling
Shareholders.  The Company has been  advised by the  Selling  Shareholders  that
there are no underwriting arrangements with respect to the sale of Common Stock,
that the Resale  Shares may be offered  hereby from time to time for the account
of  Selling  Shareholders  in  transactions  on  The  Nasdaq  Stock  Market,  in
negotiated transactions or a combination of both at prices related to prevailing
market prices, or at negotiated prices. See "Selling  Shareholders" and "Plan of
Distribution."  The  Company  will  pay the  expenses  in  connection  with  the
registration  of the Shares (other than any  underwriting  discounts and selling
commissions, and fees and expenses of counsel and other advisors, if any, to the
Selling Shareholders) estimated to be $70,000.

     The Common  Stock is traded on The  Nasdaq  Stock  Market  under the symbol
"LASE."  On January 9, 1998,  the  closing  sale price for the Common  Stock was
$3.03 per share.

THE SHARES INVOLVE A HIGH DEGREE OF RISK.  SEE "RISK FACTORS"  BEGINNING ON PAGE
4.

    THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
       AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS
         THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
             COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF THIS
                PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS
                               A CRIMINAL OFFENSE.

                The date of this Prospectus is January __, 1998.
                       (Cover page continued on next page)


<PAGE>

                   (Cover page continued from preceding page)

Note (1):

The 9,312,358 Conversion Shares offered for resale by this Prospectus equals the
number of  Conversion  Shares  that,  based on an assumed  Conversion  Price (as
defined  below) of $2.78125,  the Company's  agreements  with the holders of the
Series  B  Preferred  Stock  require  it to  cause to be  registered  under  the
Securities Act of 1933 for sale pursuant to this  Prospectus,  assuming that the
Company  obtains  the  shareholder  approval  described  below.  Such  number of
Conversion Shares equals 200% of the 4,656,179 shares of Common Stock that would
have  been  issuable  if the  holders  of all  shares  of  outstanding  Series B
Preferred  Stock had elected to convert such shares as of January 8, 1998 and if
such shareholder  approval had been obtained.  If as of any date, such number of
shares  (4,656,179)  were to become  less than 175% of the number of  Conversion
Shares that would then be issuable  as of such date,  then the Company  would be
required  to  cause  the  registration  of a  sufficient  number  of  additional
Conversion  Shares to cause the number of registered  Conversion Shares to equal
200% of the number of Conversion  Shares issuable as of such date. The number of
Conversion  Shares that will be ultimately issued is not limited,  however,  and
could be significantly more than (or less than) 4,656,179.  However, the Company
will not issue more than  1,995,534  Shares  without  the prior  approval of the
Company's  shareholders  as required by the listing rules of the NASDAQ National
Market and the terms governing the Series B Preferred Stock.

     The Series B  Preferred  Stock is  convertible  at the option of any holder
thereof at any time or from time to time until  August 29,  2000,  on which date
all shares of Series B Preferred Stock then  outstanding  will  automatically be
converted into Common Stock.  The number of Conversion  Shares issuable upon the
conversion of each of the 1,295 shares of Series B Preferred  Stock  outstanding
as of the date of this Prospectus equals $10,000 divided by the Conversion Price
in effect as of the date of such  conversion.  As of any  conversion  date,  the
Conversion Price equals the lesser of (i) $6.68 per share or (ii) the average of
the three lowest  closing bid prices of the Common Stock during the 20 (30 after
February 25, 1998 under certain  conditions)  consecutive trading days preceding
such  conversion  date. See "The  Offering,"  "Selling  Shareholders,"  "Plan of
Distribution," "Risk  Factors--Effect of Conversion of Series B Preferred Stock"
and "Description of Securities."


<PAGE>

                                TABLE OF CONTENTS

   
Documents Incorporated by Reference                    Description of Securities
The Company                                            Plan of Distribution
The Offering                                           Selling Shareholders
Risk Factors                                           Legal Matters
Use of Proceeds                                        Experts
Recent Developments                                    Available Information
Capitalization
                           --------------------------

     No  dealer,  salesman  or  other  person  has been  authorized  to give any
information  or to  make  any  representation  other  than  those  contained  or
incorporated  by reference in this  Prospectus in  connection  with the offering
described herein. If given or made, such information or representation  must not
be  relied  upon  as  having  been  authorized  by the  Company  or any  Selling
Shareholder.  Neither the delivery of this Prospectus nor any offer or sale made
hereunder shall, under any circumstances, imply that there has been no change in
the affairs or operations of the Company since the date of this  Prospectus,  or
that the information herein is correct as of any time subsequent to such date.

                       DOCUMENTS INCORPORATED BY REFERENCE

     The  following  documents  of the  Company  filed with the  Securities  and
Exchange  Commission (the "SEC") under the Securities  Exchange Act of 1934 (the
"Exchange Act") are incorporated by reference in this Prospectus:

     A.  The Company's  Annual  Report on Form 10-K for the year ended  December
         31, 1996, as amended by a Form 10-K/A filed on December 12, 1997;

     B.  The  Company's  Quarterly  Reports on Form 10-Q for the quarters  ended
         March 31, and June 30, 1997 (each as amended by a Form 10-Q/A  filed on
         December 11, 1997);

     C.  The  Company's  Quarterly  Report  on Form 10-Q for the  quarter  ended
         September 30, 1997 (as amended by Form  10-Q/A's  filed on December 11,
         1997 and January 9, 1998);

     D.  The Company's  Current  Reports on Form 8-K filed on February 25, March
         18, March 27, April 8, April 25, July 1, July 31, August 13,  September
         2, September 11,  September 15,  September 29, November 7, and December
         29, 1997, and January 2 and January __, 1998; and

     E.  The  description  of the Common Stock  contained in the Company's  Form
         8-A/A (Amend. No. 3) filed on September 29, 1997.

     All reports and other documents  subsequently filed by the Company pursuant
to Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act prior to the filing of
a  post-effective  amendment which indicates that all Shares offered hereby have
been sold or which  deregisters all securities then remaining  unsold,  shall be
deemed to be incorporated  by reference  herein and to be a part hereof from the
date of the filing of such reports and documents.
<PAGE>

     Any  statement  contained  in a  document  incorporated  or  deemed  to  be
incorporated in this Prospectus by reference shall be modified or superseded for
the purpose of this Prospectus to the extent that a statement  contained in this
Prospectus  or in any other  subsequently  filed  document  which  also is or is
deemed to be incorporated  in this Prospectus by reference  modifies or replaces
such statement.

     The Company  will provide  without  charge to each  person,  including  any
beneficial  owner, to whom a copy of this Prospectus has been delivered,  on the
written or oral request of such person, a copy of any and all of the information
that  has been or may be  incorporated  by  reference  in this  Prospectus  (not
including exhibits to the information that is incorporated by reference into the
information that this Prospectus incorporates). Written requests for such copies
should be directed to Secretary,  LaserSight Incorporated,  12161 Lackland Road,
St. Louis, Missouri 63146; telephone: (314) 469-3220.


                                   THE COMPANY

     LaserSight Incorporated and its subsidiaries operate in two major operating
segments: technology and health care services.

     The Company's  technology segment includes  LaserSight  Technologies,  Inc.
("LaserSight Technologies"), LaserSight Patents, Inc. ("LaserSight Patents") and
LaserSight Centers Incorporated ("LaserSight Centers").  LaserSight Technologies
develops,  manufactures  and  markets  ophthalmic  lasers  with a  galvanometric
scanning   system   primarily  for  use  in  performing   PRK   (photorefractive
keratectomy)  which  utilizes  a one  millimeter  scanning  laser beam to ablate
microscopic  layers of  corneal  tissue in order to  reshape  the  cornea and to
correct  the eye's  point of focus in  persons  with  myopia  (nearsightedness),
hyperopia (farsightedness) and astigmatism.  LaserSight Patents licenses various
patents related to the use of excimer lasers to ablate  biological tissue and to
keratome design and usage.  LaserSight Centers is a developmental-stage  company
through which the Company may provide PRK, LASIK (Laser In Situ  Keratomileusis)
and other eyecare surgical services.

     Since December 31, 1997, the health care services  segment has consisted of
MRF, Inc. ("MRF" or "The Farris  Group").  The Farris Group provides health care
and vision care  consulting  services to hospitals,  managed care  companies and
physicians.  Until that date,  this  segment had also  included MEC Health Care,
Inc. ("MEC") and LSI Acquisition,  Inc. ("LSIA"). See "Recent Developments--Sale
of MEC and LSIA." Under the Company's  ownership,  MEC was a vision managed care
company which managed vision care programs for health maintenance  organizations
(HMOs) and other insured enrollees and LSIA was a physician practice  management
company which managed the ophthalmic  practice known as the "Northern New Jersey
Eye Institute" under a management services agreement.

     The Company was  incorporated  in Delaware in 1987,  but was inactive until
1991.   In  April  1993,   the  Company   acquired   LaserSight   Centers  in  a
stock-for-stock exchange with additional shares issued in March 1997 pursuant to
an amended purchase agreement.  In February 1994, the Company acquired MRF, Inc.
In July 1994, the Company was reorganized as a holding company. In October 1995,
the Company  acquired MEC. In July 1996, the Company's LSIA subsidiary  acquired
the assets of the Northern New Jersey Eye  Institute.  On December 30, 1997, the
Company  sold MEC and LSIA,  effective  as of  December  1,  1997.  See  "Recent
Developments--Sale of MEC and LSIA."

     As used herein,  the term the "Company"  refers to LaserSight  Incorporated
and its  subsidiaries,  unless the context  otherwise  requires.  The  Company's
principal  office and  mailing  address  are 12161  Lackland  Road,  St.  Louis,
Missouri 63146, and its telephone number is (314) 469-3220.
<PAGE>

                                  THE OFFERING

Common Stock outstanding as of January 7, 1998    9,984,672 shares

Shares Offered by Selling Shareholders:
Common Stock issued to date upon conversion of 
   Series B Preferred Stock                       None.
     
Common Stock issuable upon conversion of          Minimum:  1,938,622 shares(1)
   outstanding  Series B Preferred Stock          Maximum:  To be determined(2)

Common Stock issuable upon exercise of Series B   790,000 shares
   Warrants

Other
Risk Factors                                      The   Shares  involve  a  high
                                                  degree   of  risk.   Investors
                                                  should carefully  consider the
                                                  information  set  forth  under
                                                  "Risk Factors."

Proceeds to the Company if the Series B Warrants  $4,668,900
    are exercised in full

Use of proceeds from exercise of Series B         Working    capital;    general
   Warrants                                       corporate purposes.
   
Nasdaq Stock Market trading symbol                LASE


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

         (1) Represents the number of shares that would be issuable if all 1,295
     shares  of  Series  B  Preferred  Stock  outstanding  on the  date  of this
     Prospectus were to be converted into Common Stock at the maximum Conversion
     Price of $6.68 per share.

         (2) The actual  number of  shares of  Common  Stock  issuable  upon the
     conversion  of the Series B  Preferred  Stock  will equal (i) the  original
     purchase  price of the shares of Preferred  Stock ($10,000 per share) being
     converted  divided by (ii) a Conversion  Price equal to the lesser of $6.68
     per share or the  average  of the three  lowest  closing  bid prices of the
     Common  Stock  during  the  20  consecutive  trading  days  preceding  such
     conversion  (30 trading days if the five-day  average  closing bid price of
     the Common Stock on February 25, 1998 is less than $5.14),  but in no event
     more than 1,995,534 shares without shareholder  approval.  See "Description
     of   Securities--Preferred   Stock--Series   B  Convertible   Participating
     Preferred Stock."

         For the  foreseeable  future,  the Company does not  anticipate  paying
     dividends on the Common Stock or any participating  dividends on the Series
     B Preferred Stock. If, however, any participating dividends are paid on the
     Series B preferred Stock,  such dividends would be paid in Common Stock. In
     such case,  the number of shares of Common  Stock to be issued  would equal
     the amount of all  dividends  paid on the Common Stock  through the date of
     the conversion thereof,  divided by the market price of the Common Stock on
     the date preceding such event.  See  "Description of  Securities--Preferred
     Stock."


<PAGE>


                                  RISK FACTORS

     The Shares offered hereby involve a high degree of risk. In addition,  this
Prospectus  contains  forward-looking  statements (within the meaning of Section
27A of the  Securities  Act and Section 21E of the Exchange  Act) which  involve
risks and uncertainties. Included in the following Risk Factors are factors that
could affect the Company's  actual results and could cause the Company's  actual
results  to  differ in  material  respects  from the  results  discussed  in any
forward-looking  statements  made by,  or on  behalf  of,  the  Company  in this
Prospectus and the documents  incorporated by reference  herein.  In addition to
the other information contained or incorporated by reference in this Prospectus,
purchasers of the Shares should carefully consider the following risk factors:


     Potential  Obligation to Redeem Preferred Stock if Stockholder Approval Not
Obtained.  If for any  reason  the  Company's  shareholders  do not  approve  by
February 28, 1998 the  possible  issuance of an  indefinite  number of shares of
Common Stock upon the conversion of the Company's outstanding Series B Preferred
Stock, any holder of Series B Preferred Stock will have the right to require the
Company to redeem a portion of such holder's  Series B Preferred  Stock for cash
in an amount  equal to the  Special  Redemption  Price.  For this  purpose,  the
Special  Redemption  Price means a cash payment  equal to the greater of (i) the
liquidation  preference of $10,000  multiplied by 125% or (ii) the current value
of the  Common  Stock,  using the price  per  share of Common  Stock,  which the
holders of such shares of Series B Preferred  Stock would  otherwise be entitled
to receive  upon  conversion.  A holder  could  elect to require  the Company to
redeem  whatever  portion of its Series B Preferred  Stock is necessary to cause
the number of shares of Common  Stock that would be issuable if such holder were
to convert all of its remaining Series B Preferred Stock and exercise all of its
Series B Warrants to equal no more than 50% of such holder's pro rata portion of
the  1,995,534  shares of Common Stock that the Company can issue  without prior
shareholder  approval.  The lower the price of the Company's Common Stock at the
time of a holder's conversion of its Series B Preferred Stock, the greater would
be the number of shares of Common  Stock that would be  issuable  to such holder
upon such  conversion and thus the greater the portion of such holder's Series B
Preferred  Stock that it could  elect to  require  the  Company  to redeem.  See
"Description of Securities--Preferred  Stock--Series B Convertible Participating
Preferred Stock."

     All of the holders of the Series B  Preferred  Stock have  consented  to an
extension  from  December  26, 1997 to February 28, 1998 of the deadline for the
Company to obtain the  shareholder  approval needed to avoid giving such holders
the right to require the Company to redeem a portion of their shares of Series B
Preferred Stock. There can be no assurance as to whether,  when or on what terms
the  Company  could  obtain any further  extension  of this  deadline  should an
extension  become  necessary.  If the  Series B  Preferred  Stock were to become
redeemable and if the holders of the Series B Preferred Stock were thereafter to
exercise their right to require the Company to redeem a portion of their shares,
the Company does not expect to have sufficient cash or marketable  securities to
fund such  redemption,  resulting in a material  adverse effect on the Company's
financial  position  and  liquidity.  Such  material  adverse  effect  could  be
increased by the default in the Company's  credit facility with Foothill Capital
Corporation  ("Foothill") that would result from any required  redemption of the
Series B Preferred Stock. If an extension of the shareholder  approval  deadline
beyond February 28, 1998 were to become  necessary,  but holders of the Series B
Preferred Stock were to refuse to grant such further  extension and were instead
to require the  Company to redeem the full  amount of Series B  Preferred  Stock
that such holders would then be entitled to demand, the Company estimates, based
on the average of the three lowest closing bid prices of the Common Stock during
the 20-trading day period preceding January 8, 1998 ($2.78125),  that the amount
of its redemption  obligation  could equal at least $15.5  million,  including a
premium of 25% or approximately $3.1 million.  These amounts would be greater to

<PAGE>

the extent that (i) the highest closing bid price of the Common Stock during the
period  beginning  10 trading days before the  redemption  event and ending five
business days after such event exceeds the Conversion Price that would have been
applicable if the preferred  shares had been converted  instead of redeemed,  or
(ii) the required  redemption  were to occur more than five  business days after
the  Company's  receipt of a conversion  request (in which case  interest  would
begin to accrue on the  redemption  price at an annual  rate  equal to the prime
rate plus 5%).

     Potential  Obligation to Redeem  Preferred  Stock if Conversion  Shares and
Warrant Shares Not Registered for Resale. Any holder of Series B Preferred Stock
will also have the right to  require  the  Company to redeem all or a portion of
such  holder's  Series B  Preferred  Stock  for cash in an  amount  equal to the
Special Redemption Price under any of the following circumstances:

     *   If for any  reason  the  registration  statement  which  includes  this
         Prospectus  is not declared  effective by the SEC on or before  January
         26, 1998,

     *   Subject to certain limited exceptions,  if such registration  statement
         is declared  effective but  subsequently  becomes  unavailable  for the
         resale of Conversion  Shares or Warrant Shares by the holders  thereof,
         or

     *   The Company becomes required to register additional  conversion shares,
         but for any reason fails to have a registration  statement  relating to
         such  shares  declared  effective  by the SEC within 30 days after such
         obligation first arises.

     Potentially  Unlimited  Number of Common Shares Issuable Upon Conversion of
Preferred  Stock.  The  number  of shares of  Common  Stock  issuable  upon each
conversion  of the Series B  Preferred  Stock will  depend on the average of the
three  lowest  closing  bid  prices  of  the  Common  Stock  during  the  period
immediately  preceding such  conversion and will increase as the market price of
the Common Stock declines below $6.68 per share (the maximum Conversion Price of
the  Series B  Preferred  Stock).  There is no limit on the  number of shares of
Common Stock issuable in connection  with the  conversions of Series B Preferred
Stock, except that the issuance of more than 1,995,534 shares of Common Stock in
connection  with such  conversions  is subject to the approval of the  Company's
shareholders at a special  meeting of  shareholders  scheduled for February ___,
1998. The table below  illustrates how changes in the market price of the Common
Stock could effect the number of shares issuable upon such conversions:

           Assumed                 Number of             As % of Common Shares
         Conversion               Conversion              Assumed Outstanding
          Price (1)             Shares Issuable           After Conversion (2)
         ---------             ---------------            --------------------

           $0.50                  25,900,000                      72.2%
           $1.00                  12,950,000                      56.5%
           $2.00                   6,475,000                      39.3%
           $2.78125 (3)            4,656,179                      31.8%
           $3.00                   4,316,666                      30.2%
           $4.00                   3,237,500                      24.5%
           $5.00                   2,590,000                      20.6%
           $6.00                   2,158,333                      17.8%
           $6.68                   1,938,622                      16.3%
(maximum Conversion Price)

- -----------------------
<PAGE>

     (1) Based on the  lesser of (A) $6.68 per share or (B) the  average  of the
         three  lowest  closing  bid  prices of the Common  Stock  during the 20
         trading  days (30 trading days after  February  25, 1998 under  certain
         conditions)   immediately  preceding  the  applicable  conversion  date
         (subject to equitable adjustment for any stock splits, stock dividends,
         reclassifications   or  similar   events  during  such   period).   See
         "Description  of  Securities--Preferred   Stock--Series  B  Convertible
         Participating Preferred Stock."

     (2) Assumes that the number of shares outstanding at the time of conversion
         equals the 9,984,672  shares of Common Stock  outstanding on January 7,
         1998  plus the  number  of  shares  issuable  in  connection  with such
         conversion.  Also  assumes  that all  shares  of  Preferred  Stock  are
         converted at the Conversion Price indicated.

     (3) Equals the Conversion  Price that would have been  applicable if all of
         the Series B Preferred Stock had been converted as of January 8, 1998.

In addition,  in the event of a liquidation  of the Company,  the holders of the
Series  B  Preferred  Stock  would  be  entitled  to  receive  distributions  in
preference to the holders of the Common Stock.

     Past and  Expected  Future  Losses and  Operating  Cash Flow  Deficits;  No
Assurance  of Future  Profits or  Positive  Operating  Cash  Flows.  The Company
incurred  losses of $4.1 million and $5.5 million during 1996 and the first nine
months of 1997, respectively. During such 1996 and 1997 periods, the Company had
a  deficit  in cash flow  from  operations  of $4.2  million  and $3.0  million,
respectively.  Although the Company achieved profitability during 1995 and 1994,
it had a deficit in cash flow from  operations  of $1.9 million  during 1995. In
addition,  the Company incurred losses in 1991 through 1993. As of September 30,
1997,  the  Company had an  accumulated  deficit of $10.1  million.  The Company
expects  to report a loss and a deficit  in cash  flow from  operations  for the
fourth  quarter of 1997.  Under the terms of the  Company's  sale of its MEC and
LSIA   subsidiaries  on  December  30,  1997,  the  operating   income  of  such
subsidiaries  ceased  to be for  the  account  of the  Company  effective  after
November 30, 1997. As a result,  the Company's  losses and deficits in cash flow
from operations for the fourth quarter of 1997 have been, and future periods may
be,  greater  than if the  Company  had not sold MEC and  LSIA.  There can be no
assurance  that the  Company  can regain or sustain  profitability  or  positive
operating cash flow in any subsequent fiscal period.

     Uncollectible Receivables Could Exceed Reserves. At September 30, 1997, the
Company's  trade  accounts  and  notes   receivable   aggregated   approximately
$11,090,000,  net of total  allowances  for  collection  losses  and  returns of
approximately  $1,650,500.  Accrued commissions,  the payment of which generally
depends  on the  collection  of such net trade  accounts  and notes  receivable,
aggregated approximately $1,551,000 at September 30, 1997. At December 31, 1996,
the Company had restructured  laser customer accounts in the aggregate amount of
approximately  $1,785,000  (14.5% of the  gross  receivables  as of such  date),
resulting in the extension of the original payment terms by periods ranging from
12 to 60  months.  The  Company's  liquidity  and  operating  cash  flow will be
adversely  affected if  additional  extensions  become  necessary in the future.
Exposure to collection losses on  technology-related  receivables is principally
dependent on the  Company's  customers  ongoing  financial  condition  and their
ability to generate revenues from the Company's laser systems. Approximately 87%
of net receivables at September 30, 1997 relate to international  accounts.  The
Company's  ability to evaluate the financial  condition  and revenue  generating
ability of its  prospective  customers  located  outside of the United States is
generally more limited than for customers located in the United States. Although
the Company  monitors the status of its  receivables and maintains a reserve for
estimated  losses,  there can be no assurance  that the  Company's  reserves for
estimated losses  ($1,393,000 at September 30, 1997) will be sufficient to cover

<PAGE>

actual  write-offs over time.  Actual  write-offs that materially exceed amounts
reserved  could have a material  adverse  effect on the  Company's  consolidated
financial condition and results of operations.

     Potential Liquidity Problems.  During the quarter ended September 30, 1997,
the Company experienced a $2.2 million deficit in cash flow from operations (73%
of the  year-to-date  deficit),  largely  resulting  from the low level of laser
system  sales  and the  increase  in the  Company's  research,  development  and
regulatory   expenses.   During  the  quarter,   the  Company  also  experienced
significant  decreases  in the amount of working  capital  (from $6.4 million to
$4.5 million) and cash and cash equivalents (from $3.1 million to $1.2 million).
Although the Company  expects cash flow from  operations to improve  somewhat in
the fourth  quarter of 1997 and the first  quarter of 1998 relative to the level
for the third quarter of 1997, the Company expects to continue to incur deficits
in operating cash flow during such quarters.  The Company  expects that any such
improvements  in cash flow from  operations  will depend on, among other things,
the  Company's  ability to sell and produce its new  LaserScan LSX laser systems
and its Automated Disposable Keratome ("ADK") product on a commercial basis. See
"--New  Products"  below.  As of December 31, 1997,  the ADK product had not yet
been  shipped on a  commercial  basis and the LSX laser  system had not made any
significant contribution to the Company's revenue. Subject to these factors, the
Company believes that its balances of cash and cash  equivalents,  together with
expected  operating cash flows and the  availability of up to $2.0 million under
its  revolving  credit  facility  with  Foothill  will be sufficient to fund its
anticipated  working capital  requirements for the next 12-month period based on
modest growth and anticipated  collection of receivables.  However, a failure to
collect timely a material portion of current  receivables or significant  delays
in the shipment of the  Company's  LaserScan  LSX or ADK  products  could have a
material adverse effect on the Company's liquidity.

     Uncertainty Regarding  Availability or Terms of Capital to Satisfy Possible
Additional Needs. The Company may need additional capital, including to fund the
following:

                  (i)   any future negative cash flow from operations,

                  (ii)  the  amounts  payable  to the  holders  of the  Series B
         Preferred  Stock as a result the  failure  of the  Company to cause the
         registration of the Shares on or before November 27, 1997 (based on the
         1,295 shares of Series B Preferred Stock  outstanding as of the date of
         this  Prospectus,  such  amounts have accrued in the amount of $129,500
         through  December  27, 1997 and at the rate of $259,000  per month (pro
         rated daily)  thereafter  until the effective date of the  registration
         statement that includes this Prospectus,

                  (iii)  the  introduction  of its laser  systems  into the U.S.
         market after receiving FDA approval (the Company  believes the earliest
         these expenses might occur is the second half of 1998), and

                  (iv) to satisfy certain cash payment obligations under its PMA
         acquisition  agreement  of July 1997.  (Such cash  payment  obligations
         include  $1.75  million  payable in the event the FDA  approves the PMA
         before July 29, 1998 and $1.0 million payable in the event that the FDA
         approves the Company's  scanning laser for commercial  sale in the U.S.
         before April 1, 1998.)

In  addition,  the Company may seek  alternative  sources of capital to fund its
product development activities and to consummate future strategic acquisitions.

     Except for additional  borrowing  available (as of December 31, 1997, up to
$2.0 million) under its revolving credit facility with Foothill through June 15,
1998  and   approximately   $6.5  million   (subject  to  certain   post-closing

<PAGE>

adjustments)  scheduled to be received  from the sale or redemption of shares of
the common  stock of Vision  Twenty-One,  Inc.  ("Vision  21")  received  by the
Company in  connection  with its December 1997 sale of MEC and LSIA (see "Recent
Developments--Sale  of MEC and LSIA"), the Company has no present commitments to
obtain  additional  capital,  and no assurance  can be given as to whether or on
what terms the Company will be able to obtain  additional  capital.  On December
30, 1997,  the Company and Foothill  amended the Foothill  loan  facility (i) to
make the term loan ($2.0  million at December 31, 1997)  payable in full on June
15, 1998 (rather than in monthly  installments of $1.33 million beginning on May
1, 1998) and (b) to make availability of all borrowings under the revolving loan
facility  terminate on June 15, 1998 (rather than declining by $1.33 million per
month beginning on August 1, 1998).

     To the extent that the Company satisfies its future financing  requirements
through the sale of equity  securities,  holders of Common Stock may  experience
significant dilution in earnings per share and in net book value per share. Such
dilution may be more  significant  if the Company were again to sell  additional
preferred stock with a conversion price linked to the market price of the Common
Stock at the time of conversion.  The Foothill financing or other debt financing
could result in a substantial portion of the Company's cash flow from operations
being  dedicated to the payment of principal  and interest on such  indebtedness
and may render the Company more vulnerable to competitive pressures and economic
downturns.

     Risks  Relating To Vision 21. As  described  in more detail  under  "Recent
Developments--Sale  of MEC and LSIA," Vision 21 has agreed to pay to the Company
on May 29, 1998 an amount equal to the amount (the "Shortfall Payment"), if any,
by which the gross  proceeds  of sales of shares of Vision 21 stock  received by
the  Company  in  connection  with its sale of MEC and LSIA  fall  short of $6.5
million  (subject to certain  post-closing  adjustments).  Both the value of the
Vision 21 Shares and the ability of Vision 21 to make the Shortfall  Payment (if
any is required) is subject to risks,  including  without  limitation  the risks
disclosed in Vision 21's filings with the SEC and the following  risks  included
in Vision 21's press release dated December 31, 1997 relating to its acquisition
of MEC and LSIA:

         [R]isks associated with [Vision 21]'s ability to finance future growth;
         [Vision  21]'s  ability to  successfully  and  profitably to manage its
         managed care  practices;  [Vision 21]'s ability to retain key employees
         and agents of acquired  businesses and managed  practices;  the loss of
         significant management  contract(s);  profitability at sites managed by
         Vision Twenty-One; the ability of [Vision 21] to successfully integrate
         its acquisitions;  the ability of [Vision 21] to effectively manage the
         cost of its acquisitions; any material impact on future revenues of its
         acquired businesses; changes in insurance coverage, government laws and
         regulations  regarding  health care or managed  care  contracting;  the
         ability of [Vision 21] to retain managed care contracts with acceptable
         terms;  and other risks,  including  those  identified in [Vision 21]'s
         most recent 10-Q and S-1 registration  statement and in other documents
         filed by [Vision 21] with the [SEC]."

     Possible Dilutive Issuance of Common Stock--LaserSight Centers. The Company
has agreed, based on a  previously-reported  acquisition agreement (the "Centers
Agreement")  entered into in 1993 and  modified in July 1995 and March 1997,  to
issue to the  former  shareholders  and  option  holders  (including  two trusts
related to the Chairman of the Board of the Company and certain former  officers
and   directors  of  the  Company)  of   LaserSight   Centers,   the   Company's
development-stage  subsidiary, up to 600,000 unregistered shares of Common Stock
(the  "Centers  Contingent  Shares")  based  on  the  Company's  future  pre-tax
operating income through March 2002 from performing PRK, PTK or other refractive
laser surgical procedures. The Centers Contingent Shares are to be issued at the

<PAGE>

rate of one share per $4.00 of such operating  income. As of September 30, 1997,
the Company had not accrued any amount of such pre-tax operating  income.  There
can be no  assurance  that any  issuance  of Centers  Contingent  Shares will be
accompanied  by an increase in the Company's per share  operating  results.  The
Company is not obligated to pursue strategies that may result in the issuance of
Centers  Contingent  Shares.  It may be in the  interest of the  Chairman of the
Board for the Company to pursue  business  strategies that maximize the issuance
of Centers Contingent Shares.

     Possible Dilutive Issuance of Common  Stock--Florida Laser Partners.  Based
on a previously-reported  royalty agreement entered into in 1993 and modified in
July 1995 and March 1997, the Company is obligated to pay to a partnership whose
partners  include the  Chairman  of the Board of the Company and certain  former
officers and directors of the Company a royalty of up to $43 (payable in cash or
shares of Common  Stock based on its  then-current  market  value (the  "Royalty
Shares")),  for each eye on which laser refractive optical surgical procedure is
conducted on an excimer laser system owned or operated by LaserSight  Centers or
its affiliates.  No such payment  obligation has arisen as of September 30, 1997
because  royalties do not begin to accrue until the earlier of March 2002 or the
delivery of an additional  600,000 Centers  Contingent Shares (none of which had
accrued as of such date). There can be no assurance that any issuance of Royalty
Shares will be accompanied  by an increase in the Company's per share  operating
results.  It may be in the interest of the Chairman of the Board for the Company
to pursue business strategies that maximize the issuance of Royalty Shares.

     Possible Dilutive Issuance of Common Stock--The Farris Group. To the extent
that an earnout  provision  relating to the Company's  acquisition of The Farris
Group in 1994 is  satisfied  based on  certain  annual  pre-tax  income  targets
through  December 31, 1998, the Company would be required to issue to the former
owner of such company (Mr. Michael R. Farris,  the President and Chief Executive
Officer of the  Company)  up to 750,000  shares of Common  Stock  (collectively,
"Farris Contingent Shares"). To date, 406,700 Farris Contingent Shares have been
issued based on the operating  results of the Farris Group through  December 31,
1995.  As a result of the losses  The  Farris  Group  incurred  during  1996 and
expects to incur during 1997, no Farris  Contingent  Shares became  issuable for
1996  or are  expected  to  become  issuable  for  1997.  If  additional  Farris
Contingent  Shares  become  issuable,  goodwill and the  resulting  amortization
expense will  increase.  There can be no  assurance  that any issuance of Farris
Contingent  Shares will be accompanied by an increase in the Company's per share
operating results.

     Acquisition-  and   Financing-Related   Contingent   Commitments  to  Issue
Additional  Common Shares.  In connection  with the acquisition of the assets of
the Northern New Jersey Eye Institute by the Company's  LSIA  subsidiary in July
1996,  the  Company  agreed to issue up to 102,798  additional  shares of Common
Stock if the fair market value of the Common Stock in July 1998 is less than $15
per share. The Company's recent sale of LSIA (see "Recent  Developments--Sale of
MEC and LSIA") does not affect this contingent obligation.  The Company may from
time to time include similar  provisions in future  acquisitions and financings.
Persons who are the  beneficiaries of such provisions  effectively  receive some
protection  from  declines in the market  price of the Common  Stock,  but other
shareholders  of the  Company can expect to incur  additional  dilution of their
ownership  interest in the event of a decline in the price of the Common  Stock.
The factors to be considered  by the Company in including  such  provisions  may
include the Company's cash resources,  the trading history of Common Stock,  the
negotiating position of the selling party or the investors,  as applicable,  and
the extent to which the Company  estimates  that the  expected  benefit from the
acquisition  or  financing   exceeds  the  expected   dilutive   effect  of  the
price-protection provision.

     Dependence  on Key  Personnel.  The Company is dependent  on its  executive
officers and other key employees,  especially  Michael R. Farris,  its President
and Chief  Executive  Officer,  and J.  Richard  Crowley,  the  President of its

<PAGE>

LaserSight Technologies  subsidiary.  A loss of one or more such officers or key
employees,  especially  of Mr.  Farris or Mr.  Crowley,  could  have a  material
adverse effect on the Company's  business.  The Company does not carry "key man"
insurance on Mr. Farris, Mr. Crowley or any other officers or key employees.

     Risks  Associated with Past and Possible Future  Acquisitions.  The Company
has made  several  significant  corporate  acquisitions  in the last four years,
including  MRF in 1994,  Photomed  in 1997,  and the IBM laser  patents in 1997.
These prior  acquisitions,  as well as any future  acquisition,  may not achieve
adequate levels of revenue,  profitability  or productivity or may not otherwise
perform  as  expected.  Acquisitions  involve  special  risks,  including  risks
associated  with  unanticipated  liabilities  and  contingencies,  diversion  of
management  attention and possible  adverse  effects on earnings  resulting from
increased  goodwill  amortization,  increased  interest  costs,  the issuance of
additional  securities  and  difficulties  related  to  the  integration  of the
acquired businesses.  Although the Company is currently focusing on its existing
operations,  the  future  ability  of the  Company  to  achieve  growth  through
acquisitions  will depend on a number of factors,  including the availability of
attractive  acquisition  opportunities,  the  availability  of funds  needed  to
complete  acquisitions,  the  availability of working capital needed to fund the
operations  of  acquired  businesses  and the effect of  existing  and  emerging
competition on operations.  Should additional  acquisitions be sought, there can
be no  assurance  that  the  Company  will  be  able  to  successfully  identify
additional suitable acquisition candidates,  complete additional acquisitions or
integrate acquired businesses into its operations.

     Amortization  of  Significant  Intangible  Assets.  Of the Company's  total
assets at September 30, 1997,  approximately $31.1 million (57%) were intangible
assets, of which  approximately  $14.8 million reflects goodwill (which is being
amortized  using an estimated  life ranging from 12 to 25 years),  approximately
$11.5 million  reflects the cost of patents  (which are being  amortized  over a
period ranging from 8 to 17 years),  and approximately $4.8 million reflects the
cost of licenses and technology acquired (which is being amortized over a period
ranging from 31 months to 12 years). Upon the Company's sale of its MEC and LSIA
subsidiaries in December 1997 (see "Recent Developments--Sale of MEC and LSIA"),
such intangible assets were reduced by approximately  $7.5 million.  Goodwill is
an intangible  asset that  represents the difference  between the total purchase
price of the acquisitions and the amount of such purchase price allocated to the
fair  value of the net  assets  acquired.  Goodwill  and other  intangibles  are
amortized  over a period of time,  with the  amount  amortized  in a  particular
period constituting a non-cash expense that reduces the Company's net income (or
increases  the  Company's  net loss) in that  period.  A reduction in net income
resulting from the  amortization  of goodwill and other  intangibles may have an
adverse impact upon the market price of the Company's Common Stock. In addition,
in the event of a sale or liquidation of the Company or its assets, there can be
no assurance that the value of such intangible assets would be recovered.

     In  accordance  with SFAS 121, the Company  reviews  intangible  assets for
impairment  whenever events or changes in circumstances,  including a history of
operating or cash flow losses, indicate that the carrying amount of an asset may
not be recoverable.  In such cases, the carrying amount of the asset is compared
to the estimated  undiscounted future cash flows expected to result from the use
of  the  asset  and  its  eventual  disposition.  If the  sum  of  the  expected
undiscounted future cash flows is less than the carrying amount of the asset, an
impairment  loss will be computed and  recognized in  accordance  with SFAS 121.
Expected cash flows are based on factors including  historical results,  current
operating  budgets  and  projections,  industry  trends  and  expectations,  and
competition.

     Year 2000 Concerns.  The Company believes that it has prepared its computer
systems and  related  applications  to  accommodate  date-sensitive  information
relating to the Year 2000. The Company expects that any additional costs related
to ensuring such systems to be Year 2000  compliant  will not be material to the

<PAGE>

financial condition or results of operations of the Company.  Such costs will be
expensed as incurred.  In addition,  the Company is discussing  with its vendors
and customers the possibility of any interface difficulties which may affect the
Company. To date, no significant concerns have been identified.  However,  there
can be no assurance  that no Year  2000-related  operating  problems or expenses
will  arise  with  the  Company's  computer  systems  and  software  or in their
interface  with the computer  systems and software of the Company's  vendors and
customers.

     Government  Regulation.  The Company's laser products are subject to strict
governmental  regulations  which  materially  affect  the  Company's  ability to
manufacture and market these products and directly impact the Company's  overall
prospects.  All laser devices to be marketed in interstate  commerce are subject
to the laser regulations required by the Radiation Control for Health and Safety
Act, as administered by the U.S. Food and Drug  Administration (the "FDA"). Such
Act  imposes   design  and   performance   standards,   labeling  and  reporting
requirements,  and submission conditions in advance of marketing for all medical
laser  products.  The Company's  laser systems  produced for medical use require
pre-market approval by the FDA before they can be marketed in the United States.
Each separate  medical device requires a separate FDA  submission,  and specific
protocols  have to be  submitted to the FDA for each claim made for each medical
device.  In addition,  laser  products  marketed in foreign  countries are often
subject to local laws governing health product  development  processes which may
impose  additional  costs for overseas product  development.  The Company cannot
determine  the costs or time it will take to complete the  approval  process and
the related clinical testing for its medical laser products.  Future legislative
or administrative requirements in the United States, or elsewhere, may adversely
affect the  Company's  ability to obtain or retain  regulatory  approval for its
laser products. The failure to obtain required approvals on a timely basis could
have a material adverse effect on the Company's  business,  financial  condition
and results of operations.

     The Company has completed clinical studies in Phase 2a and 2b for PRK. Such
data were presented to the FDA and on September 17, 1997 the Company was granted
permission  to expand into Phase 3 Myopic PRK studies.  The Phase 3 PRK clinical
investigation  is now under way. The Company is also  conducting a Phase 2 trial
for PARK  (Photo-Astigmatic  Refractive  Keratectomy).  The FDA has informed the
Company  that  it may  combine  the  results  from  all its  studies  in its PMA
application.  That  application  is being prepared for submission in early 1998.
The Company also has an Investigational Device Exemption approved by the FDA for
the treatment of glaucoma by laser trabeculodissection. The Company has recently
completed  a Phase 1 study in blind eyes and will  submit the results to the FDA
to request expansion into a small population of sighted glaucoma patients.

     The  Company  has  requested  a  510(k)  approval  from  the  FDA  for  its
recently-announced  ADK product.  The Company expects to receive a response from
the FDA in early 1998.

     Uncertainty    Concerning    Patents--International.    Should   LaserSight
Technologies'  lasers  infringe  upon  any  valid  and  enforceable  patents  in
international  markets,  then LaserSight  Technologies may be required to obtain
licenses for such  patents.  Should such  licenses  not be obtained,  LaserSight
Technologies  might be  prohibited  from  manufacturing  or marketing its PRK-UV
lasers  in  those  countries   where  patents  are  in  effect.   The  Company's
international  sales  accounted for 47% and 42%, of the Company's total revenues
during 1996 and the nine months ended  September  30, 1997,  respectively.  Such
percentages  are  expected  to  increase  in future  periods  as a result of the
Company's  recent  sales  of  its  MEC  and  LSIA   subsidiaries.   See  "Recent
Developments--Sale of MEC and LSIA."

     Uncertainty Concerning Patents--U.S. Should LaserSight Technologies' lasers
infringe upon any valid and enforceable patents held by Pillar Point Partners (a
partnership of which the general  partners are  subsidiaries  of Visx and Summit
Technologies)  in the U.S.,  then  LaserSight  Technologies  may be  required to

<PAGE>

obtain a license for such patents.  In connection with its March 1996 settlement
of litigation  with Pillar Point  Partners,  the Company agreed to notify Pillar
Point  Partners  before the Company  begins  manufacturing  or selling its laser
systems in the United States. Should such licenses be required but not obtained,
LaserSight  Technologies might be prohibited from manufacturing or marketing its
PRK-UV lasers in the U.S.

     Competition.   The  vision  correction  industry  is  subject  to  intense,
increasing  competition.  The Company  competes  against  both  alternative  and
traditional medical technologies (such as eyeglasses,  contact lenses and radial
keratotomy  ("RK"))  and  other  laser  manufacturers.  Many  of  the  Company's
competitors have existing  products and distribution  systems in the marketplace
and are  substantially  larger,  better financed,  and better known. A number of
lasers manufactured by other companies have either received, or are much further
advanced in the process of receiving, FDA approval for specific procedures, and,
accordingly,  may have or develop a higher level of  acceptance  in some markets
than the Company's lasers. The entry of new competitors into the markets for the
Company's  products could cause downward pressure on the prices of such products
and a material  adverse effect on Company's  business,  financial  condition and
results of operations.

     Technological Change.  Technological  developments in the medical and laser
industries  are  expected to continue at a rapid pace.  Newer  technologies  and
surgical  techniques could be developed which may offer better  performance than
the Company's  laser systems.  The success of any competing  alternatives to PRK
could  have a  material  adverse  effect on the  Company's  business,  financial
condition and results of operations.

     New  Products.  There  can  be no  assurance  that  the  Company  will  not
experience  difficulties that could delay or prevent the successful development,
introduction  and  marketing  of  its  new  LaserScan  LSX  excimer  laser,  its
recently-announced ADK product, and other new products and enhancements, or that
its new products and  enhancements  will be accepted in the  marketplace.  As is
typical in the case of new and rapidly  evolving  industries,  demand and market
acceptance for recently-introduced technology and products are subject to a high
level of uncertainty.  In addition,  announcements of new products  (whether for
sale in the near  future or at some  later  date) may cause  customers  to defer
purchasing existing Company products.

     Uncertainty of Market Acceptance of Laser-Based Eye Treatment.  The Company
believes that its  achievement of  profitability  and growth will depend in part
upon broad  acceptance of PRK or LASIK in the United States and other countries.
There can be no  assurance  that PRK or LASIK  will be  accepted  by either  the
ophthalmologists or the public as an alternative to existing methods of treating
refractive  vision  disorders.  The  acceptance of PRK and LASIK may be affected
adversely  by their cost,  possible  concerns  relating to safety and  efficacy,
general  resistance to surgery,  the effectiveness and lower cost of alternative
methods  of  correcting  refractive  vision  disorders,  the  lack of  long-term
follow-up data, the possibility of unknown side effects, the lack of third-party
reimbursement for the procedures,  any future  unfavorable  publicity  involving
patient outcomes from use of PRK or LASIK systems, and the possible shortages of
ophthalmologists  trained  in the  procedures.  The  failure  of PRK or LASIK to
achieve  broad market  acceptance  could have a material  adverse  effect on the
Company's business, financial condition and results of operations.

     International Sales. International sales may be limited or disrupted by the
imposition  of  government  controls,  export  license  requirements,  political
instability,  trade restrictions,  changes in tariffs,  difficulties in staffing
and coordinating  communications  among and managing  international  operations.
Additionally,  the Company's  business,  financial  condition and  international
results of  operations  may be  adversely  affected by  increases in duty rates,

<PAGE>

difficulties  in  obtaining  export  licenses,  ability to  maintain or increase
prices,  and  competition.  To date,  all sales  made by the  Company  have been
denominated in U.S. dollars.  Due to its export sales,  however,  the Company is
subject to currency exchange rate  fluctuations in the U.S. dollar,  which could
increase the price in local currencies of the Company's products.  This could in
turn result in longer  payment  cycles and greater  difficulty  in collection of
receivables. See "--Receivables" above. Although the Company has not experienced
any material  adverse effect on its  operations as a result of such  regulatory,
political and other  factors,  there can be no assurance  that such factors will
not have a material adverse effect on the Company's  operations in the future or
require the Company to modify its business practices.

     Potential  Product Liability Claims;  Limited  Insurance.  As a producer of
medical  devices,  the Company may face  liability  for damages to users of such
devices  in the event of  product  failure.  The  testing  and use of human care
products  entails an inherent risk of  negligence  or other action.  An award of
damages  in excess of the  Company's  insurance  coverage  could have a material
adverse  effect on the Company's  business,  financial  condition and results of
operations.  While the Company maintains product liability insurance,  there can
be no assurance that any such  liability of the Company will be included  within
its  insurance  coverage  or that  damages  will not  exceed  the  limits of its
coverage.  The Company's insurance coverage is limited to $6,000,000,  including
up to $5,000,000 of coverage under an excess liability policy.

     Manufacturing  Risks. The Company  contracts with third parties for certain
components  used in its lasers.  Several of these  components  are provided by a
single vendor.  If any of these  sole-source  suppliers were to cease  providing
components to the Company,  the Company would have to locate and contract with a
substitute  supplier,  and  there  can be no  assurances  that  such  substitute
supplier  could be located and  qualified  in a timely  manner or could  provide
required  components on  commercially  reasonable  terms. An interruption in the
supply of laser components could have a material adverse effect on the Company's
business, financial condition and results of operations.

     No  Backlog;  Concentration  of Sales at End of  Quarter.  The  Company has
historically  operated  with  little or no  backlog  because  its  products  are
generally shipped as orders are received. Historically, the Company has received
and shipped a  significant  portion of its orders for a particular  quarter near
the end of the quarter.  As a result,  the Company's  operating  results for any
quarter often depend on orders  received and laser systems  shipped late in that
quarter.  Any  delay  in such  orders  or  shipments  may  cause  a  significant
fluctuation in period-to-period operating results.


                                 USE OF PROCEEDS

     If all of the Series B Warrants (with an exercise price of $5.91 per share)
are  exercised,  the Company will realize  proceeds in the amount of $4,668,900.
Such proceeds will be contributed to the working capital of the Company and used
for general corporate  purposes.  The Company will not receive any proceeds from
any sale of the Shares by the Selling Shareholders.


                               RECENT DEVELOPMENTS

     Sale of MEC and LSIA.  On December 30,  1997,  the Company sold its MEC and
LSIA  subsidiaries  to Vision 21 in a  transaction  which  was  effective  as of
December  1,  1997.  The total  consideration  paid by Vision 21 to the  Company
consisted of $6.5  million in cash paid at the closing and 820,085  unregistered
shares of Vision 21 common stock,  subject to certain  post-closing  adjustments

<PAGE>

(such shares, the "Vision 21 Shares"). The Vision 21 Shares are to be liquidated
pursuant to the following schedule (or sooner, at Vision 21's option):


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


                     February........       21%

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

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

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

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


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

     Reduction in Foothill Borrowings. The Company used $2.0 million of its cash
proceeds  from the sale of MEC and LSIA to reduce the  principal  balance of the
Company's term loan with Foothill from $4.0 million to $2.0 million. The Company
used  approximately  $1.5 million of  additional  cash proceeds from the sale to
repay in full the  outstanding  balance under its  revolving  loan facility with
Foothill.

      Restructuring  of Foothill  Loan  Facility.  Effective  as of December 30,
1997, the Company has  restructured the terms of its agreements with Foothill as
follows: The maximum amount available under its revolving loan facility has been
reduced to $2.0 million.  In addition,  the Company pledged its Vision 21 Shares
to Foothill as collateral under the loan facility.  Moreover,  after the Company
has received  aggregate  gross proceeds of $2.5 million from the  liquidation of
the Vision 21 Shares, any additional proceeds must first be applied to repay the
Company's  term loan with  Foothill,  and any  further  proceeds  to retire  any
then-outstanding  advances under its revolving loan with Foothill. In any event,
the Company's  term loan and  revolving  loan are to be paid in full by June 15,
1998. Until June 16, 1998, Foothill has waived the Company's compliance with the
financial  covenants  contained  in  the  agreements  between  the  Company  and
Foothill.


<PAGE>


                                 CAPITALIZATION

     The following table sets forth (i) the actual capitalization of the Company
at September 30, 1997, (ii) the  capitalization  of the Company at such date, as
adjusted to reflect the redemption of 305 shares of Series B Preferred  Stock on
October  28,  1997 and (iii)  the pro forma  capitalization  of the  Company  at
September  30, 1997,  as adjusted to reflect the sale of the  Company's  MEC and
LSIA  subsidiaries on December 30, 1997. See "Recent  Developments--Sale  of MEC
and LSIA."

<TABLE>
<CAPTION>


                                                                                  September 30, 1997
                                                                                  ------------------

                                                                                                      Pro Forma
                                                                 Actual            As Adjusted       As Adjusted
                                                                 ------            -----------       -----------

<S>                                                           <C>                  <C>              <C>          
    Current portion of capital lease obligation               $   224,549          $   224,549      $          --
                                                              ===========          ===========      =============

    Long-term obligations                                     $   971,018          $   971,018        $   500,000
    Redeemable Convertible Preferred Stock, Series             
        B, par value $.001 per share; authorized 
        10,000,000 shares; actual 1,600 shares; as 
        adjusted and pro forma as adjusted 1,295 shares        14,374,027           11,633,978         11,633,978
    Stockholders' equity:
        Common Stock, par value $.001 per share                    
        authorized 20,000,000 shares; actual, as
        adjusted, and pro forma as adjusted
        10,149,872 shares                                          10,150               10,150             10,150
        Additional paid-in capital                             40,018,241           39,586,290         39,586,290
        Paid-in capital-warrants                                  592,500              592,500            592,500
        Stock subscription receivable                         (1,140,000)          (1,140,000)        (1,140,000)
        Accumulated deficit                                  (10,112,240)         (10,112,240)       (__,___,___)
        Treasury stock, actual, as adjusted, and               
        pro forma as adjusted 170,200 shares                    (632,709)            (632,709)          (632,709)
                                                            -------------        -------------       ------------
    Total capitalization and stockholders' equity           $  44,080,987        $  40,908,987                 $
                                                            =============        =============       ============
</TABLE>


<PAGE>


                            DESCRIPTION OF SECURITIES

     The following  description  of the Company's  capital stock is not complete
and is subject in all  respects to the  Delaware  General  Corporation  Law (the
"DGCL") and to the provisions of the Company's Certificate of Incorporation,  as
amended (the "Charter"), and By-Laws.

     The authorized  capital stock of the Company consists of 20,000,000  shares
of Common  Stock and  10,000,000  shares of  preferred  stock,  $.001 par value,
issuable in series. As of January 7, 1998, 9,984,672 shares of Common Stock were
outstanding  (not  including  shares  issuable upon the exercise of  outstanding
stock options or upon the conversion of outstanding preferred stock). As of such
date, the only shares of preferred  stock  outstanding  were 1,295 shares of the
Series B Preferred Stock.

Common Stock

     Holders of Common Stock are entitled to one vote for each share held on all
matters  submitted to a vote of stockholders  and do not have cumulative  voting
rights.  Accordingly,  holders  of a  majority  of the  shares of  Common  Stock
entitled to vote in any  election of  directors  may elect all of the  directors
standing for election. Holders of Common Stock are entitled to share pro rata in
such dividends and other distributions,  if any, as may be declared by the Board
of  Directors  out of funds  legally  available  therefor,  subject to any prior
rights  accruing to any holders of  preferred  stock.  Upon the  liquidation  or
dissolution  of the  Company,  the holders of Common Stock are entitled to share
proportionally in all assets available for distribution to such holders. Holders
of Common  Stock  have no  preemptive,  redemption  or  conversion  rights.  The
outstanding shares of Common Stock issued are fully paid and nonassessable.

     The transfer  agent and  registrar  for the Common Stock is American  Stock
Transfer & Trust Company.

Preferred Stock

     The Board of  Directors  is  authorized,  subject  to  certain  limitations
prescribed by law, without further stockholder  approval,  to issue from time to
time up to an aggregate of 10,000,000  shares of preferred  stock in one or more
series  and to fix or  alter  the  designations,  preferences,  rights  and  any
qualifications,  limitations or  restrictions of the shares of each such series,
including the dividend rights, dividend rates, conversion rights, voting rights,
terms of redemption  (including  sinking fund  provisions),  redemption price or
prices, liquidation preferences and the number of shares constituting any series
or  designations  of such series.  The rights,  preferences  and  privileges  of
holders of Common  Stock are subject to, and may be  adversely  affected by, the
rights of the  holders  of shares of any  series of  preferred  stock  which the
Company may designate and issue.

Series A Convertible Preferred Stock

     On January 10, 1996,  the Company issued 116 shares of Series A Convertible
Preferred Stock, par value $.001 per share (the "Series A Preferred Stock"). All
of such shares had been converted into Common Stock.
<PAGE>

Series B Convertible Participating Preferred Stock

     On August 29, 1997,  the Company  issued 1,600 shares of Series B Preferred
Stock. On October 28, 1997, the Company completed an optional  redemption of 305
of such shares by paying $3,172,000 (including a 4% redemption premium).

     The Series B Preferred Stock is convertible in whole or in part into Common
Stock at the  option of any  holder of Series B  Preferred  Stock on any date or
dates  until  August  29,  2000,  on which  date all  Series B  Preferred  Stock
remaining  outstanding will  automatically be converted into Common Stock. As of
any applicable  conversion  date, the Conversion  Price will equal the lesser of
$6.68 per share of Common Stock or the average of the three  lowest  closing bid
prices of the Common Stock during the 20 trading days preceding such  conversion
date (during the 30 trading days preceding the  conversion  date if the five-day
average  closing bid price of the Common Stock on February 25, 1998 is less than
$5.138 per share). If a conversion occurs when the Common Stock is not listed on
the Nasdaq  National  Market,  the American Stock Exchange or the New York Stock
Exchange, the otherwise-applicable Conversion Price will be multiplied by 0.93.

     Following  its  redemption  of 305  shares of Series B  Preferred  Stock in
October 1998,  the Company has the option (but only after its sale or license of
the IBM patents to third  parties  and  subject to the absence of any  mandatory
redemption   events  or  defaults  having  occurred,   and  subject  to  certain
procedures)  to redeem up to an additional  335 shares of the Series B Preferred
Stock  (for a total of 640  shares,  or 40% of the  number  issued)  for cash by
giving  notice  to the  holders  of the  Series  B  Preferred  Stock at least 10
business days before the redemption and, in any event, no later than January 12,
1998.  The  redemption  price  payable  by the  Company  in the  event of such a
voluntary  redemption  would  include a 14%  premium.  Dividends on the Series B
Preferred Stock are payable only to the extent that dividends are payable on the
Company's  Common  Stock.  Each  outstanding  share of Series B Preferred  Stock
entitles  the holder  thereof to a  liquidation  preference  equal to the sum of
$10,000 plus the amount of unpaid dividends, if any, accrued on such share.

     In addition,  the Series B Preferred  Stock is subject to redemption at the
option of its holders should the Company default on certain  obligations.  Under
these provisions, if for any reason the Company's shareholders do not approve by
February 28, 1998 the  possible  issuance of an  indefinite  number of shares of
Common Stock upon conversion of the Series B Preferred  Stock,  the Company will
be obligated to redeem,  at the Special  Redemption  Price (as defined below), a
number of shares of Series B Preferred  Stock  sufficient to cause the number of
Shares issuable after giving effect to such partial  redemption to equal no more
than 50% of the  number of  common  shares  that  could  then be issued  without
breaching the 1,995,534  share  limitation  resulting from a listing rule of the
Nasdaq National Market. For this purpose, the "Special Redemption Price" means a
cash payment equal to the greater of (i) the  liquidation  preference of $10,000
multiplied  by 125% or (ii) the  current  value of the Common  Stock,  using the
price per share of Common  Stock,  which the  holders of such shares of Series B
Preferred  Stock would  otherwise be entitled to receive upon  conversion.  Such
redemption  must be  completed  within  five  business  days of the event  which
required such  redemption.  Any delay in payment  beyond such five business days
will cause such redemption amount to accrue interest at the rate of 1% per month
during  the  first 30 days,  pro  rated  daily (2%  monthly,  pro  rated  daily,
thereafter).
<PAGE>

Delaware Law and Certain Charter Provisions

     The  Company  is  subject to the  provisions  of  Section  203 of the DGCL.
Subject to certain  exceptions,  Section 203 prohibits a publicly-held  Delaware
corporation  from  engaging  in a  "business  combination"  with an  "interested
stockholder"  for a period of three years after the date of the  transaction  in
which the  person  became  an  interested  stockholder,  unless  the  interested
stockholder attained such status with the approval of the corporation's board of
directors or unless the business combination is approved in a prescribed manner.
A "business  combination"  includes mergers,  asset sales and other transactions
resulting  in a financial  benefit to the  interested  stockholder  which is not
shared pro rata with the other  stockholders of the Company.  Subject to certain
exceptions,   an  "interested  stockholder"  is  a  person  who,  together  with
affiliates and associates, owns, or within three years did own, 15% or more of a
corporation's voting stock.

     The DGCL provides  generally that the affirmative vote of a majority of the
shares  entitled  to vote on any  matter is  required  to amend a  corporation's
certificate of incorporation or by-laws,  unless a corporation's  certificate of
incorporation or by-laws, as the case may be, requires a greater percentage.  In
addition,  the By-Laws of the Company may, subject to the provisions of DGCL, be
amended or repealed by a majority vote of the Company's Board of Directors.

     The Charter contains certain  provisions  permitted under the DGCL relating
to the liability of directors. These provisions eliminate a director's liability
for  monetary  damages  for a  breach  of  fiduciary  duty,  except  in  certain
circumstances  involving  certain  wrongful  acts,  such  as  the  breach  of  a
director's  duty of  loyalty  or acts or  omissions  which  involve  intentional
misconduct  or a knowing  violation  of law.  The  Charter  contains  provisions
indemnifying  the  directors  and officers of the Company to the fullest  extent
permitted by the DGCL. The Company also has a directors' and officers' liability
insurance  policy  which  provides  for  indemnification  of its  directors  and
officers against certain  liabilities  incurred in their capacities as such. The
Company believes that these provisions will assist the Company in attracting and
retaining qualified individuals to serve as directors.

Warrants

     In  connection  with the private  placement of Series A Preferred  Stock on
January 10, 1996, the Company  issued to its placement  agent and to an assignee
of the placement  agent,  the 1996 Warrants to purchase a total of 17,509 shares
of Common Stock at an exercise price of $13.25 per share.  The 1996 Warrants may
be exercised at any time through January 10, 1999.

     In connection  with the  establishment  of its Foothill  credit facility in
April 1997, the Company issued to Foothill warrants (the "Foothill Warrants") to
purchase  500,000  shares of Common  Stock at an  exercise  price of $6.0667 per
share. In addition,  the Foothill Warrants have certain  anti-dilution  features
which  provide for  approximately  50,000  additional  shares as a result of the
issuance of the Series B Preferred  Stock and a  corresponding  reduction in the
exercise price to $5.52 per share. The Foothill Warrants may be exercised at any
time after March 31, 1998 but prior to April 1, 2002.

     In connection with the 1997 Private Placement,  the Company agreed to issue
to the holders and the Placement Agent the Series B Warrants to purchase 750,000
and  40,000  Warrant  Shares at a price of $5.91  per  share at any time  before
August 29, 2002. The Company is obligated to maintain the  effectiveness  of the
registration of the Warrant Shares under the Securities Act.
<PAGE>


                              PLAN OF DISTRIBUTION

     Conversion  Shares.  The  Company  will issue  Conversion  Shares  upon the
conversion  from time to time of the  outstanding  shares of Series B  Preferred
Stock pursuant to the terms governing the Series B Preferred Stock.

     Warrant  Shares.  The Company will issue  Warrant  Shares from time to time
upon the exercise of the Series B Warrants by the holders  thereof.  The Company
will receive from such holders the exercise  price of the Series B Warrants upon
such exercise. The Series B Preferred Stock and Series B Warrants were issued by
the  Company  in a  private  placement  in  August  1997.  See  "Description  of
Securities."

     The Company will not receive any proceeds from the resale of the Shares.

     Pursuant  to this  Prospectus,  all or a portion  of the Shares may be sold
from time to time by the Selling Shareholders or, subject to certain conditions,
their pledgees, donees, transferees or other successors-in-interest,  including,
without limitation,  Bear, Stearns  International  Limited. The Company has been
advised by the Selling Shareholders that there are no underwriting  arrangements
with respect to the sale of Common Stock and that the Shares will be offered for
sale in transactions on The Nasdaq Stock Market,  in negotiated  transactions or
through a  combination  of both,  at prices  related to such  prevailing  market
prices at the time of sale, or at negotiated  prices.  The Selling  Shareholders
may effect such transactions by selling the Shares to or through broker-dealers,
and such  broker-dealers  may  receive  compensation  in the form of  discounts,
concessions or commissions from the Selling  Shareholders  and/or the purchasers
of the  Shares for which  such  broker-dealers  may act as agent or to whom they
sell as  principal,  or both (which  compensation  may be in excess of customary
commissions).  In addition,  any  securities  covered by this  Prospectus  which
qualify  for sale  pursuant  to Rule 144 may be sold under Rule 144 rather  than
pursuant to this Prospectus.

     In  order  to  comply  with  the  securities  laws of  certain  states,  if
applicable,  the  Shares  will  be  sold  in  such  jurisdictions  only  through
registered or licensed brokers or dealers.

     The Selling  Shareholders and any broker-dealer who acts in connection with
the resale of the Shares hereunder,  may be deemed to be an "underwriter" within
the meaning of Section 2(11) of the Securities Act, and any commissions received
by them and/or profit on any resale  thereof as principal  might be deemed to be
underwriting discounts and commissions under the Securities Act.

     Under applicable  rules and regulations  under the Exchange Act, any person
engaged  in the  distribution  of the shares  may not  simultaneously  engage in
market  making  activities  with respect to the Common Stock for a period of one
business day prior to the  commencement  of such  distribution.  In addition and
without  limiting the  foregoing,  the Selling  Shareholders  will be subject to
applicable  provisions  of the  Exchange  Act  and  the  rules  and  regulations
thereunder,  including,  without limitation,  Regulation M. These provisions may
limit the timing of purchases and sales of shares of Common Stock by the Selling
Shareholders.

     A supplement to this Prospectus will be filed, if required, to disclose (i)
the name of the  participating  broker-dealer(s),  (ii)  the  number  of  Shares
involved,  (iii) the price at which such Shares were sold,  (iv) the commissions
paid  or  discounts  or  concessions  allowed  to such  broker-dealer(s),  where
applicable, and (v) other facts material to the transaction,  including the name
and other information regarding the Selling Shareholders.
<PAGE>

     The Company is required to maintain the  effectiveness  of the Registration
Statement  until  such  time  as all of the  Shares  have  been  disposed  of in
accordance   with  the  intended   methods  of  disposition  set  forth  in  the
Registration  Statement or the Shares are no longer  subject to volume or manner
of sale restrictions under the securities laws.

                              SELLING SHAREHOLDERS

     The  following  table sets forth  certain  information  with  regard to the
beneficial  ownership of Series B Preferred  Stock by the Selling  Shareholders,
the  beneficial  ownership  of Common Stock by the Selling  Shareholders  (where
indicated by footnote,  on a pro forma basis as if all 1,295 outstanding  shares
of Series B Preferred  Stock had been  converted into Common Stock as of January
8, 1998),  and the number of shares of Common Stock to be offered by the Selling
Shareholders  (also on a pro forma basis where indicated).  The actual number of
shares  of  Common  Stock  beneficially  owned or  offered  may vary and will be
reflected in a supplement to this Prospectus. See "The Offering."
<TABLE>
<CAPTION>

                                                                                     
                                                                                           
                                                                                                  
                                                     Common Stock                               Common Stock  
                                Shares of          Beneficially Owned                         Beneficially Owned  
                                Preferred        Prior to the Offering       Shares of        After the Offering
                                  Stock          ---------------------        Common          ------------------
                                Presently      Conversion        Warrant       Stock        Number       Percent of
   Selling Shareholder          Owned (1)       Shares(1)       Shares(2)    to be Sold    of Shares    Outstanding*
   -------------------          ---------       ---------       ---------    ----------    ---------    ------------
<S>                                <C>          <C>              <C>         <C>              <C>            <C>     
   CC Investments, LDC             404          1,452,584        234,375     1,686,959        --             --
   Societe Generale                243            873,708        140,625     1,014,333        --             --
   Shepherd Investments            324          1,164,944        187,500     1,352,444        --             --
        International, Ltd.
   Stark International             324          1,164,944        187,500     1,352,444        --             --
   Harlan P. Kleiman               N/A                 --         26,516        26,516        --             --
   Robert K. Schacter              N/A                 --          8,188         8,188        --             --
   Thomas J. Griesel               N/A                 --          1,416         1,416        --             --
   Steven Lamar                    N/A                 --          3,880         3,880        --             --
<FN>

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

  *  Without giving effect to any exercise of the Series B Warrants.

 (1)   As of the date of this  Prospectus,  no  Selling  Shareholder  owned  any
       shares of Common Stock. The number of Conversion  Shares indicated is the
       pro forma number that would have been owned by a Selling  Shareholder  if 
       it had  converted  all of its  shares of Series B  Preferred  Stock  into
       Common Stock as of January 8, 1998,  without  giving effect to the NASDAQ
       20% Limit. The actual number of Conversion  Shares to be received by such
       Selling  Shareholder,  which may be  significantly  more or less than the
       number indicated,  will be reflected in a supplement to (or amendment of)
       this  Prospectus  following  the  conversion  of such  Series B Preferred
       Stock.

  (2)  Assumes  the  exercise in full by such Selling  Shareholder  its Series B
       Warrants. See "Description of Securities--Warrants."
</FN>
</TABLE>



<PAGE>


                                  LEGAL MATTERS

     The  legality  of the Shares  offered  hereby has been  passed upon for the
Company by Sonnenschein Nath & Rosenthal, Chicago, Illinois.

                                     EXPERTS

     The  consolidated  financial  statements  of  LaserSight  Incorporated  and
subsidiaries  as of December  31, 1996 and for each of the years in the two-year
period  then  ended  have  been  incorporated  herein  by  reference  and in the
Registration  Statement  in reliance  upon the report of KPMG Peat  Marwick LLP,
independent  certified public accountants,  incorporated by reference herein and
in the  Registration  Statement  upon the  authority  of said firm as experts in
accounting and auditing.

     The  consolidated  financial  statements  of  LaserSight  Incorporated  and
subsidiaries for the year ended December 31, 1994 have been incorporated  herein
and in the Registration Statement in reliance upon the report of Lovelace,  Roby
& Company,  P.A.,  independent  certified  public  accountants,  incorporated by
reference  herein and in the  Registration  Statement upon the authority of said
firm as experts in accounting and auditing.

                              AVAILABLE INFORMATION

     The Company  has filed with the SEC a  Registration  Statement  on Form S-3
(together with any amendments thereto,  the "Registration  Statement") under the
Securities Act with respect to the Shares offered hereby. This Prospectus, which
constitutes a part of the  Registration  Statement,  does not contain all of the
information set forth in the Registration Statement,  certain items of which are
contained in schedules and exhibits to the  Registration  Statement as permitted
by the rules of the SEC. For further information with respect to the Company and
the Shares,  reference is made to the  Registration  Statement  and the exhibits
thereto.  Statements  contained  in this  Prospectus  as to the  contents of any
contract or any document referred to are not necessarily complete.  With respect
to each such contract or other document filed as an exhibit to the  Registration
Statement,  reference is made to the exhibit for a more complete  description of
the matters  involved,  and each such statement shall be deemed qualified in its
entirety by such reference.

     The Company is subject to the  informational  requirements  of the Exchange
Act and, in accordance therewith,  files periodic reports,  proxy statements and
other information with the SEC. A copy of the Registration Statement,  including
exhibits and  schedules  thereto,  filed by the Company with the SEC, as well as
other reports,  proxy statements and other  information filed by the Company may
be inspected  without  charge at the office of the SEC, 450 Fifth Street,  N.W.,
Washington,  D.C.,  and at the  following  Regional  Offices of the SEC: 7 World
Trade Center, Suite 1300, New York, New York, and 500 West Madison Street, Suite
1400, Chicago,  Illinois.  Copies of such material can be obtained, upon payment
of prescribed fees at the Public  Reference Room of the SEC at 450 Fifth Street,
N.W.,  Washington,  D.C.  20549.  The SEC  maintains  a Web site  that  contains
reports,  proxy  and  information  statements  and other  information  regarding
registrants that file  electronically  with the SEC. The address of such site is
http://www.sec.gov.   Such  reports,  proxy  statements  and  other  information
concerning  the Company  can also be  inspected  at the offices of the  National
Association of Securities Dealers, Inc., 1735 "K" Street, N.W., Washington, D.C.
20006.


<PAGE>


                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS


Item 14.  Other Expenses of Issuance and Distribution

     SEC registration fee..........................................  $  8,320.11
     Legal fees and expenses.......................................    40,000.00
     Accountants' fees.............................................    20,000.00
     Miscellaneous.................................................     1,679.89
                                                                     -----------
                                                                              
         Total.....................................................  $ 70,000.00
                                                                     ===========
     ---------------------------------------


     The foregoing items, except for the SEC registration fee, are estimated.


Item 15.  Indemnification of Directors and Officers

     Section  145  of  the  Delaware   General   Corporation  Law  authorizes  a
corporation  to indemnify its directors and officers as well as other  employees
and individuals in terms sufficiently broad to permit such indemnification under
certain  circumstances  for liabilities  (including  reimbursement  for expenses
incurred)  arising  under the  Securities  Act.  In  addition,  pursuant  to the
authority of Delaware law, the Certificate of Incorporation,  as amended, of the
Company  also  eliminates  this  monetary  liability of directors to the fullest
extent permitted by Delaware law.

     The Company maintains directors' and officers' liability insurance policies
covering  certain  liabilities of persons  serving as officers and directors and
providing  reimbursement  to the  Registrant  for  its  indemnification  of such
persons.

Item 16.  Exhibits

     The exhibit index set forth on page II-3 of this Registration  Statement is
hereby incorporated herein by reference.



<PAGE>


                                                    
                                   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  Form  S-3 and  has  duly  caused  this  Amendment  to
Registration  Statement to be filed on its behalf by the undersigned,  thereunto
duly authorized in the County of St. Louis, State of Missouri,  this 9th day of
January, 1998.

                                  LASERSIGHT INCORPORATED

                                  By: /s/ Gregory L. Wilson
                                     -----------------------------
                                      Gregory L. Wilson, Chief Financial Officer


     Pursuant to the  requirements of the Securities Act of 1933, this Amendment
to  Registration  Statement  has been  signed by the  following  persons  in the
capacities on the dates indicated.



/s/ Michael R. Farris*                                           January 9, 1998
- ------------------------------------------------
Michael R. Farris, President, Chief Executive
Officer, and Director

/s/ Francis E. O'Donnell, Jr., M.D.*                             January 9, 1998
- ------------------------------------------------
Francis E. O'Donnell, Jr., M.D., Chairman of the
Board and Director

/s/ J. Richard Crowley*                                          January 9, 1998
- ------------------------------------------------
J. Richard Crowley, Director

                                                                 January _, 1998
- ------------------------------------------------                 
Terry A. Fuller, Ph.D., Director

/s/ Richard C. Lutzy*                                            January 9, 1998
- ------------------------------------------------
Richard C. Lutzy, Director

/s/ David T. Pieroni*                                            January 9, 1998
- ------------------------------------------------
David T. Pieroni, Director

/s/ Thomas Quinn*                                                January 9, 1998
- ------------------------------------------------
Thomas Quinn, Director                                          

/s/ Gregory L. Wilson                                            January 9, 1998
- ------------------------------------------------
Gregory L. Wilson, Chief Financial Officer
(Principal financial and accounting officer)
- ---------------------

*/   By: /s/ Gregory L. Wilson
        ----------------------------------------
         (Gregory L. Wilson, as Attorney-in-Fact)

<PAGE>


                                INDEX TO EXHIBITS


Exhibit
  No.                     Description
  ---                     -----------

 5.1     Opinion of Sonnenschein Nath & Rosenthal.
23.1     Consent of KPMG Peat Marwick LLP.*
23.2     Consent of Lovelace, Roby & Company, P.A.*
23.3     Consent of Sonnenschein Nath & Rosenthal (see Exhibit 5.1).
24.1     Powers of Attorney.*
- ------------------------------------

*    Previously filed.



                          SONNENSCHEIN NATH & ROSENTHAL
                                8000 SEARS TOWER
                             CHICAGO, ILLINOIS 60026

                               Jacques K. Meguire
                                 (312) 876-8169
                                January 12, 1998






LaserSight Incorporated
12161 Lackland Road
St. Louis, Missouri  63146

Gentlemen:

         We have  acted  as  counsel  to  LaserSight  Incorporated,  a  Delaware
corporation (the "Company"),  in connection with the registration by the Company
under  the  Securities  Act of  1933  (the  "Act")  pursuant  to  the  Company's
Registration  Statement  on  Form  S-3  (File  No.  333-36655)  filed  with  the
Securities and Exchange  Commission (the "Commission") on September 29, 1997, as
amended by  Amendment  No. 1 thereto  filed on  November  20,  1997,  as further
amended by Amendment  No. 2 thereto  filed with the  Commission  on December 15,
1997,  and as further  amended by Amendment  No. 3 thereto  filed or to be filed
with the  Commission  on or about the date of this  letter (as so  amended,  the
"Registration  Statement")  of an  aggregate  of up to  10,102,358  shares  (the
"Shares") of the Company's  common stock, par value $.001 per share (the "Common
Stock") issued or issuable from time to time by the Company as follows:

         (i)      an  aggregate  of up to  9,312,358  shares  issuable  upon the
                  conversion (such shares, the "Conversion Shares") from time to
                  time  of the  Company's  Series  B  Convertible  Participating
                  Preferred  Stock,  par value  $.001 per share  (the  "Series B
                  Preferred Stock"); and

         (ii)     up to  790,000  shares  (the  "Warrant  Shares"  and  with the
                  Conversion Shares,  collectively,  the "Shares") issuable upon
                  the exercise of outstanding  warrants to purchase Common Stock
                  (such warrants, the "Series B Warrants") issued by the Company
                  in  connection  with the  private  placement  of the  Series B
                  Preferred Stock in August 1997.

         In connection with this opinion,  we have examined originals or copies,
certified or otherwise  identified to our  satisfaction,  of the  Certificate of
Incorporation of the Company, as amended to date (the "Certificate"); the Waiver
Agreements  dated on or about  December 24, 1997 between the Company and each of

<PAGE>

LaserSight Incorporated
January 12, 1998
Page 2


the holders of record of Series B Preferred Stock;  the letter  agreements dated
December 24, 1997 and January 7, 1998 between the Company and Societe  Generale;
the  preliminary  proxy statement as filed by the Company with the Commission on
December 22, 1997 (the "Preliminary Proxy Statement"); the proposed amendment to
the Certificate  described in the Preliminary  Proxy Statement (the "Amendment")
that, upon its approval by the holders of a majority of the  outstanding  shares
of Common Stock and its filing with,  and  acceptance by, the Secretary of State
of the State of  Delaware,  would  increase the number of  authorized  shares of
Common Stock from 20,000,000 to 40,000,000;  various resolutions of the Board of
Directors of the Company,  and such  agreements,  instruments,  certificates  of
public officials and others, and such other documents, certificates and records,
and  have  made  such  other  investigations,  as we have  deemed  necessary  or
appropriate as a basis for the opinions set forth herein.

         We  have  assumed  the  legal  capacity  of all  natural  persons,  the
genuineness of all signatures, the authenticity of all documents submitted to us
as originals, the conformity to original documents of all documents submitted to
us as certified or photostatic  copies and the  authenticity of the originals of
such  latter  documents.  In making our  examination  of  documents  executed by
parties other than the Company, we have assumed that such parties had the power,
corporate and otherwise,  to enter into and perform their respective obligations
thereunder and have also assumed the due  authorization by all requisite action,
corporate and otherwise,  and the execution and delivery by such parties of such
documents and the validity and binding effect thereof.  As to any facts material
to the opinions expressed herein, we have relied upon oral or written statements
and  representations  of officers and other  representatives  of the Company and
others.

         We note that (i) the Certificate  authorizes the company to issue up to
20,000,000  shares of  Common  Stock,  (ii) the  Certificate  provides  that the
Company shall not issue more than 1,995,534 Conversion Shares and Warrant Shares
in the aggregate  without the prior  approval of the holders of the Common Stock
as  required by the rules of the  National  Association  of Securities  Dealers,
Inc. (the "20% NASDAQ Limit"), and (iii) the Certificate requires the Company to
authorize  and reserve  for  issuance an  aggregate  of not less than  3,750,000
Conversion   Shares  and  Warrant  Shares  and  to  take  all  necessary  action
(including,  if necessary,  the obtaining of shareholder  approval) to authorize
the issuance of additional  Common Stock in the event that such 3,750,000  share
number shall ever become less than 175% of the  aggregate  number of  Conversion
Shares and Warrants Shares then issuable.

<PAGE>

LaserSight Incorporated
January 12, 1998
Page 3


         Based upon and subject to the foregoing, we are of the opinion that:

                  (i) an aggregate of 1,995,534  Shares has been duly authorized
         for issuance  upon the  conversion  of the Series B Preferred  Stock in
         accordance  with  the  Certificate,  or the  exercise  of the  Series B
         Warrants in accordance with the terms thereof, as applicable, and will,
         when so issued,  will be validly issued,  fully paid and nonassessable;
         and

                  (ii) upon the approval by the  shareholders  of the Company of
         the  elimination  of  the  20%  NASDAQ  Limit  as  contemplated  by the
         Preliminary  Proxy  Statement,  an aggregate of 3,750,000 Shares (which
         number  includes the number  referenced  in clause (i) above) will have
         been duly  authorized  for issuance upon the conversion of the Series B
         Preferred Stock in accordance with the Certificate,  or the exercise of
         the  Series B  Warrants  in  accordance  with  the  terms  thereof,  as
         applicable, and will, when so issued, be validly issued, fully paid and
         nonassessable; and

                  (iii) upon the approval by the  shareholders of the Company of
         both the  Amendement and the  elimination  of the 20% NASDAQ Limit,  as
         contemplated by the Preliminary Proxy Statement,  and the filing of the
         Amendment  with,  and its  acceptance by, the Secretary of State of the
         State of Delaware,  an aggregate of  10,102,358  Shares  (which  number
         includes  the  numbers  referenced  in clauses (i) and (ii) above) will
         have been duly  authorized  for  issuance  upon the  conversion  of the
         Series B Preferred  Stock in accordance  with the  Certificate,  or the
         exercise of the Series B Warrants in accordance with the terms thereof,
         as applicable,  and will, when so issued, be validly issued, fully paid
         and nonassessable.

<PAGE>

LaserSight Incorporated
January 12, 1998
Page 4


         We hereby  consent to the filing of this opinion with the Commission as
Exhibit 5.1 to the Registration  Statement.  We also consent to the reference to
our firm under the caption "Legal  Matters" in the  prospectus  contained in the
Registration  Statement.  We do not, in giving such  consent,  admit that we are
within the category of persons whose consent is required  under Section 7 of the
Act.



                                             Very truly yours,

                                        SONNENSCHEIN NATH & ROSENTHAL



                                        By: /s/ Jacques K. Meguire
                                           --------------------------
                                             Jacques K. Meguire




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