EXHIBIT 11
                             LASERSIGHT INCORPORATED
                        COMPUTATION OF PER SHARE EARNINGS
             THREE AND NINE MONTHS ENDED SEPTEMBER 30, 1999 AND 1998


 <TABLE>
<CAPTION>
                                                                 Three Months Ended                 Nine Months Ended
                                                                   September 30,                     September 30,
                                                                1999            1998              1999            1998
                                                                ----            ----              ----            ----
BASIC
<S>                                                             <C>                <C>             <C>             <C>
    Weighted average shares outstanding                         $17,455,000        12,935,000      15,691,000      11,969,000
                                                               ============      ============    ============    ============

    Net loss                                                     (3,022,500)       (2,149,930)     (9,793,526)     (5,864,310)
      Conversion discount on preferred stock                             --                --              --        (858,872)
      Preferred stock accretion and dividend requirements                --                --              --      (2,751,953)
                                                               ------------      ------------    ------------    ------------
    Loss attributable to common shareholders                    $(3,022,500)       (2,149,930)     (9,793,526)     (9,475,135)
                                                               ============      ============    ============    ============

    Basic loss per share                                        $     (0.17)            (0.17)          (0.62)          (0.79)
                                                               ============      ============    ============    ============

 DILUTED
    Weighted average shares outstanding                          17,455,000        12,935,000      15,691,000      11,969,000
                                                               ============      ============    ============    ============

    Net loss                                                    $(3,022,500)       (2,149,930)     (9,793,526)     (5,864,310)
      Conversion discount on preferred stock                             --                --              --        (858,872)
      Preferred stock accretion and dividend requirements                --                --              --      (2,751,953)
                                                               ------------      ------------    ------------    ------------
    Loss attributable to common shareholders                    $(3,022,500)       (2,149,930)     (9,793,526)     (9,475,135)
                                                               ============      ============    ============    ============

    Diluted loss per share                                      $     (0.17)            (0.17)          (0.62)          (0.79)
                                                               ============      ============    ============    ============


    Loss attributable to common shareholders, above             $(3,022,500)       (2,149,930)     (9,793,526)     (9,475,135)
                                                               ============      ============    ============    ============

    Additional adjustment to weighted average number of shares:
    Weighted average number of shares as adjusted per
      above                                                      17,455,000        12,935,000      15,691,000      11,969,000
    Dilutive effect of contingently issuable shares, stock
      options, warrants and convertible preferred stock           5,646,000         4,407,000       5,566,000       1,913,000
                                                               ------------      ------------    ------------    ------------
    Weighted average number of shares, as adjusted               23,101,000        17,342,000      21,257,000      13,882,000
                                                               ============      ============    ============    ============

    Diluted loss per share, adjusted  (A)                       $     (0.13)            (0.12)          (0.46)          (0.68)
                                                               ============      ============    ============    ============

</TABLE>


 (A)  - This  calculation  is submitted in accordance  with  Regulation S-K item
        601(b)(11)  although it is contrary to paragraph 13-14 of SFAS 128
        because it produces an anti-dilutive result.