<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
VISION-SCIENCES, INC. 10-Q FOR THE THREE MONTHS ENDED DECEMBER 31, 1998 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0000894237
<NAME> VISION-SCIENCES, INC
       
<S>                             <C>                     <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   3-MOS                   9-MOS                   9-MOS
<FISCAL-YEAR-END>                          MAR-31-1999             MAR-31-1998             MAR-31-1999             MAR-31-1998
<PERIOD-START>                             OCT-01-1998             OCT-01-1997             APR-01-1998             APR-01-1997
<PERIOD-END>                               DEC-31-1998             DEC-31-1997             DEC-31-1998             DEC-31-1997
<CASH>                                       3,647,919               1,897,905<F1>                   0                       0
<SECURITIES>                                         0                 993,146<F1>                   0                       0
<RECEIVABLES>                                1,604,225               1,556,285<F1>                   0                       0
<ALLOWANCES>                                   126,000                 117,000<F1>                   0                       0
<INVENTORY>                                    886,071                 681,106<F1>                   0                       0
<CURRENT-ASSETS>                             6,146,735               5,098,164<F1>                   0                       0
<PP&E>                                       3,382,985               3,285,872<F1>                   0                       0
<DEPRECIATION>                               2,721,297               2,399,602<F1>                   0                       0
<TOTAL-ASSETS>                               9,724,515               6,171,817<F1>                   0                       0
<CURRENT-LIABILITIES>                        2,482,661               2,355,299<F1>                   0                       0
<BONDS>                                              0                       0<F1>                   0                       0
<PREFERRED-MANDATORY>                                0                       0<F1>                   0                       0
<PREFERRED>                                          0                       0<F1>                   0                       0
<COMMON>                                       192,110                 166,430<F1>                   0                       0
<OTHER-SE>                                   6,246,360               3,650,088<F1>                   0                       0
<TOTAL-LIABILITY-AND-EQUITY>                 9,724,515               6,171,817<F1>                   0                       0
<SALES>                                      1,942,554<F2>           2,007,583<F3>           5,784,350<F4>           5,694,957<F5>
<TOTAL-REVENUES>                                     0<F2>                   0<F3>                   0<F4>                   0<F5>
<CGS>                                        1,652,325<F2>           1,970,531<F3>           4,763,085<F4>           5,027,158<F5>
<TOTAL-COSTS>                                        0<F2>                   0<F3>                   0<F4>                   0<F5>
<OTHER-EXPENSES>                               785,962<F2>           1,073,360<F3>           2,321,053<F4>           3,472,292<F5>
<LOSS-PROVISION>                                     0<F2>                   0<F3>                   0<F4>                   0<F5>
<INTEREST-EXPENSE>                                   0<F2>                 399<F3>                   0<F4>                 399<F5>
<INCOME-PRETAX>                              (434,428)<F2>         (1,006,471)<F3>         (1,149,366)<F4>         (2,523,110)<F5>
<INCOME-TAX>                                         0<F2>                   0<F3>                   0<F4>                   0<F5>
<INCOME-CONTINUING>                                  0<F2>                   0<F3>                   0<F4>                   0<F5>
<DISCONTINUED>                                       0<F2>                   0<F3>                   0<F4>                   0<F5>
<EXTRAORDINARY>                                      0<F2>                   0<F3>                   0<F4>                   0<F5>
<CHANGES>                                            0<F2>                   0<F3>                   0<F4>                   0<F5>
<NET-INCOME>                                 (434,428)<F2>         (1,006,471)<F3>         (1,149,366)<F4>         (2,523,110)<F5>
<EPS-PRIMARY>                                    (.02)<F2>               (.07)<F3>               (.06)<F4>               (.17)<F5>
<EPS-DILUTED>                                        0                       0                       0                       0
<FN>
<F1>  AMOUNTS ARE AS OF MARCH 31, 1998
<F2>  AMOUNTS ARE FOR THE 3 MONTHS ENDED DEC 31, 1998
<F3>  AMOUNTS ARE FOR THE 3 MONTHS ENDED DEC 31, 1997
<F4>  AMOUNTS ARE FOR THE 9 MONTHS ENDED DEC 31, 1998
<F5>  AMOUNTS ARE FOR THE 9 MONTHS ENDED DEC 31, 1997
</FN>
        

</TABLE>