<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q
FOR THE THREE AND SIX MONTHS ENDED SEPTEMBER 30, 2000 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                   6-MOS                   6-MOS
<FISCAL-YEAR-END>                          MAR-31-2001             MAR-31-2000             MAR-31-2001             MAR-31-2000
<PERIOD-START>                             JUL-01-2000             JUL-01-1999             APR-01-2000             APR-01-1999
<PERIOD-END>                               SEP-30-2000             SEP-30-1999             SEP-30-2000             SEP-30-1999
<CASH>                                       1,234,727               1,581,381<F2>                   0                       0
<SECURITIES>                                         0                       0<F2>                   0                       0
<RECEIVABLES>                                  956,922               1,235,590<F2>                   0                       0
<ALLOWANCES>                                   104,000                 156,000<F2>                   0                       0
<INVENTORY>                                  1,234,700               1,278,084<F2>                   0                       0
<CURRENT-ASSETS>                             3,633,086               4,015,798<F2>                   0                       0
<PP&E>                                       3,537,855               3,407,114<F2>                   0                       0
<DEPRECIATION>                               2,971,413               2,846,318<F2>                   0                       0
<TOTAL-ASSETS>                               4,305,140               4,907,930<F2>                   0                       0
<CURRENT-LIABILITIES>                        2,002,073               1,993,444<F2>                   0                       0
<BONDS>                                        151,244                       0<F2>                   0                       0
<PREFERRED-MANDATORY>                                0                       0<F2>                   0                       0
<PREFERRED>                                          0                       0<F2>                   0                       0
<COMMON>                                       209,333                 209,010<F2>                   0                       0
<OTHER-SE>                                   1,942,490               2,705,476<F2>                   0                       0
<TOTAL-LIABILITY-AND-EQUITY>                 4,305,140               4,907,930<F2>                   0                       0
<SALES>                                      1,706,969               1,855,393               3,286,625               3,356,565
<TOTAL-REVENUES>                                     0                       0                       0                       0
<CGS>                                        1,110,905               1,382,413               2,273,641               2,671,555
<TOTAL-COSTS>                                        0                       0                       0                       0
<OTHER-EXPENSES>                               865,089               1,751,554<F3>           2,116,452<F4>           3,724,043<F5>
<LOSS-PROVISION>                                     0                       0                       0                       0
<INTEREST-EXPENSE>                                   0                       0                       0                       0
<INCOME-PRETAX>                              (248,585)             (1,251,627)             (1,060,131)             (2,976,475)
<INCOME-TAX>                                         0                       0                       0                       0
<INCOME-CONTINUING>                                  0                       0                       0                       0
<DISCONTINUED>                                       0                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                 (248,585)             (1,251,627)             (1,060,131)             (2,976,475)
<EPS-BASIC>                                      (.01)                   (.06)                   (.05)                   (.15)
<EPS-DILUTED>                                    (.01)                   (.06)                   (.05)                   (.15)
<FN>
<F2>AMOUNTS ARE AS OF MARCH 31, 2000 - AUDITED
<F3>INCLUDES 931,000 EQUITY IN LOSSES OF 3DV
<F4>INCLUDES 222,553 EQUITY IN LOSSES OF 3DV
<F5>INCLUDES 2,022,000 EQUITY IN LOSSES OF 3DV
</FN>


</TABLE>