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. 2010 Nov 4;3(2):102–106. doi: 10.1016/S1888-4296(10)70014-5

Table 2.

Mean tear flow rate (MTFR) for the different groups of age and gender

Age group in years Initial mean tear flow rates for (IMTFR)
Mean tear flow rate (MTFR) with 2 % pilocarpine for
Mean tear flow rate with 4 % pilocarpine for
Females Males Females Males Females Males
10-20 14.00 ± 1.12 14.48 ± 0.7 14.32 ± 2.31 15.80 ± 0.82 15.21 ± 2.92 16.63 ± 0.97
21-30 13.00 ± 1.08 13.68 ± 1.91 14.56 ± 1.27 15.25 ± 1.60 15.61 ± 1.38 16.00 ± 1.67
31-40 13.88 ± 1.09 13.93 ± 1.07 15.14 ± 1.46 14.92 ± 1.50 16.04 ± 1.88 15.71 ± 1.47
41-50 12.50 ± 0.71 12.60 ± 1.57 13.88 ± 0.177 14.50 ± 1.58 14.25 ± 0.35 15.55 ± 2.02
Total MTFR 13.48 ± 1.34 13.94 ± 1.22 14.45 ± 1.35 14.96 ± 1.62 15.26 ± 1.66 15.82 ± 1.45