Expressions of TNF-?,IL-2 and NGF in tears before and after laser in situ keratomileusis / 上海第二医科大学学报

0.05).Expressions of IL-2 in tears significantly decreased 1 d,1 week and 1 month after LASIK(P0.05).Compared with the expression of NGF in tears before operation,those of 1 d,1 week,1 month and 3 months after LASIK were significantly increased(P