It was found that 19 eyes (19/28) had VA improved more than 2 lines in standard logarithm visual acuity test chart , 6 eyes (6/28) had an improvement of more than 1 line and the rest (3/28) remained unchanged.

• 结果 :本组 19只 (19/ 2 8)眼激光治疗后 5米标准对数视力表视力提高两行或两行以上 ; 6只眼 (6/ 2 8)视力提高一行 ;