Table 3 Preoperative and postoperative visual acuity of the two groups

0.81 ± 0.31

0.78 ± 0.28

0.684

0.27 ± 0.20^*

0.31 ± 0.22^*

0.427

0.55 ± 0.25

0.63 ± 0.25

0.227

0.08 ± 0.09^*

0.10 ± 0.08^*

0.386