Table 2 The deviation angles and visual function in two groups preoperatively and postoperatively

 Distant

39.62 ± 12.48

2.92 ± 2.15^a

40.05 ± 8.72

4.00 ± 2.51^a

 Near

37.88 ± 11.06

−0.27 ± 2.52^a

39.00 ± 9.54

0.50 ± 2.26^a

 Simultaneous perception

16 (61.54)

24 (92.31)^a

12 (60.00)

18 (90.00)^a

 Fusion

10 (38.46)

21 (80.77)^a

6 (30.00)

12 (60.00)

 Stereopsis

5 (19.23)

20 (76.92)^a

3 (15.00)

9 (45.00)^ab

 Central stereopsis

5 (19.23)

22 (84.62)^a

3 (15.00)

11 (55.00)^ab

 Peripheral stereopsis

 Stereo blindness

13 (50.00)

2 (7.69)^a

12 (60.00)

3 (15.00)^a