Table 3 Neurosensory binocular vision outcomes three months after implantation

Simultaneous perception

Subjective squint angle (°)

0.4 ± 3.6

2.1 ± 3.6

1.8 ± 3.6

0.176

Objective squint angle (°)

0.4 ± 3.6

2.1 ± 3.6

1.8 ± 3.6

0.176

Fusion

Fusion point (°)

0.0 ± 3.7

2.0 ± 3.5

1.3 ± 3.3

0.110

Convergence (°)

15.9 ± 8.3

13.5 ± 9.2

14.3 ± 7.6

0.546

Divergence (°)

5.4 ± 1.2

4.8 ± 1.7

5.3 ± 1.2

0.233

Fusion range (°)

21.3 ± 8.5

18.3 ± 10.3

19.6 ± 8.2

0.459

Stereoscopic vision (far)

Good (≤ 63″)

12 (40.0%)^b,c

3 (12.5%)^a

5 (14.7%)^a

0.020*

Moderate (≤ 200″)

11 (36.7%)

15 (62.5%)

14 (41.2%)

0.156

Poor (> 200″)

7 (23.3%)

6 (25.0%)

15 (44.1%)

0.148

Value (log arcsec)

2.12 ± 0.43^c

2.23 ± 0.41

2.42 ± 0.45^a

0.012*

Stereoscopic Vision (near)

Good (≤ 63″)

3 (10.0%)

7 (29.2%)^c

3 (8.8%)^b

0.077

Moderate (≤ 200″)

20 (66.7%)

13 (54.2%)

19 (55.9%)

0.606

Poor (> 200″)

7 (23.3%)

4 (16.7%)

12 (35.3%)

0.270

Value (log arcsec)

2.28 ± 0.40

2.10 ± 0.39^c

2.38 ± 0.51^b

0.039*