Case number | Age (years) | Snellen acuity right eye | Snellen acuity left eye | Stereoacuity (sec of arc) | Foveal hypoplasia | Fundal hypopigmentation | Iris transillumination | Nystagmus | Manifest squint | Cutaneous albinism | Abnormal flash VEP | Right eye latency difference (ms) | Left eye latency difference (ms) | Mean latency difference (ms) | Amplitude asymmetry index |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 6 | 6/6 | 6/6 | 120 | − | − | − | − | No | No | No | 0 | 1 | 1 | 0.0 |
2 | 5 | 6/24 | 6/6 | 120 | − | − | − | − | No | No | – | 4 | 2 | 3 | 0.1 |
3 | 8 | 6/5 | 6/5 | – | − | + | − | − | No | No | No | −7 | −2 | −4 | 0.2 |
4 | 5 | 6/6 | 6/6 | 110 | − | + | − | − | No | No | No | 13 | −13 | 0 | 0.4 |
5 | 5 | 6/9 | 6/9 | 210 | − | − | − | + | No | No | No | 14 | −2 | 6 | 0.0 |
6 | 9 | 6/6 | 6/9 | 6000 | − | − | − | + | Yes | No | No | 43 | 9 | 26 | 0.8 |
7 | 11 | 6/36 | 6/18 | Nil | − | − | − | + | No | No | No | 45 | 36 | 41 | 0.5 |
8 | 22 | 6/18 | 1/36 | – | − | + | + | − | – | No | No | 0 | −3 | −2 | 0.4 |
9 | 6 | 6/12 | 6/12 | 110 | − | + | + | + | No | No | No | 6 | −7 | −1 | −0.2 |
10 | 4 | 6/18 | 6/12 | 550 | − | + | + | + | No | No | Yes | −9 | 14 | 2 | 1.0 |
11 | 9 | 6/36 | 6/36 | 6000 | + | − | − | + | Yes | Yes | Yes | 60 | 59 | 59 | 1.5 |
12 | 15 | 6/6 | 6/6 | Nil | + | + | − | − | Yes | Yes | Yes | 6 | 7 | 7 | 0.5 |
13 | 4 | 6/24 | 6/24 | Nil | + | + | + | − | Yes | No | No | 18 | −7 | 6 | 0.6 |
14 | 6 | 6/12 | 6/9 | 6000 | + | + | + | − | Yes | Yes | No | −6 | 7 | 1 | 0.4 |
15 | 4 | 6/12 | 6/12 | 120 | + | + | + | − | No | No | No | 3 | 16 | 10 | 0.2 |
16 | 8 | 6/9 | 6/9 | 110 | + | + | + | − | No | No | No | 36 | 25 | 30 | 1.5 |
17 | 7 | 6/18 | 6/12 | 240 | + | + | + | − | Yes | Yes | No | 14 | 29 | 22 | 1.1 |
18 | 12 | 6/12 | 6/12 | 6000 | + | + | + | − | Yes | No | Yes | 35 | 46 | 41 | 1.0 |
19 | 14 | 6/12 | 6/18 | 6000 | + | + | + | − | Yes | No | Yes | 60 | 57 | 58 | 1.1 |
20 | 6 | 6/36 | 6/36 | Nil | + | + | − | + | Yes | Yes | Yes | 46 | 18 | 32 | 0.9 |
21 | 10 | 6/24 | 6/18 | 6000 | + | + | − | + | No | No | No | 9 | 8 | 8 | 1.1 |
22 | 10 | 6/9 | 6/12 | Nil | + | + | + | + | No | Yes | No | 13 | 22 | 17 | 0.5 |
23 | 6 | 6/24 | 6/24 | Nil | + | + | + | + | Yes | No | Yes | 19 | 49 | 34 | 0.6 |
24 | 13 | 6/24 | 6/24 | Nil | + | + | + | + | Yes | No | Yes | 35 | 31 | 33 | 1.1 |
25 | 18 | 3/60 | 3/60 | Nil | + | + | + | + | – | Yes | No | 61 | 60 | 60 | 1.6 |
26 | 7 | 6/12 | 6/12 | 6000 | + | + | + | + | Yes | No | Yes | 37 | 28 | 33 | 1.3 |
27 | 10 | 6/12 | 6/12 | Nil | + | + | + | + | Yes | Yes | Yes | 39 | 5 | 22 | 1.7 |
28 | 17 | 2/60 | 4/60 | Nil | + | + | + | + | No | No | Yes | 52 | 54 | 53 | 1.6 |
29 | 30 | 6/36 | 6/36 | 6000 | + | + | + | + | No | No | No | 54 | 50 | 52 | 1.3 |
30 | 4 | 6/60 | 6/60 | Nil | + | + | + | + | Yes | Yes | No | 57 | 2 | 29 | 1.0 |
31 | 4 | 6/12 | 6/18 | 6000 | + | + | + | + | Yes | Yes | Yes | 33 | 43 | 38 | 1.6 |
32 | 7 | 6/9 | 6/12 | 6000 | + | + | + | + | Yes | No | No | 33 | 56 | 44 | 1.0 |
33 | 16 | 6/18 | 6/18 | – | + | + | + | + | No | No | No | 63 | 59 | 61 | 1.2 |
34 | 2 | 6/60 | 6/60 | Nil | + | + | + | + | Yes | No | Yes | 47 | −19 | 14 | 0.9 |
35 | 11 | 6/36 | 6/24 | 6000 | + | + | + | + | Yes | Yes | Yes | 24 | 14 | 19 | 1.7 |
36 | 13 | 6/36 | 6/36 | Nil | + | + | + | + | Yes | No | Yes | 37 | 42 | 40 | 1.7 |
37 | 38 | 6/36 | 6/36 | Nil | + | + | + | + | Yes | Yes | No | 63 | 64 | 63 | 0.9 |
38 | 5 | 6/12 | 6/12 | Nil | + | + | + | + | Yes | No | Yes | 39 | 27 | 33 | 1.0 |
39 | 19 | 6/36 | 6/36 | – | + | + | + | + | No | No | No | 73 | 84 | 78 | 1.1 |
40 | 4 | 6/18 | 6/36 | Nil | + | + | + | + | Yes | No | Yes | 66 | 45 | 55 | 1.0 |