Table 1.
Probands | Parents | |||||||||||
Best-corrected VA | Foveal hypoplasia6 7 | |||||||||||
ID | Gender | Age (at examination) |
BE | RE | LE | VA test | Nystagmus | Iris transillumination defect2 |
VEP | Foveal hypoplasia6 7 | Mother | Father |
1 | M | 5 | 0.275 | 0.45 | 0.275 | Crowded Kay Pictures | Present | Grade 1 | NT | Grade 1a | Grade 1a | N |
2 | F | 4 | 0.85 | 0.85 | 0.95 | Crowded Keeler | Present | Grade 4 | Misrouting | Grade 3 | N | N |
3 | F | 15 | 0.18 | 0.18 | 0.18 | Crowded Keeler | Present | Grade 2 | Misrouting | Grade 2 | N | NT |
4 | M | 5 | 0.625 | 0.75 | 0.825 | Crowded Kay Pictures | Present | Grade 3 | Misrouting | Grade 3 | Grade 1b | N |
5 | F | 21 | 0.6 | 0.78 | 0.6 | Crowded Keeler | Present | Grade 3 | Misrouting | Grade 4 | N | NT |
6 | F | 22 | 0.6 | 0.78 | 0.6 | Crowded Keeler | Present | Grade 2 | Misrouting | Grade 3 | N | Grade 1a |
7 | F | 13 | 0.34 | 0.4 | 0.4 | Crowded Keeler | Present | Grade 2 | NT | Grade 4 | N | N |
8 | M | 13 | 0.6 | 0.64 | 0.74 | Crowded Keeler | Present | Grade 2 | Misrouting | Grade 3 | N | NT |
9 | M | 22 | 0.48 | 0.6 | 0.48 | Crowded Keeler | Present | Grade 3 | NT | Grade 3 | NT | N |
10 | M | 24 | 0.48 | 0.6 | 0.6 | Crowded Keeler | Present | Grade 3 | Misrouting | Grade 3 | Grade 1a | N |
11 | M | 5 | 0.9 | 0.085 | 0.9 | Crowded Kay Pictures | Present | Grade 3 | Inconclusive | Grade 3 | Grade 1b | N |
12 | F | 10 | 1.2 | 1.2 | 1.28 | Crowded Keeler | Present | Grade 3 | Misrouting | Grade 4 | Grade 1a | N |
13 | F | 4 | 0.7 | 0.8 | 0.75 | Crowded Kay Pictures | Present | Grade 4 | NT | Grade 3 | Grade 1a | N |
14 | F | 3 | 0.6 | NT | NT | Crowded Kay Pictures | Present | Grade 1 | Inconclusive | Grade 4 | N | Grade 1a |
15 | M | 9 | 0.78 | 0.78 | 0.78 | Crowded Keeler | Present | Grade 2 | NT | Grade 4 | N | N |
16 | M | 3 | 0.55 | 0.7 | 0.575 | Crowded Kay Pictures | Present | Grade 2 | NT | Grade 3 | Grade 1a | N |
BE, both eyes; F, female; LE, left eye; M, male; N, normal; NT, not tested; RE, right eye; VA, visual acuity in logMAR; VEP, visual evoked potentia.