Table 1
Data showing the clinical results of visual acuity, colour vision, field analysis, and funduscopy from selected family members. The colour vision was tested for monocular and binocular tritan (blue-yellow), deutan (green), and protan (red) defects which were scored out of 10 plates
| Snellen visual acuity | Centrocaecal field defect | Temporal pallor | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Individual | Age (years) | Age of onset (years) | RE | LE | RE | LE | City University binocular score | RE | LE |
| Y = Yes; N = No. *Classified as affected from clinical tests alone. | |||||||||
| I:1* | 73 | – | 6/18 | 6/18 | N | N | Tritan | Y | Y |
| II:3* | 50 | 14 | 6/12 | 6/18 | Y | Y | Tritan | Y | Y |
| II:5* | 49 | 20 | 6/12 | 6/36 | Y | Y | Tritan | Y | Y |
| II:7 | 48 | – | 6/6 | 6/6 | N | N | Normal | N | N |
| II:8 | 50 | – | 6/6 | 6/6 | N | N | Normal | N | N |
| III:2* | 28 | – | 6/18 | 6/18 | Y | Y | Generalised | Y | Y |
| III:3* | 23 | 7 | 6/36 | 6/18 | Y | Y | Generalised | Y | Y |
| III:4* | 19 | 12 | 6/18 | 6/12 | Y | Y | Normal | Y | Y |
| III:7* | 6 | 5.5 | 6/12 | 6/9 | N | N | Generalised | Y | Y |
