Comparison of the clinical and ophthalmological findings in the two affected sibs of family M-68
| Patient | II.1 | II.6 |
|---|---|---|
| RE, right eye; LE, left eye; N, normal. | ||
| Onset (years) | ||
| Night blindness | 2–3 | 2–3 |
| Visual field constriction | 24 | 25 |
| Decreased visual acuity | 30 | 40 |
| Ophthalmic examination at age 40 | ||
| Visual acuity | RE 8/10 | RE 8/10 |
| LE 5/10 | LE 8/10 | |
| Biomicroscopy | N | N |
| Visual field | RE/LE: peripheral constriction | RE/LE: loss of upper visual field |
| Fundus | RE/LE: pale disc, arteriolar constriction, paravascular bone spicule pigmentation | RE/LE: pale disc, arteriolar constriction, bone spicule pigmentation |
| Macula | RE: N | RE: N |
| LE: macular hole | LE: N | |
| Electroretinogram | RE/LE: extinguished | RE/LE: extinguished |