Table 1

Comparison of the clinical and ophthalmological findings in the two affected sibs of family M-68

RE, right eye; LE, left eye; N, normal.
Onset (years)
    Night blindness2–32–3
    Visual field constriction2425
    Decreased visual acuity3040
Ophthalmic examination at age 40
    Visual acuityRE 8/10RE 8/10
LE 5/10LE 8/10
    Visual fieldRE/LE: peripheral constrictionRE/LE: loss of upper visual field
    FundusRE/LE: pale disc, arteriolar constriction, paravascular bone spicule pigmentationRE/LE: pale disc, arteriolar constriction, bone spicule pigmentation
    MaculaRE: NRE: N
LE: macular holeLE: N
    ElectroretinogramRE/LE: extinguishedRE/LE: extinguished