Examination of other family members my reveal elevated discs or disc drusen. Retinitis pigmentosa is rarely associated with disc drusen. Disc drusen may compress the nerve fibers causing visual field loss. Visual field loss progresses very slowly and affects the inferior nasal field most commonly. Central field loss could rarely occur secondary to hemorrhages from sub-macular fibrovascular membrane, ischemic disc infarction, arterial occlusions.
Diagnosis is aided by observation of autofluoresnce of the disc.
Dye injection is not necessary. Ophthalmolgoy consultation recommended follow-up every 6 months. 1989 Vol 2, Chap 5, p 21-2. Nanjiani M. Fluorescein Angiography Technique, Interpretation, and Application.