Main clinical features
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slowly progressive vitreoretinal degeneration
characterised by a peripheral retinal circumferential hyperpigmented band, punctuate white retinal opacities, fibrillar condensation of the vitreous, vascular abnormalities and neovascularisation
developmental anomaly of the anterior segment predisposing to angle closure glaucoma, early adult-onset cataract, and typical fundus appearance of a broad post-oral circumferential band of atrophy and pigmentation
abnormal electro-oculogram (EOG) light rise |