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Visual fields assayed by Goldmann perimetry in patient II-1. A–C: Visual fields at the age of 11 years (A), at the age of 16 years (B), and at the age of 22 years (C). Markedly constricted visual fields (V-4e and I-4e isopters) are observed in both eyes, and the visual fields become constricted as the patient ages.
