A 12-year-old male presented us with the painless, progressive diminution of vision in both eyes of last 4-5 years duration which was associated with photophobia, and involuntary eye movements. There was no family history of similar complaints. Best-corrected visual acuity in both eyes was 20/200. Pendular nystagmus and alternating esotropia of 30° was noted. Anterior and posterior segment pictures are attached [Figures 1-3].

A 12-year-old male presented us with the painless, progressive diminution of vision in both eyes of last 4-5 years duration which was associated with photophobia, and involuntary eye movements. There was no family history of similar complaints. Best-corrected visual acuity in both eyes was 20/20...