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January 1991

Spontaneous Collapse of a Primary Iris Cyst Associated With an Iris Nevus

Author Affiliations

Ann Arbor, Mich

Arch Ophthalmol. 1991;109(1):21-22. doi:10.1001/archopht.1991.01080010023015

Primary iris cysts are unusual ocular abnormalities that may be congenital. We describe a primary iris cyst associated with an iris nevus that spontaneously collapsed within a 1-year followup period.

Report of a Case.  —A 13-year-old white boy was seen on February 21, 1989, for evaluation of a pigmented iris lesion. The patient had no previous history of ocular surgery or trauma and had not been receiving topical medications. Visual acuity was 20/20 OU. Intraocular pressures and dilated fundus examination results were normal. Slit-lamp examination of the right eye was unremarkable. Slit-lamp examination of the left eye revealed a flat, pigmented lesion occupying a portion of the nasal iris. A focal area of increased pigmentation was present in the adjacent anterior chamber angle by gonioscopy. A round, pigmented iris cyst extending from the