Congenital Hypertrophy of Retinal Pigment Epithelium

Solitary or multiple, discrete round or oval-shaped, flat, gray to black-pigmented lesions composed of hypertrophied retinal pigment epithelium, lined by degenerated photoreceptor layer. It is congenital, benign, and asymptomatic.

Common abbreviation for congenital hypertrophy of the retinal pigment epithelium is CHRPE. When lesions are multiple and grouped together, they are described as “bear tracks.”