a pattern of well-demarcated retinal pigment epithelial atrophy associated with choriocapillary layer and photoreceptor atrophy leading to vision loss.
ge·o·grap·hic ret·i·nal at·ro·phy
(jē'ŏ-graf'ik ret'i-năl at'rŏ-fē) A pattern of well-demarcated retinal pigment epithelial atrophy associated with choriocapillary layer and photoreceptor atrophy leading to vision loss.