Pigmented Paravenous Chorioretinal Atrophy, also known as pigmented paravenous retinochoroidal atrophy, is related to leber congenital amaurosis 4 and macular retinal edema. An important gene associated with Pigmented Paravenous Chorioretinal Atrophy is CRB1 (Crumbs Cell Polarity Complex Component 1). Affiliated tissues include eye and bone, and related phenotypes are esotropia and hypermetropia