Hereditary Choroidal Atrophy, also known as hereditary choroidal dystrophy, is related to choroideremia and choroidal dystrophy, central areolar, 1. An important gene associated with Hereditary Choroidal Atrophy is PRPH2 (Peripherin 2), and among its related pathways/superpathways are Olfactory Signaling Pathway and Visual phototransduction. Affiliated tissues include eye and retina, and related phenotypes are vision/eye and pigmentation