Retinitis is related to retinitis pigmentosa 2 and retinitis pigmentosa 7. An important gene associated with Retinitis is RPGR (Retinitis Pigmentosa GTPase Regulator), and among its related pathways/superpathways are Ciliopathies and Visual Cycle in Retinal Rods. The drugs Ganciclovir and Cidofovir have been mentioned in the context of this disorder. Affiliated tissues include retina and bone marrow, and related phenotypes are nervous system and pigmentation