Macular Degeneration, Atrophic, X-Linked, also known as macular degeneration, x-linked atrophic, is related to retinitis pigmentosa 17 and joubert syndrome 21. An important gene associated with Macular Degeneration, Atrophic, X-Linked is RPGR (Retinitis Pigmentosa GTPase Regulator), and among its related pathways/superpathways are Organelle biogenesis and maintenance and Bardet-Biedl syndrome. Affiliated tissues include retina, and related phenotypes are reduced visual acuity and macular degeneration