Retinitis Pigmentosa, X-Linked, and Sinorespiratory Infections with or Without Deafness, is also known as retinitis pigmentosa, x-linked, and sinorespiratory infections, with or without deafness. An important gene associated with Retinitis Pigmentosa, X-Linked, and Sinorespiratory Infections with or Without Deafness is RPGR (Retinitis Pigmentosa GTPase Regulator). Affiliated tissues include bone.