Retinitis Pigmentosa 90, also known as rp90, is related to psychosexual disorder and peyronie's disease. An important gene associated with Retinitis Pigmentosa 90 is IDH3A (Isocitrate Dehydrogenase (NAD(+)) 3 Catalytic Subunit Alpha), and among its related pathways/superpathways is SUMOylation of transcription cofactors. Affiliated tissues include retina and bone, and related phenotypes are nyctalopia and constriction of peripheral visual field