Retinitis Pigmentosa 71, also known as rp71, is related to short-rib thoracic dysplasia 6 with or without polydactyly and vas deferens, congenital bilateral aplasia of. An important gene associated with Retinitis Pigmentosa 71 is IFT172 (Intraflagellar Transport 172), and among its related pathways/superpathways is 2q37 copy number variation syndrome. Affiliated tissues include retina and eye, and related phenotypes are nyctalopia and optic disc pallor