Retinitis Pigmentosa 74, also known as rp74, is related to bardet-biedl syndrome 13 and chronic interstitial cystitis. An important gene associated with Retinitis Pigmentosa 74 is BBS2 (Bardet-Biedl Syndrome 2), and among its related pathways/superpathways are Ciliary landscape and Bardet-Biedl syndrome. Affiliated tissues include retina and eye, and related phenotypes are reduced visual acuity and rod-cone dystrophy