Retinitis Pigmentosa 89, also known as rp89, is related to pigmented paravenous chorioretinal atrophy and senior-loken syndrome 1. An important gene associated with Retinitis Pigmentosa 89 is KIF3B (Kinesin Family Member 3B), and among its related pathways/superpathways are Bardet-Biedl syndrome and Ciliopathies. Related phenotypes are hepatic fibrosis and bicuspid aortic valve