The same RPE65 gene is also involved in the development of the following retinal dystrophies: Leber Congenital Amaurosis (LCA), Retinitis Pigmentosa (RP), Bardet Biedel (BBS), Congenital Stationary Night Blindness (CSNB) and Usher Syndrome (USH). Here, RPE65 is linked to Bardet-Biedl syndrome.