MYOC and Leber congenital amaurosis: The more common IRDs include Retinitis Pigmentosa (RP), Choroideremia, Leber congenital amaurosis (LCA), Usher syndrome, Congenital stationary night blindness (CSNB), Vitelliform macular dystrophy, Stargardt Macular Dystrophy, Best disease, Retinoschisis, cone-rod dystrophy and myocilin-based hereditary forms of open angle glaucoma (see www.sph.uth.tmc.edu/retnet/ for details of disorders, causative genes and mutations).