Leber Congenital Amaurosis 2, also known as lca2, is related to pathologic nystagmus and retinal disease. An important gene associated with Leber Congenital Amaurosis 2 is RPE65 (Retinoid Isomerohydrolase RPE65), and among its related pathways/superpathways are Visual phototransduction and Ciliary landscape. Affiliated tissues include retina and eye, and related phenotypes are nystagmus and reduced visual acuity