Monarch Disease Ontology id MONDO_0013446 (Leber congenital amaurosis 6) is any Leber congenital amaurosis in which the cause of the disease is a mutation in the RPGRIP1 gene. Also known as: LCA6, Leber congenital amaurosis caused by mutation in RPGRIP1, Leber congenital amaurosis type 6, RPGRIP1 Leber congenital amaurosis.