Monarch Disease Ontology identifier MONDO_0013468 (retinitis pigmentosa 59) is any retinitis pigmentosa in which the cause of the disease is a mutation in the DHDDS gene. Also known as: DHDDS retinitis pigmentosa, RP59, congenital disorder of glycosylation, type 1bb, retinitis pigmentosa caused by mutation in DHDDS, retinitis pigmentosa type 59.