Oculocerebrocutaneous syndrome (OCCS) is a rare congenital disorder associated with an intellectual disability and is typically characterized by the triad of eye, central nervous system and skin malformations. The disease is Monarch Disease Ontology identifier MONDO_0008108 (oculocerebrocutaneous syndrome). Also known as: Delleman syndrome, Delleman-Oorthuys syndrome, Leichtman-Wood-Rohn syndrome, OCCS, orbital cyst with cerebral and focal dermal malformations.