Type 1 minimal pigment oculocutaneous albinism (OCA1-MP) is an extremely rare form of OCA1 with minimal pigment present, characterized by blond hair, variable iris transillumination, visual acuity ranging from 20/80-20/200 and white skin, with or without skin nevi. The disease is minimal pigment oculocutaneous albinism type 1 (Monarch Disease Ontology entry MONDO_0018136). Also known as: MP OCA type 1, OCA1-MP.