Oculocutaneous albinism type 1B (OCA1B) is a type of OCA1 characterized by skin and hair hypopigmentation, nystagmus, reduced iris and retinal pigment and misrouting of the optic nerves. The disease is Monarch Disease Ontology identifier MONDO_0011749 (oculocutaneous albinism type 1B). Also known as: OCA1B, Yellow oculocutaneous albinism, albinism, Yellow mutant type, oculocutaneous albinism, Amish type, platinum oculocutaneous albinism.