temperature-sensitive oculocutaneous albinism type 1 (Monarch Disease Ontology term MONDO_0018137) can be described as follows. Type 1 temperature sensitive oculocutaneous albinism (OCA1-TS) is an extremely rare form of OCA1 characterized by the production of temperature sensitive tyrosinase proteins leading to dark hair on the legs, arms and chest (cooler body areas) and white hair on the scalp, axilla and pubic area (warmer body areas). Also known as: OCA1-TS, TS OCA type 1.