oculocutaneous albinism type 1 temperature-sensitive oculocutaneous albinism type 1 UMLS:C1847132 GARD:0017530 MONDO:0018137 Orphanet:352737 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). TS OCA type 1 OCA1-TS MEDGEN:337736