Albinism, Oculocutaneous, Type Ib, also known as oca1b, is related to albinism, oculocutaneous, type ia and oculocutaneous albinism. An important gene associated with Albinism, Oculocutaneous, Type Ib is TYR (Tyrosinase), and among its related pathways/superpathways are Regulation of expression of SLITs and ROBOs and Prader-Willi and Angelman syndrome. The drugs Nitisinone and Enzyme Inhibitors have been mentioned in the context of this disorder. Affiliated tissues include skin and eye, and related phenotypes are abnormality of retinal pigmentation and strabismus