NIH oculocutaneous albinism NIH U.S. National Library of Medicine defect of melanin production NIH – Ocular Albinism http://www.nlm.nih.gov/medlineplus/ency/article/001479.htm defect of melanin production online NIH – Ocular Albinism oculocutaneous albinism MedlinePlus http://www.nlm.nih.gov/medlineplus/ency/article/001479.htm Albinism defect of melanin production U.S. National Library of Medicine Albinism Albinism: MedlinePlus Medical Encyclopedia online Albinism - MedicinePlus Medical Encyclopedia