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A type of Oculocutaneous albinism with varying degrees of skin and hair hypopigmentation, numerous ocular changes and misrouting of the optic nerves at the chiasm. Cutaneous hypopigmentation is often visible at birth and signs of nystagmus and strabismus present in the first year of life. Visual changes are not progressive. Caused by mutations in the membrane-associated transporter protein (MATP) gene, SLC45A2, encoding a transporter protein which is thought to mediate melanin synthesis. Inheritance is autosomal recessive.
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