Clinical manifestation

Three forms:

OCA1: complete absence of pigment in the skin, hair, and eyes; photophobia; reduced visual acuity; and nystagmus OCA2: minimal to moderate pigment in the skin, hair, and eyes; in some patients, pig-mented freckles, lentigines, and/or nevi; photophobia; reduced visual acuity; and nystagmus

OCA3: minimal pigment reduction in the skin, hair, and eyes; mild photophobia; reduced visual acuity; and nystagmus

Ocular albinism: ocular depigmentation and iris translucency; motor nystagmus; reduced visual acuity; fundus hypopigmen-tation

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