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July 1978

X-linked Ocular Albinism in Blacks: Ocular Albinism Cum Pigmento

Author Affiliations

From the Wilmer Ophthalmological Institute, Department of Pathology, Johns Hopkins Medical Institutions, Baltimore. Dr Hambrick is now with the Department of Dermatology, University of Cincinnati Medical Center.

Arch Ophthalmol. 1978;96(7):1189-1192. doi:10.1001/archopht.1978.03910060023005

• X-linked ocular albinism can be an unsuspected cause of congenital nystagmus in blacks. In this study, eight of ten black ocular albinos from two kindreds had nonalbinotic, moderately pigmented fundi and no transillumination of the iris. We refer to this paradoxical condition as "ocular albinism cum pigmento." The only constant ophthalmoscopic feature was a foveal hypoplasia. Biopsy of clinically normal skin to demonstrate giant pigment granules is the most accurate means of diagnosis.

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