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[Nevus of Ota. Apropos of a bilateral case].

A case of bilateral congenital oculodermal melanocytosis is reported. Ota's naevus is characterized by benign melanosis of the skin of the face in the area supplied by the first (and second) branch of the trigeminal nerve. This is associated with ipsilateral pigmentation of the episclera++, uveal tract, conjonctiva and fundus. The condition is usually unilateral, occurring mainly in the dark races (black races and orientals). Eighty percent of patients are women. It is very rarely potentially malignant, this occurring most frequently in white races and when only ocular (and not oculodermal) melanocytosis is present.