Nevus of Ota. This rare dyschromia is characterized by a persistent bluish-gray discoloration of the skin around the eye. The proliferation of melanocytes in the upper dermis may extend to the forehead, malar area, and nose. Ocular involvement always includes the sclera, as in this patient, and sometimes the iris, conjunctiva, and optic disc. Nevus of Ota is considered a benign dermatosis, but melanoma on the ipsilateral side has been known to occur.
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