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Melanocytoma of the Optic Nerve Associated With Sound-Induced Phosphenes
Arch Ophthalmol. 2006;124:273-277.
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Melanocytomas of the optic disc are benign tumors that most often remain asymptomatic and stable in size. However, these tumors can occasionally result in severe vision loss. One such case is described herein with the unusual associated symptom of sound-induced phosphenes.
Report of a Case
A 54-year-old white man sought care because of 5 months of blurred vision and decreased peripheral vision in the left eye. He was found to have a pigmented lesion on the left optic nerve and referred for further evaluation. He had no history of eye disease and his medical history was noncontributory.
On examination, his visual acuity was 20/20 OD and 20/32 OS. The pupils were symmetrical with no afferent pupillary defect. Intraocular pressures were 20 mm Hg OD and 21 mm Hg OS. There was no ocular melanocytosis. The right fundus appeared normal. A 2.5 x 2-mm darkly pigmented lesion obscured most of the left optic disc (. . . [Full Text of this Article]
Comment
AUTHOR INFORMATION
Ivana K. Kim, MD;
Thaddeus P. Dryja, MD;
Simmons Lessell, MD;
Evangelos S. Gragoudas, MD
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