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March 1987

Optic Nerve Avulsion

Author Affiliations

Albany, NY
Chapel Hill, NC

Arch Ophthalmol. 1987;105(3):322-323. doi:10.1001/archopht.1987.01060030036014

To the Editor.  —The occurrence and recognition of acute partial or total optic nerve avulsions have been documented in the literature since 1901.1 The mechanisms postulated for these events remain unclear despite recent techniques for evaluation, including fluorescein angiography, ocular ultrasonography, computed tomography, orbital and cranial arteriography, neurosurgical exploration, and postmortem dissection. There have only been ten reports in the recent literature in which an acute traumatic event led to partial or total optic nerve avulsions; all of these conditions were studied by fluorescein angiography.2-4We report herein a case of partial optic nerve avulsion in which the diagnosis was difficult because the acute causative event was not readily identified.

Report of a Case.  —An 18-year-old man was referred for evaluation of a right optic disc anomaly thought to represent an optic nerve pit or coloboma, a combined hamartoma of the retinal pigment epithelium, or optic atrophy of

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