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Judith E. A. Warner, MD; Simmons Lessell, MD; Joseph F. Rizzo III, MD; Nancy J. Newman, MD

Arch Ophthalmol. 1997;115(11):1408-1410.

Abstract
Objective
To determine whether characteristics of optic nerve swelling assist in distinguishing between optic neuritis and anterior ischemic optic neuropathy.

Method
Optic nerve stereophotograph review by masked observers.

Results
Altitudinal swelling, pallor, arterial attenuation, and hemorrhage are found more commonly in anterior ischemic optic neuropathy than in optic neuritis.

Conclusion
Optic disc appearance does help to distinguish anterior ischemic optic neuropathy from optic neuritis, although there are overlapping features.

Author Affiliations
From the University of Utah Health Sciences Center, Salt Lake City (Dr Warner); Harvard Medical School, Boston, Mass (Drs Lessell and Rizzo); and Emory University School of Medicine, Atlanta, Ga (Dr Newman).

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