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(20)

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Abstract #28072 Published in IGR 13-1

Optic disk excavation in nonarteritic anterior ischemic optic neuropathy

Punjabi OS; Tanna AP; Rosenberg MA
Journal of Glaucoma 2011; 20: 71-73

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Most ischemic optic neuropathies are attributed to interference of blood flow originating within the posterior ciliary circulation. In patients with the most common type of ischemic optic neuropathy, nonarteritic anterior ischemic optic neuropathy (NAION), the microvascular ischemia predominantly affects the intraocular portion of the optic nerve. NAION most commonly occurs in eyes with small, "crowded" optic disks and usually does not result in optic disk excavation. We report a patient who presented with NAION and subsequently developed optic disc excavation typical of glaucomatous optic neuropathy.

A. P. Tanna. Department of Ophthalmology, Northwestern University Feinberg School of Medicine, 645 N. Michigan Ave., Chicago, IL 60611, United States. atanna@northwestern.edu

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Classification:

10 Differential diagnosis e.g. anterior and posterior ischemic optic neuropathy

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