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An Unusual Symptom of Carotid Artery Occlusive Disease

Anthony J. Furlan, MD; Jack P. Whisnant, MD; Thomas P. Kearns, MD

Arch Neurol. 1979;36(11):675-676.

Abstract
• Five patients with carotid artery occlusive disease had unilateral visual loss in bright light. All five had reduced retinal artery pressure on the side of the visual loss, and arteriograms showed either an occlusion or a high-grade stenosis of the ipsilateral internal carotid artery. Unilateral visual loss in bright light may indicate ipsilateral carotid artery occlusive disease and may reflect the inability of borderline circulation to sustain the increased retinal metabolic activity associated with exposure to bright light.

Author Affiliations
From the Department of Neurology, Cerebrovascular Clinical Research Center (Drs Furlan and Whisnant), and the Department of Ophthalmology (Dr Kearns), Mayo Clinic and Mayo Foundation, Rochester, Minn.

Footnotes
Accepted for publication Dec 20, 1978.

Reprint requests to Mayo Clinic, 200 First St SW, Rochester, MN 55901 (Dr Whisnant).

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