Bilateral loss of vision in bright light. | Zendy

David O. Wiebers | Zendy; Jeffrey W. Swanson | Zendy; Terrence L. Cascino | Zendy; Jack P. Whisnant | Zendy

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Bilateral loss of vision in bright light.

Author(s) -

David O. Wiebers,

Jeffrey W. Swanson,

Terrence L. Cascino,

Jack P. Whisnant

Publication year - 1989

Publication title -

stroke

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.397

H-Index - 319

eISSN - 1524-4628

pISSN - 0039-2499

DOI - 10.1161/01.str.20.4.554

Subject(s) - medicine , ischemia , stenosis , retinal , occlusion , occipital lobe , anatomy , ophthalmology , cardiology , radiology

We describe four patients with episodic bilateral vision impairment related exclusively to light exposure. Each had angiographically documented bilateral high-grade stenosis or occlusion of the internal carotid arteries. This phenomenon appears to be related to bilateral simultaneous retinal ischemia delaying regeneration of visual pigments in the pigment epithelial layer. It must be distinguished from bilateral occipital lobe ischemia caused by vertebrobasilar system disease.

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