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Central Retinal Artery Occlusion

Central Retinal Artery Occlusion
Central Retinal Artery Occlusion

In acute central retinal artery occlusion, diffuse retinal edema makes the retina appear pale and the arteries become attenuated. The underlying perfused choroid shows through the thin fovea giving the classic cherry-red spot appearance.

Paul Whitten/SCIENCE PHOTO LIBRARY