THE MERCK MANUAL: The Merck Manual of Diagnosis and Therapymultimedia

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  • Central and Branch Retinal Artery Occlusion
  • Central Retinal Artery Occlusion

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    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.

    Image courtesy of Robert Machemer via the Online Journal of Ophthalmology (www.onjoph.com).

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