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central retinal artery occlusion (CRAO)
also see retinal artery occlusion
Clinical manifestations:
- acute painless blurred monocular vision
Special laboratory:
- ophthalmoscopy:
- retinal whitening with a cherry red spot in the fovea
- constriction of an arteriole may be seen
- retinal hemorrhages uncommon
Differential diagnosis:
- central retinal vein occlusion
- diffuse retinal hemorrhages
- dilated tortuous veins
- darker retinal background
Related
central retinal artery (Zinn artery)
General
retinal artery occlusion
References
- NEJM Knowledge+ Ophthalmology