What Is Central Retinal Vein Occlusion (CRVO)?
https://www.aao.org/eye-health/diseases/what-is-central-retinal-vein-occlusion
WebPublished Nov. 21, 2023. Arteries and veins carry blood throughout your body, including your eyes. The eye’s retina has one main artery and one main vein. When the main retinal vein becomes blocked, it is called central retinal vein occlusion (CRVO). When the vein is blocked, blood and fluid spills out into the retina.
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