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  • Branch Retinal Vein Occlusion (BRVO)

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  • Closeup image of an adult man's green eye

    What Is Branch Retinal Vein Occlusion (BRVO)?

    Leer en Español:
    ¿Qué es la oclusión de rama venosa de la retina (ORVR)?
    Written By: Kierstan Boyd
    Reviewed By: G Atma Vemulakonda, MD
    Nov. 16, 2018

    Arteries and veins carry blood throughout your body, including your eyes. The eye’s retina has one main artery and one main vein. When branches of the retinal vein become blocked, it is called branch retinal vein occlusion (BRVO).

    When the vein is blocked, blood and fluid spills out into the retina. The macula can swell from this fluid, affecting your central vision. Eventually, without blood circulation, nerve cells in the eye can die and you can lose more vision.

     

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    Branch Retinal Vein Occlusion (BRVO) Symptoms

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