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What is retinal vein occlusion?

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Your retina is a thin layer of tissue that lines the back of your eyeball. It turns light into signals to the brain, which interprets them as sight. When a vein in the retina becomes blocked, it’s called retinal vein occlusion. This can give you blurry vision or even sudden permanent blindness in that eye. It's similar to retinal artery occlusion, which is sometimes called an eye stroke.

From: What Is Retinal Vein Occlusion? WebMD Medical Reference

SOURCES:

Cleveland Clinic: “Retinal Vein Occlusion.”

Harvard Health Publications: “Retinal Vessel Occlusion.”

Archives of Ophthalmology : “Risk factors for central retinal vein occlusion. The Eye Disease Case-Control Study Group.”

Journal of Human Reproductive Sciences: “Oral Contraceptive Pills: A Risk Factor for Retinal Vein Occlusion in In-Vitro Fertilization Patients.”

National Eye Institute: “Facts about Macular Edema.”

American Academy of Ophthalmology: “What Is Central Retinal Vein Occlusion?” “What Is Branch Retinal Vein Occlusion?” “What Happens During OCT?”

American Optometric Association: “Protecting Your Eyes at Work.”

American Macular Degeneration Foundation: “How the Eye Works as a Camera.”

UpToDate: “Retinal vein occlusion: Epidemiology, clinical manifestations, and diagnosis.”

MedlinePlus: "Retinal vein occlusion."

Reviewed by Alan Kozarsky on September 18, 2017

SOURCES:

Cleveland Clinic: “Retinal Vein Occlusion.”

Harvard Health Publications: “Retinal Vessel Occlusion.”

Archives of Ophthalmology : “Risk factors for central retinal vein occlusion. The Eye Disease Case-Control Study Group.”

Journal of Human Reproductive Sciences: “Oral Contraceptive Pills: A Risk Factor for Retinal Vein Occlusion in In-Vitro Fertilization Patients.”

National Eye Institute: “Facts about Macular Edema.”

American Academy of Ophthalmology: “What Is Central Retinal Vein Occlusion?” “What Is Branch Retinal Vein Occlusion?” “What Happens During OCT?”

American Optometric Association: “Protecting Your Eyes at Work.”

American Macular Degeneration Foundation: “How the Eye Works as a Camera.”

UpToDate: “Retinal vein occlusion: Epidemiology, clinical manifestations, and diagnosis.”

MedlinePlus: "Retinal vein occlusion."

Reviewed by Alan Kozarsky on September 18, 2017

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What can happen if I have retinal vein occlusion?

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THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

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