Central Retinal Artery Occlusion Quiz

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Learn more about Central retinal artery occlusion

Content updated on Sep 20, 2022

What is central retinal artery occlusion?

Blockage of the artery that supplies the eye. Risk factors include smoking, high blood pressure, diabetes and high cholesterol levels. In some cases, hypercoagulability (tendency to form blood clots) may be present.

Symptoms of central retinal artery occlusion

  • Difficulty seeing on one side

  • Blind spots or blind areas in vision

  • Poor vision

Questions your doctor may ask to check for central retinal artery occlusion

Your doctor may ask these questions to diagnose central retinal artery occlusion

  • Are you unable to see out from one eye?

  • Do you have partial loss of vision?

  • Do you feel that your eyesight is worsening recently?

Treatment for central retinal artery occlusion

This requires emergency medical care and assessment by a specialist. Treatment options include "clot buster" medications and eye massage, however these come with increased risks that must be discussed with the specialist. Even with treatment, vision may never return to normal. Prevention of further episodes is important - this is done by reducing risk factors.

View the symptoms of Central retinal artery occlusion


  • Hayreh SS. Central retinal artery occlusion. Indian J Ophthalmol. 2018 Dec;66(12):1684-1694. doi: 10.4103/ijo.IJO_1446_18. PMID: 30451166; PMCID: PMC6256872.


  • Chronopoulos A, Schutz JS. Central retinal artery occlusion-A new, provisional treatment approach. Surv Ophthalmol. 2019 Jul-Aug;64(4):443-451. doi: 10.1016/j.survophthal.2019.01.011. Epub 2019 Jan 30. PMID: 30707925.


  • Mac Grory B, Schrag M, Biousse V, Furie KL, Gerhard-Herman M, Lavin PJ, Sobrin L, Tjoumakaris SI, Weyand CM, Yaghi S; American Heart Association Stroke Council; Council on Arteriosclerosis, Thrombosis and Vascular Biology; Council on Hypertension; and Council on Peripheral Vascular Disease. Management of Central Retinal Artery Occlusion: A Scientific Statement From the American Heart Association. Stroke. 2021 Jun;52(6):e282-e294. doi: 10.1161/STR.0000000000000366. Epub 2021 Mar 8. Erratum in: Stroke. 2021 Jun;52(6):e309. PMID: 33677974.


  • Dattilo M, Biousse V, Newman NJ. Update on the Management of Central Retinal Artery Occlusion. Neurol Clin. 2017 Feb;35(1):83-100. doi: 10.1016/j.ncl.2016.08.013. PMID: 27886897.


  • Varma DD, Cugati S, Lee AW, Chen CS. A review of central retinal artery occlusion: clinical presentation and management. Eye (Lond). 2013 Jun;27(6):688-97. doi: 10.1038/eye.2013.25. Epub 2013 Mar 8. PMID: 23470793; PMCID: PMC3682348.


Reviewed By:

Masashi Mimura

Masashi Mimura, MD (Ophthalmology)

From our team of 50+ doctors

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