Retinal Artery Occlusion | Retina Eye Center | Augusta & Aiken
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Retinal Artery Occlusion

A retinal artery occlusion occurs when the main artery servicing the eye or one of the arteries that branch off of it becomes occluded. This blockage is typically caused by tiny blood clots, fibrin plugs, or calcific emboli. This blockage causes the eye to lose its oxygen supply, causing permanent damage to the retinal tissue with loss of vision.

Signs and symptoms

Transient loss of vision prior to the artery occlusion in some cases

    • Branch Artery Occlusion
      sudden & painless partial loss of vision in one eye
    • Central Artery Occlusion
      sudden & painless total loss of vision in one eye



Diagnosis is usually made during a complete retinal exam and is made with an ophthalmoscope and a fluorescein angiogram


Unfortunately, there are no treatment options that can restore vision that may be lost from an artery occlusion. Infrequently laser treatment may be necessary for delayed complications such as new blood vessel formation (neovascularization). Risk factors for an artery occlusion are diabetes, valvular heart disease, glaucoma, hypertension, and high cholesterol levels.

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