Branch retinal artery occlusion (BRAO) is a rare retinal vascular disorder in which one of the branches of the
central retinal artery
The central retinal artery (retinal artery) branches off the ophthalmic artery, running inferior to the optic nerve within its dural sheath to the eyeball.
Structure
The central retinal artery pierces the eyeball close to the optic nerve, sen ...
is obstructed.
Although often grouped together under one term, the condition consists of two distinct subtypes: permanent BRAO and transient BRAO.
Signs and symptoms
Sudden painless partial vision loss
Causes
Diagnosis
Treatment
No proven treatment exists for branch retinal artery occlusion.
In the rare patient who has branch retinal artery obstruction accompanied by a systemic disorder, systemic
anti-coagulation may prevent further events.
Epidemiology
See also
*
Central retinal artery occlusion
Central retinal artery occlusion (CRAO) is a disease of the eye where the flow of blood through the central retinal artery is blocked (occluded). There are several different causes of this occlusion; the most common is carotid artery atheroscle ...
*
Central retinal vein occlusion
*
Branch retinal vein occlusion
References
External links
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Diseases of arteries, arterioles and capillaries
Disorders of choroid and retina