Retinal Artery Occlusion

Retinal Artery Occlusion

A retinal artery occlusion occurs when the central retinal artery or one of the arteries that branch off it becomes blocked. This blockage is typically caused by a tiny embolus (blood clot) in the blood stream. The occlusion decreases the oxygen supply to the area of the retina nourished by the affected artery, causing permanent … Read more