Each terminal choroidal arteriole supplies an independent lobule (segment) of the lamina choriocapillaris. Occlusion of these terminal arterioles produces a corresponding perfusion defect, and its ...
Retinal vascular occlusion (RVO) occurs when small veins in the back of the eye become blocked, and blood cannot flow through them. The condition can affect vision but does not cause total blindness.
Branch retinal vein occlusions (BRVOs) typically occur at arteriovenous crossings, where the artery and vein share a common membranous sheath. Degenerative changes can cause hardening of the retinal ...
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