Arteries and veins carry blood through the body including ete eyes. Retina has one main artery and one main vein when the main vein is blocked it is known as CRV occlusion. When the central retinal vein is blocked blood and fluid split out into the retina macula can swell from this fluid affecting central vision.
Eventually without blood circulation nerve cells in the eye can die. Most common symptoms of CRV occlusion are: Visual loss or blurred vision partly or completely it can happen suddenly or be worse in several hours sometimes one can lose all vision Floaters may be noticed Dark Spots Lines or squiggles in vision in some cases Feeling of pain or pressure CRV occlusion is almost always unilateral. Associated risk factors: Hypertension DM glaucoma arteriosclerosis To lower risk factors one should: eat less fat maintain ideal weight avoid smoking regular exercise CRV occlusion …
