Central Retinal Vein Occlusion (CRVO)
Floaters are another symptom of CRVO. When retinal blood vessels are not working properly, the retina grows new fragile vessels that leak blood into the vitreous, the fluid that fills the center of the eye. Blood in the vitreous clumps and is seen as tiny dark spots, or floaters, in the field of vision.
In severe cases of CRVO, the blocked vein causes painful pressure in the eye. retinal vein occlusions commonly occur with glaucoma, diabetes, age-related vascular diseas, high blood pressure and blood disorders.
The first step is finding what is causing the vein blockage. there is no cure for CRVO. Your ophthalmologist may recommend a period of observation, since hemorrhages and excess fluid often subside on their own. Laser surgery may be effective in preventing further bleeding into the vitreous, or for treating glaucoma, but it cannot remove a hemorrhage or cure glaucoma once it is present.
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