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Retinal Artery Occlusion
A retinal artery occlusion is a blockage in one of the arteries that that carry blood to the retina. These blockages are caused by blood clots that travel through the bloodstream. These clots occur most commonly in people with diabetes, heart disease, or high blood pressure. The condition will cause a sudden blurring of vision. You should contact your doctor immediately.
There are several treatments that can be used. Deep breaths cause the retinal arteries to dilate, possibly freeing the obstruction. Massaging the eye can push the blockage through. Clot-busting or blood-thinning drugs can also help, and may prevent an occlusion in the future. The condition can be avoided by maintaining healthy cholesterol and blood pressure levels and quitting smoking.
Retinal detachment is a serious condition that can cause permanent blindness. It occurs when the retina separates from the surrounding tissue. Your doctor can detect this condition early during a routine dilated eye exam.
There are several ways to treat a detached retina. Treatments involve using lasers, gas bubbles, or physically repairing the torn or detached retina. The type of treatment used depends on the type and severity of the condition.
Retinal Vein Occlusion
Retinal vein occlusion is similar to retinal artery occlusion, except that it occurs in the blood vessels that return blood to the heart. When a vein occlusion occurs, vision suddenly becomes blurry. You should contact your doctor immediately.
Treatments include laser therapy to reduce edema, drug injections to reduce inflammation, and surgery. As with retinal artery occlusions, the condition can be avoided by maintaining healthy cholesterol and blood pressure levels and quitting smoking.