A retinal vein occlusion is a condition in which a blockage occurs in one of the major veins of the retina, the innermost lining of the eye that is necessary for sight. It is most commonly associated with such systemic conditions as high blood pressure, diabetes, various blood disorders, and cardiovascular disease. It affects the elderly in most cases and can present as mild visual blurring to complete vision loss. Usually it is painless. The condition requires a thorough eye examination by an ophthalmologist and may require laser intervention by a retinal specialist. In some cases, the disease can lead to a severe type of glaucoma that can be difficult to control. If left untreated the eye can become shrunken and painful. Early intervention is crucial to preserve vision. In addition, patients with vein occlusions should be under the care of their general medical doctor.
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