Cataracts, also known as facosclerosis are a total or partial obstruction of the lens or lens of the eye, whose function is to convert the light rays obtained images on the retina. So when this part is obstructed eye, vision becomes weak and blurred. There are many types of cataracts, and is a fairly common condition that increases with age. The only possible cure cataract and restore a correct view treatment is surgery to eradicate it, but it is only recommended when the patient suffers so severe discomfort that do not allow you to continue your daily life as normal or wearing glasses. The operation to correct cataract extraction is based on the area of the lens that is damaged and its replacement by an intraocular lens.
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