By 80, more than half of all Americans have a cataracts

A cataract is a clouding of the lens in the eye that affects vision. Most cataracts are related to aging. Cataracts are very common in older people. By age 80, more than half of all Americans either have a cataract or have had cataract surgery. If you are age 60 or older, you should have a comprehensive dilated eye exam at least once every two year

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