For many people, cataracts are a common, inevitable consequence of aging. A cataract is a blurring and impairment of vision as the eye's natural lens becomes cloudy. In addition to this blurriness, individuals with cataracts may have difficulty seeing at night, decreased experience of colors, and heightened sensitivity to bright conditions; they may often find themselves getting new prescriptions from their eye doctors. Cataracts can begin to develop when a person is 40 or 50, but most individuals do not experience serious, detrimental vision consequences
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