What causes cataracts?

Everyone gets cataracts if they live long enough! Most cataracts occur as a normal aging change in the eye, and typically appear between the ages of 65 and 80, although they may appear earlier. Vision is not generally affected straight away, it might take years or decades to become a problem. The normal lens is clear at birth and becomes more opaque or cloudy with age. This process can be accelerated by excess exposure to sunlight.

Cataracts can also form in response to severe injury to the eye, radiation, or as a side effect to some eye diseases or medications. Some cataracts are inherited, and some occur as a result of illness, such as diabetes or intrauterine rubella.

Tags: cataracts, cataracts causes, cataratas, causas de cataratas

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