A cataract is a painless eye disorder, in which the lens of the eye becomes progressively opaque, gradually worsening the eyesight and eventually leading to blindness. Although they may form for a number of reasons, their most common cause is the progressive deterioration of the lens structure due to advancing age. Almost a third of people over 65 have cataracts in one or both eyes.
Cataracts may eventually cloud the whole lens, causing blindness in that eye. However, they may be treated by a quick and painless operation, whereby the affected lens is taken out and replaced with an artificial one.
To find out more about the causes, symptoms, diagnosis and treatment of cataracts, simply select an item from the menu below.
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