Cataracts are usually due to ageing, but can be caused by
damage to the eye from mechanical, chemical or electromagnetic radiation
systemic disease
incorrect development of the lens in utero leading to congenital cataract
inherited disorders
However by far the most common cause is simply time.
Symptoms of cataracts
As a cataract progresses, the following may occur:Cloudy or hazy vision
Decreased night vision
Sensitivity to light
Intolerance to glare
Deterioration of far and near vision
Stronger lens prescriptions for glasses no longer correct vision
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