By Denise Clark
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Cataracts are a condition caused by a clouding of the lens of the eye that may take months or years to develop. Generally caused by age, they also form due to complications of diabetes such as high blood sugar. They may also be caused by chronic eye disease, prolonged exposure to bright sunlight and radiation. In some cases, cataracts may be genetic. Smoking has been known to heighten the risk of developing cataracts. Cataracts are formed when proteins clump together and cloud small portions of the lens, which worsen with time. While most people suffering from cataracts are over 60 years old, it may affect newborns born with congenital defects as well. Understanding the signs and symptoms of cataract formation may provide quick and more effective treatment.