Clouding of the lens of the eye that results in obscured vision.
Organ or part of body involved:
Symptoms and indications:
A painless blurring of vision; glare, or light sensitivity; poor night vision; double vision in one eye; needing brighter light to read; and fading or yellowing of colors.
Causes and risk factors:
The exact cause is unkown. Aging, diabetes, glaucoma and detachment of the retina, injury to the lens, drugs, and high doses of radiation.
Protection from excessive sunlight may help slow the progression of cataracts. Sunglasses that screen out ultraviolet (UV) light rays or regular eyeglasses with a clear, anti-UV coating offer this protection.