A '''cataract''' is a clouding of the lens in the [[eye]]. Cataracts are very common in older people. By age 80, more than half of all people in the United States either have a cataract or have had cataract surgery.{[fact}}
Common symptoms are
* Frequent prescription changes in your eye wear
Cataracts usually develop slowly. New glasses, brighter lighting, anti-glare sunglasses or magnifying lenses can help at first. [[cataract surgery|Surgery ]] is also an option. It involves removing the cloudy lens and replacing it with an artificial lens. Wearing sunglasses and a hat with a brim to block [[ultraviolet light|ultraviolet sunlight ]] may help to delay cataracts.<ref>http://www.nlm.nih.gov/medlineplus/cataract.html</ref>
==References==