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Alternate Name(s): Lens opacity ...... A cataract is a cloudy or opaque area in the lens of the eye.
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www.nlm.nih.gov/medlineplus/ency/article/001001.htm#Def...
www.nlm.nih.gov/medlineplus/ency/article/001001.htm#Definition
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Researchers are gaining additional insights about what causes these specific types of proteins (crystallins) to cluster in abnormal ways to cause lens cloudiness and cataracts. One recent finding suggests that fragmented versions of these proteins bind with normal proteins, disrupting normal function.
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www.allaboutvision.com/conditions/cataracts.htm
www.allaboutvision.com/conditions/cataracts.htm
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National Eye Institute's publication for people who are at higher risk for cataracts (clouding of the eye's lens). Encourages regular eye exams through dilated pupils. ... A cataract is a clouding of the lens in the eye that affects vision. Most cataracts are related to aging. Cataracts are very common in older people.
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www.nei.nih.gov/health/cataract/cataract_facts.asp
www.nei.nih.gov/health/cataract/cataract_facts.asp
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Cataract - Wikipedia, the free encyclopedia
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A cataract is a clouding that develops in the crystalline lens of the eye or in its envelope, varying in degree from slight to complete opacity and obstructing the passage of light. Early in the dev...
en.wikipedia.org/wiki/Cataract
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When cataracts are mentioned, people often think of a film that grows on their eyes causing them to see double or blurred images. However, a cataract does not form on the eye, but rather within the eye.
http://www.stlukeseye.com/Conditions/Cataracts.asp
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Frequently asked questions (FAQ) about cataracts and cataract surgery. ... Are cataracts found only in older people? ... But in rare cases, infants can have congenital cataracts. These are usually related to the mother having German measles, chickenpox, or another infectious disease during pregnancy, but sometimes they...
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www.allaboutvision.com/faq/cataracts.htm
www.allaboutvision.com/faq/cataracts.htm
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Cataracts — Comprehensive overview covers symptoms, causes and treatments, including cataract removal. ... Most cataracts develop slowly and don't disturb your eyesight early on. But as the clouding progresses, the cataract eventually interferes with your vision. Early on, stronger lighting and eyeglasses can help you...
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www.mayoclinic.com/health/cataracts/DS00050
www.mayoclinic.com/health/cataracts/DS00050
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A cataract is a clouding of the lens in your eye. It affects your vision. 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.
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www.nlm.nih.gov/medlineplus/cataract.html
www.nlm.nih.gov/medlineplus/cataract.html
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