Cataract


Dr. Sieving explains what a cataract of the eye is, and discusses the symptoms of a cataract.

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DR. RODGERS: A cataract is a clouding of the lens in the eye that affects vision. For people who have cataracts, it's a bit like looking through a frosty or fogged-up window.

Hi, I'm Dr. Griffin Rodgers, director of the National Institute of Diabetes and Digestive and Kidney Diseases at NIH.

My colleague, Dr. Paul Sieving, director of the National Eye Institute, explains:

DR. SIEVING: Most cataracts are related to aging. By age 80, more than half of Americans have a cataract or have had surgery. There are several causes of cataracts, including risk from diabetes or from smoking. The primary symptom of a cataract is cloudy vision. Some people also experience double vision, or they have problems with glare from oncoming headlights. If you have symptoms, talk with your eye doctor.

DR. RODGERS: For more information on cataracts, follow us on Twitter @HealthyMoments. This is Dr. Griffin Rodgers with the NIH.

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