National Cancer Institute
U.S. National Institutes of Health | www.cancer.gov
In English | En español
NCI Home
Cancer Topics
Clinical Trials
Cancer Statistics
Research & Funding
News
About NCI
Dictionary of Cancer Terms
In English   En español
Page Options
Print This Page
More NCI Dictionaries
NCI Drug Dictionary

Glossary of Statistical Terms

NCI Dictionary of Genetics Terms

Terminology Resources
Quit Smoking Today
Search for
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
In English   En español

cataract (KA-tuh-RAKT)

 A condition in which the lens of the eye becomes cloudy. Symptoms include blurred, cloudy, or double vision; sensitivity to light; and difficulty seeing at night. Without treatment, cataracts can cause blindness. There are many different types and causes of cataracts. They may occur in people of all ages, but are most common in the elderly.



Previous Definitions:Castleman disease, castration, CAT scan, CAT-8015, Catapres
Next Definitions:catechol, catecholamine, catheter, cauterize, cavity

A Service of the National Cancer Institute
Department of Health and Human Services National Institutes of Health USA.gov