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Definition of «Cataract»

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Cataract: A clouding or loss of transparency of the lens in the eye as a result of tissue breakdown and protein clumping. There are many causes of cataracts, including aging, cortisone medication, trauma, diabetes, and other diseases. Cataracts affect most people who live into an old age. Symptoms include double or blurred vision and sensitivity to light and glare. A physician can diagnose cataracts by examining the eyes with a viewing instrument. Sunglasses can help to prevent cataracts.

For More Information «Cataract»

  • Cataract: What You Should Know

    Facts About Cataract. This information was developed by the National Eye Institute to help patients and their families search for general information about cataracts.

  • cataract: Definition, Synonyms from Answers.com

    Library > Literature & Language > Dictionary ( kăt ' ə-răkt ' ) n. A large or high waterfall. A great downpour; a deluge. Pathology . Opacity of the lens or ...

  • Cataract

    Learn About Cataracts. A cataract is a condition that develops in the lens of the eye. Cataracts are made from a protein that has altered from its natural state ...

  • Cataracts - Guide to Symptoms, Treatment, Lens Options

    A cataract is a clouding of the eye's natural lens, which lies behind the iris and the pupil. Cataracts are the most common cause of vision loss in people over age 40.

  • Cataract: MedlinePlus - National Library of Medicine ...

    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 ...

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