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  1. Dictionary
    cataract
    /ˈkatərakt/

    noun

    • 1. a medical condition in which the lens of the eye becomes progressively opaque, resulting in blurred vision: "she had cataracts in both eyes" Similar opacityopaqueness
    • 2. a large waterfall: "the river descends in a succession of spectacular cataracts" Similar waterfallcascadefallsrapids

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  2. www.mayoclinic.org › diseases-conditions › cataractsCataracts - Symptoms and causes - Mayo Clinic

    Cataracts usually happen in both eyes, but not always at the same rate. The cataract in one eye may be worse than the other. This causes a difference in vision between eyes. Types of cataracts. Cataract types include: Cataracts affecting the center of the lens, called nuclear cataracts.

  3. en.wikipedia.org › wiki › CataractCataract - Wikipedia

    A cataract is a cloudy area in the lens of the eye that leads to a decrease in vision of the eye. [1] [7] Cataracts often develop slowly and can affect one or both eyes. [1] Symptoms may include faded colours, blurry or double vision, halos around light, trouble with bright lights, and difficulty seeing at night. [1]

  4. www.nei.nih.gov › cataractsCataracts | National Eye Institute

    Nov 15, 2023 · A cataract is a cloudy area in the lens of your eye. More than half of all Americans age 80 and older either have had cataracts or have had surgery to get rid of cataracts. Learn about the types, symptoms, and causes of cataracts and how your doctor will diagnose and treat them.

  5. www.allaboutvision.com › en-in › conditionsCataracts | Causes, Symptoms, Types & Treatment

    Apr 3, 2019 · Cataracts develop when the lens inside your eye turns cloudy. Find out more about this common disorder, including cataracts’ visual effects, other symptoms, diagnosis and treatment. Our cataract section includes cataract causes, symptoms, prevention and treatments.

  6. www.webmd.com › eye-health › cataractsCataracts - Causes, Symptoms, Risk Factors, Diagnosis ... - WebMD

    Feb 13, 2024 · What Are Cataracts? Medically Reviewed by Whitney Seltman, OD on February 13, 2024. Written by WebMD Editorial Contributors. What Are the Symptoms? Cataract Causes and Types. How Are...

  7. www.healthline.com › health › cataractCataract: Types, Causes and Risk Factors - Healthline

    Sep 29, 2017 · A cataract is a dense, cloudy area that forms in the lens of your eye. It develops slowly and eventually interferes with your vision. A cataract begins when proteins in the...

  8. www.merriam-webster.com › dictionary › cataractCataract Definition & Meaning - Merriam-Webster

    The meaning of CATARACT is a clouding of the lens of the eye or of its surrounding transparent membrane that obstructs the passage of light. How to use cataract in a sentence. Did you know?