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Cataracts Health Center

Medical Reference Related to Cataracts

  1. Cataracts - Topic Overview

    What is a cataract? A cataract is a painless, cloudy area in the lens of the eye that blocks the passage of light to the retina.

  2. Cataracts - Home Treatment

    If you have cataracts, these tips and vision aids may help you manage your vision problems and avoid or delay surgery: Tips for improving vision include repositioning lights or, if you wear them, updating the prescription for your eyeglasses or contact le

  3. Cataract Surgery

    The lens of the eye is enclosed in a lining called the lens capsule. Extracapsular surgery, also called extracapsular cataract extraction (ECCE), involves removing the lens with the cataract from the lens capsule.

  4. Cataracts - Medications

    Learn about medications used to treat cataracts.

  5. Cataracts and Ultraviolet Light - Topic Overview

    Ultraviolet (UV) radiation, such as sunlight, is absorbed by the lens of the eye and can lead to the formation of chemicals called free radicals inside the lens. Over time, free radicals may damage the lens, causing cataracts.People exposed to excessive amounts of sunlight because of their profession (such as agricultural workers), geographic area (such as sunny parts of the country), or use of tanning booths or sunlamps may be more likely to form cataracts.It is not known for sure whether reducing UV exposure helps prevent cataracts.

  6. Cataracts - What Increases Your Risk

    Risk factors for cataracts include age, ethnicity, sex, and others.

  7. Cataracts - What Happens

    Cataracts may remain small and may not be noticeable. They often do not seriously affect vision, and many cataracts do not need to be removed. Some cataracts grow larger or denser over time, causing severe vision changes.

  8. Cataracts - When To Call a Doctor

    If you have cataracts, call your doctor immediately if you have severe eye pain or a sudden change in your vision.

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