Cataracts - Exams and Tests
Diagnosis of cataracts is based on a medical history and physical examination. Often tests are used to: Confirm the presence of a cataract. Rule out other conditions that may be causing vision loss. For more information, see the topics Vision Tests, Ophth
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.
Cataracts - Treatment Overview
Cataract surgery is a common procedure. It involves removing the natural lens of the eye, which contains the cataract.
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.
Cataracts - Surgery
Surgery for a cataract involves removing the natural lens of the eye that contains the cataract.
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.
Cataracts - Cause
Learn about cataracts and what causes them.
Cataracts - Health Tools
This health tool will help you make wise health decisions or take action regarding cataract surgery.