A cataract is a clouding of the lens of the eye, which is typically clear. For people who have cataracts, seeing through cloudy lenses is like looking through a frosty or fogged-up window.

Nov 26, 2025 · 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 …

Cataract formation is primarily driven by oxidative stress, which damages lens proteins, leading to their aggregation and the accumulation of clumps of protein or yellow-brown pigment in the lens. [10] This …

Dec 17, 2025 · Discover what cataracts are, why they develop, symptoms to watch for, and how modern cataract surgery can help you regain clearer vision.

Nov 25, 2025 · A cataract is a clouding of the lens in your eye. It affects your vision. Cataracts are very common in older people. Learn about symptoms and surgery.

A cataract is a clouding of the natural intraocular crystalline lens that focuses the light entering the eye onto the retina. This cloudiness can cause a decrease in vision and may eventually lead to blindness …

Oct 3, 2025 · Cataracts occur when the lens of your eye becomes clouded. It causes symptoms like blurriness, light sensitivity, and trouble seeing at night.

Feb 13, 2024 · If your child’s cataract is small and doesn’t affect their vision, it may not need to be removed. But if it does affect their eyesight, it should be treated as soon as possible.

Jun 12, 2025 · Common cataract symptoms include gradual blurry vision, glare from lights, trouble seeing at night, and reduced color clarity. Recognizing these symptoms early can help you manage …

A cataract is a clouding of the lens. This distorts or blocks the passage of light through the lens, causing cloudy or blurred vision, other visual problems, and even blindness.