Most cataracts develop when aging or injury changes the tissue that makes up the eye's lens. Proteins and fibers in the lens begin to break down.

Mar 7, 2023 · What are cataracts? Cataracts are cloudy areas that form on the lens of your eye. Your lens is a clear, flexible structure made mostly of proteins (crystallins). As you get older, the proteins …

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 …

In 2020 Cataracts caused 39.6% of all cases of blindness and 28.3% of visual impairment worldwide. Cataracts remain the single most common cause of global blindness.

Feb 13, 2024 · Learn more from WebMD about your eyes and cataracts, including the causes, symptoms, diagnosis, and treatment.

Jun 12, 2025 · Find out everything you need to know about cataracts, including symptoms, causes, diagnosis, and treatment.

Sep 2, 2025 · An ophthalmologist explains what causes cataracts and the best ways to treat them, including the latest advancements in treatment.

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.

Apr 28, 2025 · Discover the signs, symptoms, causes, and treatment options for cataracts — and how advanced surgery and premium lenses can help you regain clear vision.

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