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.

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 in …

Dec 1, 2025 · A cataract is when your eye's natural lens becomes cloudy. Proteins in your lens break down and cause things to look blurry, hazy or less colorful. We are all born with a …

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.

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.

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

Babies, young children and middle-aged adults can also have cataracts, either present at birth or sometimes related to other medical conditions. Common symptoms from cataracts include …

Oct 9, 2025 · Cataracts - an easy to understand guide covering causes, diagnosis, symptoms, treatment and prevention plus additional in depth medical information.

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.