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.

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 …

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 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.

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.

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.

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

Find in-depth information on cataracts including symptoms ranging from cloudy vision to double vision.

Most cataracts are related to aging. More than half of all Americans have had a cataract or cataract surgery by age 80. Babies, young children and middle-aged adults can also have …