What is a cataract, anyway?

A cataract is a clouding of the lens of the eye.  This occurs because of aging, trauma, radiation, and can even be present at birth.  There are 20 million people in the world who are blind from cataracts.

Half of all people have cataracts by the age of 80.

Risk factors for having cataracts include diabetes, smoking, exposure to sunlight, and alcohol use.

Wearing sunglasses and avoiding tobacco and alcohol can help prevent cataracts.

Each year 3.6 million cataract surgeries are performed in the United States and more than 20 million performed worldwide.

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