5 Signs You Have Cataracts

woman's eye closeup
Cataracts are the most common cause of vision loss in people over age 40 and is the principal cause of blindness in the world. In fact, there are more signs of cataracts worldwide than there are of glaucoma, macular degeneration and diabetic retinopathy combined.

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If you have cataracts, you probably won’t experience pain or redness because most cataract symptoms are related instead to vision problems.

What are Cataracts?

A cataract is a clouding of the eye’s natural lens, which lies behind the iris and the pupil. Today, cataracts affect more than 22 million Americans age 40 and older. And as the U.S. population ages, more than 30 million Americans are expected to have cataracts by the year 2020, PBA says.