What Is a Cataract?
Cataract What Is a Cataract? A cataract is a cloudy area in the lens of your eye (the clear part of the eye that helps to focus light). Cataracts are very common as you get older. In fact, more than half of all Americans age 80 or older either have cataracts or have had surgery to get rid of cataracts. At first, you may not notice that you have a cataract. But over time, cataracts can make your vision blurry, hazy, or less colourful. You may have trouble reading or doing other everyday activities. Symptoms of Cataracts Common symptoms of cataracts include: blurry vision trouble seeing at night seeing colours as faded increased sensitivity to glare halos surrounding lights double vision in the affected eye a need for frequent changes in prescription What Causes Cataracts? There are several underlying causes of cataracts. These include: an overproduction of oxidants, which are oxygen molecules that have been ch...