Myth: Cataracts can spread from one eye to the other.
Fact: Cataracts can develop in one or both eyes, but they don't spread.
Myth: A cataract is a film that grows over the surface of the eye.
Fact: A cataract is a change that occurs within the lens of the eye.
Fact: In ancient times, people believed that the cloudiness in the lens was caused by a waterfall — or cataract — behind the eye. Some people describe their clouded sight as like trying to look through a waterfall.
