an eye with a cataractCataracts are any part of the crystalline lens inside the eye that is not clear. Most of us understand cataracts to be something that happens as you get older, and this is mostly true. There are rare cataracts than can strike at any age; it is even possible to be born with cataracts.

Your optometrist can detect cataracts and, when appropriate, refer you to an eye specialist or hospital to have them removed.