Cataract refers to a clouding of the lens in the eye leading to decreased vision. The lens is normally clear and helps focus light onto the retina at the back of the eye allowing us to see clearly. However, when a cataract develops, the lens becomes cloudy resulting in blurred or distorted vision.
Cataracts can develop in one or both eyes, but it's not necessary for both eyes to be affected simultaneously. It is possible for a cataract to develop in one eye and not the other, or for one eye to…