Cataracts occur when the protein in a person’s eyes clumps together, causing a cloudy area on the lens of the eye. A cataract may occur in one or both eyes, at the back, center, or edge of the lens. Cataracts...

Color blindness is an inherited condition that affects the way your eyes distinguish certain colors. Color blindness does not mean you are blind, nor does it mean that you see in black and white. It means that you can’t see...