What to Know About the Different Types of Color Blindness
Color blindness, or color vision deficiency, refers to the inability of a person to correctly distinguish certain colors. Many people mistakenly believe that to be color blind is to view the world in only black and white, but complete color blindness is rare. A color-blind person usually has problems distinguishing certain colors, mistaking them for the same color. In our eyes, there are cells known as cones that help us differentiate colors....