Color blindness, or color vision deficiency, causes a person to see colors differently from most other people. There are several types of color blindness. Color vision deficiency or loss has multiple ...

Janelle Sventek, O.D., an expert at the University of Alabama at Birmingham, provides insight into the science behind eye color and how families can protect their child’s vision from an early age.

Deuteranopia is a type of color blindness that affects shades of green. A person may be unable to see greens or distinguish between green and other colors. Color vision deficiencies, also called color ...