Are you one of the 300 million people affected by color blindness? Take this simple, doctor-approved test to determine your ...

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 ...

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 ...

You may know someone who can’t tell the difference between specific colors — and there is a scientific reason it could be happening. The condition is known as color blindness. To share a better ...

There are three main types of color vision deficiency: red-green, blue-yellow, and complete. Color blindness, or color vision deficiency, affects the way you perceive color and can make it hard to ...