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 ...

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 ...

Women can be colorblind, but it’s much less common than in men. Red-green color blindness, the most common type, is inherited through the X chromosome. Since males have only one X, they need just one ...

An estimated 300 million people worldwide are color-blind. This typically means they can't distinguish certain shades of color, they struggle to tell how bright colors are or, more rarely, they can't ...