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 ...

Daltonism is a specific type of red-green color vision deficiency, also known as color blindness. People with red-green color vision deficiency may confuse colors that contain red or green elements.

Color blindness, more appropriately called color vision deficiency, is a condition in which certain colors cannot be distinguished, and is most commonly due to an inherited condition. Severity of the ...

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 ...

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 ...