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 ...

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.

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 ...