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.

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 ...

Colour blindness affects more people than you might assume. In fact, an estimated 300 million people globally have colour blindness, according to the Colour Blind Awareness organisation. This ...