Millions globally live with colour blindness, often unaware of their condition. An optometrist shares a quick, one-minute test using Ishihara plates to help identify colour vision deficiency, which ...

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, 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 ...

Colour blindness impacts approximately 1 in 12 men (8%) and 1 in 200 women, and there's a quick test you can do to see if you may be colour blind.

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 ...