Our ability to see with color vision depends on the presence and function of light-sensing pigments in the cones of our eyes. Color blindness, or color vision deficiency, happens when one or more of ...

A color vision test, also known as the Ishihara color test, measures your ability to tell the difference among colors. If you don’t pass this test, you may have poor color vision, or your doctor may ...

Millions globally live with colour blindness, often unaware of their condition. An optometrist shares a quick, one-minute ...

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 ...

You’ve never seen these ones before! You might have taken color blindness tests with numbers online or when getting your eyes checked at the doctor’s, but I guarantee you haven’t seen these pictures!