Are you one of the 300 million people affected by color blindness? Take this simple, doctor-approved test to determine your color vision deficiency and learn more about the condition.

The most common types of color blindness, or color vision deficiency, are genetic. However, other types may develop due to injuries, eye diseases, health problems, and side effects of treatment.

You’ve never seen these ones before! You might have taken color blindness tests with numbers online or when getting your eyes ...

Color blindness, or color vision deficiency, is more common in males. This is due to how parents pass down a chromosome associated with the male sex. Red-green color vision deficiency is the most ...

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 ...