Ray St. Clair first learned he saw things differently when he was about nine years old and walking down Congress Street in downtown Tucson with his mother. "Look at the gray car," he said to her.

The world looks different to people who are color blind. While people with normal vision see over 1 million shades of color, the color blind only see an estimated 10% of hues and shades. That can ...

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 ...

JOHNSON CITY, Tenn. & BERKELEY, Calif.--(BUSINESS WIRE)--East Tennessee State University (ETSU) announced that it purchased and donated 36 pairs of special EnChroma glasses for red-green color ...