This article describes the first U.S. color vision test, which was developed during World War II through the initiative and pioneering dedication of a remarkable man -- Dr. Israel Dvorine. We mention ...

By Dr. Sanchari Sinha Dutta, Ph.D. A large electronic health record study suggests that difficulty recognizing painless blood ...

Many aspects of security positions require the discernment of colors to determine meaning. Air traffic controllers, Transportation Security Officers, pilots, and unmanned aircraft system (UAS) ...

This story is part of a series on the current progression in Regenerative Medicine. This piece is part of a series dedicated to the eye and improvements in restoring vision. In 1999, I defined ...

Color blindness is the inability of the human eyes to perceive red, blue, yellow or green colors. Color blindness is not a form of blindness, but is the deficiency of the way the person sees colors.

Color vision may actually work like a colorized version of a black-and-white movie, a new study suggests. Cone cells, which sense red, green or blue light, detect white more often than colors, ...

Zachary Lehr has trouble distinguishing some colors. The 6-year-old has a mild form of color blindness, a condition that affects 5 to 10 percent of the U.S. population, according to National ...

Two male squirrel monkeys now see the world in a whole new way — in full color. Female squirrel monkeys can see in color, but male squirrel monkeys are normally red-green colorblind because they lack ...