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 ...

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.

Currently, there is no cure available for color vision deficiency that is present from birth. However, supportive tools, such as glasses, contacts, and visual aids, can help people navigate color ...

There are three main types of color vision deficiency: red-green, blue-yellow, and complete. Color blindness, or color vision deficiency, affects the way you perceive color and can make it hard to ...

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 ...

Abnormal color vision increases significantly with aging -— affecting one-half or more of people in the oldest age groups, reports a study. While few people younger than 70 have problems with color ...

What color is a tree, or the sky, or a sunset? At first glance, the answers seem obvious. But it turns out there is plenty of variation in how people see the world—both between individuals and between ...

Color is more than a sensory pleasure; it is a tool refined by evolution. Our ability to perceive a broad spectrum of hues is a remarkable biological achievement shaped by survival pressures, social ...

Like all of the scattered recollections I can access from the earliest years of my life, the memory is fuzzy. It’s more a cluster of blurry snapshots unified by a jumble of vague feelings. There is ...

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) ...

It is no coincidence that human vision evolved sensitivities to match the spectral characteristics of our sunlit world. It is also the case that we humans can’t take the credit for our ability to see ...

Scientists reconstructed 500 million years of evolutionary history to reveal which came first: colorful signals or the color vision needed to see them. The natural world is awash with color, and many ...