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 ...

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 ...

Color blindness, or color vision deficiency, causes a person to see colors differently from most other people. There are several types of color blindness. Color vision deficiency or loss has multiple ...

Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. This map is extremely informative for those of us with normal color vision.

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 ...

Many people don't realize that almost ten percent of the male population has some form of color vision deficiency. As a result, graph designers and software vendors regularly produce figures with ...

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 ...

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 ...

Researchers at the Department of Psychiatry and Psychology, Center for Behavioral Health, Neurological Institute at the Cleveland Clinic in Ohio have authored a case report on the positive effects of ...

A quest to gain a more complete picture of color vision evolution has led scientists to an up-close, genetic encounter with one of the world's most rare and bizarre-looking primates. They have ...