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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. In this week’s ‘How It Works’ Jane Monzures ...

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 ...

A new report by researchers from City St George's, University of London for the Rail Safety and Standards Board (RSSB) has revealed the potential for safer and fairer color vision assessment protocols ...

EyeQue’s at-home vision health device portfolio is increasing with the addition of two new vision tests to its EyeQue Insight vision screener: color vision and contrast sensitivity testing. The EyeQue ...

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 ...