Dr. Mark Lindsay was 5 years old when he first learned that tree trunks were brown. "Up until that point, I believed leaves and trunks were all green. Just lighter and darker shades," Mark said. Mark ...

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 Ishihara Color Test is a widely used screening tool for color vision deficiency, especially red-green color blindness. It is striking how easily this difference can go unnoticed. A child learns ...

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 ...

Genetics plays a big role in color blindness. Find out why men are more at risk, and other factors that cause the condition. The human eye sees colors based on the wavelengths of the light radiating ...

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. This marks the first story ...

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 ...

Tenebraex's Peter Jones illuminates issues of night vision and color blindness in a data-driven world. Photos: Tenebraex tech for color blindness, night vision In a software-driven world, it's easy to ...