Daltonism is a specific type of red-green color vision deficiency, also known as color blindness. People with red-green color vision deficiency may confuse colors that contain red or green elements.

Color blindness is usually an inherited condition that makes it difficult to differentiate among shades of colors. Color blindness, or color deficiency, happens when the cones of the eye are missing ...

Blind and sighted people use many of the same devices in sketching their surroundings, suggesting that vision and touch are closely linked I first met Betty, a blind teenager in Toronto, as I was ...

Color blindness means your eye doesn't see color the way it should. Your eyes see differences in the light that comes in. It’s a bit like the way we hear sounds as being low or high. This is called ...

Color blindness occurs when problems with the color-sensing pigments in the eye cause a difficulty or an inability to distinguish colors. The majority of people who are colorblind can’t distinguish ...

When you hear "color blindness," you may initially buy into the popular misconception that people with the condition cannot perceive color at all. However, what it actually means is that people with ...

Online color blindness tests may give people an idea of whether they may be color blind and if so, which type of color blindness they might have. This information comes from the National Eye Institute ...

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.