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 ...

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 ...

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.

Colour blindness affects approximately one in 12 men and one in 200 women, which equates to 4.5 per cent of the population or around 2.7 million people in the UK, according to campaign group Colour ...

It is ascreening test done in routine eye examination to identify color vision defects and color blind individuals. The most commonly performed test to detect red green color deficiency is Ishihara ...