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 ...

Biologists modified simple electronics to create a color vision test for fiddler crabs and other animals. Fiddler crabs have a simple solution to life's daily perils: run. University of Cincinnati ...

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 ...