Color blindness occurs when there is a problem with the granules (pigments ) that perceive color in certain neurons of the eye, called cones . These cells are found in the retina , the layer of light-sensitive lining the back of the eye tissue.

Color blindness occurs when there is a problem with the granules (pigments ) that perceive color in certain neurons of the eye, called cones . These cells are found in the retina , the layer of light-sensitive lining the back of the eye tissue.

If you only need a pigment , you may have difficulty distinguishing between red and green , which is the most common type of color blindness. If you go to a different pigment , you may have trouble seeing the blue and yellow colors. People with color blindness to the blue and yellow colors usually have problems identify reds and greens .

If you only need a pigment , you may have difficulty distinguishing between red and green , which is the most common type of color blindness. If you go to a different pigment , you may have trouble seeing the blue and yellow colors. People with color blindness to the blue and yellow colors usually have problems identify reds and greens .