color blindness or colorblindness. normal vision, protanopia, tritanopia and deuteranopia. color vision deficiency spectrum.

ability are blind blindness blue brain cell chromosome clear color colorblind colors compared cone dalton daltonism decreased deuteranomaly deuteranopia diagnostic dichromacy digit eye graphic green health hue icons illustration indication infographics invisible isolated medical nerve normal optical palette plate protanomaly protanopia randomized red redgreen retina scientific see sense shade spot tritanomaly tritanopia various vector view visible vision weakness white