Color-blindness resulting from insensitivity to red light, causing confusion of greens, reds, and yellows. It is hereditary and is the most common form of color-blindness. Also called daltonism. Compare with deuteranopia, tritanopia.
More example sentences
- Someone pointed out to us yesterday that the current things colour scheme is far from ideal if you suffer from protanopia, deutanopia or tritanopia - colour blindness.
- The genetic cause has been determined for several color vision defects, achromatopsia (the loss of all color vision), blue monochromatism, protanopia, deuteranopia, and enhanced S-cone syndrome.
Definition of protanopia in:
- The British & World English dictionary