| NOUN | state | red-green color blindness, red-green dichromacy, red-green colour blindness | confusion of red and green |
|---|
| Meaning | confusion of red and green. | |
|---|---|---|
| Synonyms | red-green dichromacy, red-green colour blindness | |
| Narrower | deuteranopia, Daltonism, green-blindness | dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red |
| protanopia, red-blindness | dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue | |
| Broader | dichromacy, dichromatism, dichromatopsia, dichromia, dichromasy | A deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision) |
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