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Definition of Red-blindness
1. Noun. Dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue.
Exact synonyms: Protanopia
Generic synonyms: Red-green Color Blindness, Red-green Colour Blindness, Red-green Dichromacy
Derivative terms: Protanopic, Red-blind
Generic synonyms: Red-green Color Blindness, Red-green Colour Blindness, Red-green Dichromacy
Derivative terms: Protanopic, Red-blind