Noun
dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red
Source: WordNetEpidemiology Color blindness affects a large number of individuals, with protanopia and deuteranopia being the most common types. Source: Internet
Conventional color coding is difficult for individuals with red-green color blindness (protanopia or deuteranopia) to discriminate. Source: Internet
Because of Dalton's work, the general condition has been called daltonism, although in English this term is now used only for deuteranopia. Source: Internet