1) Deuteranopia 2) Green-blindness 3) Red-green color blindness 4) Red-green colour blindness 5) Red-green dichromacy 1) Deuteranopia 
• (n.) Inability to perceive or distinguish certain colors, esp. red; color blindness. It has various forms and degrees. So called from the chemist Dalton, who had this infirmity.
(dawl´tәn-iz-әm) red-green color blindness.
Dal'ton·ism noun Inability to perceive or distinguish certain colors, esp. red; color blindness. It has various forms and degrees. So called from the chemist Dalton , who had this infirmity. Nichol. 
Inability to distinguish between red and green.
Type: Term Pronunciation: dawl′tŏn-izm Definitions: 1. A color vision deficiency, especially deuteranomaly or deuteranopia.