Also found in: Thesaurus, Medical, Encyclopedia.
Related to protanopic: protanopia


A form of colorblindness characterized by defective perception of red and confusion of red with green or bluish green.

[prot(o)- + an- + -opia (from the blindness to red, which is considered the first of the primary colors).]

pro′ta·nop′ic (-nŏp′ĭk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.protanopic - inability to see the color red or to distinguish red and bluish-green
blind, unsighted - unable to see; "a person is blind to the extent that he must devise alternative techniques to do efficiently those things he would do with sight if he had normal vision"--Kenneth Jernigan
References in periodicals archive ?
50% of the daughters will be carders of protanopia and all sons will be protanopic
50% of the daughters will be carders of protonopia and 50% of the sons will be protanopic