Protanopia
Protanopia noun - Dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue.
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Synonyms for Protanopia
Red blindness and protanopia are semantically related. In some cases you can replace phrase "Red blindness" with "Protanopia", this terms are similar.
Red blindness
Protanopia and red blindness are semantically related. Sometimes you can replace term "Protanopia" with "Red blindness", this terms are similar.
Mutual synonyms
Cite this Source
Red blindness and Protanopia. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/protanopia/red_blindness
Protanopia & Red blindness. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/protanopia/red_blindness>.
Red blindness or Protanopia. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/protanopia/red_blindness.
Google Ngram Viewer shows how "protanopia" and "red blindness" have occurred on timeline