- protan colour deficiency
- see protanopia.
Dictionary of Hallucinations. J.D. Blom. 2010.
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protanopia — Also known as protan colour deficiency and protan colour blindness. The term protanopia comes from the Greek words protos (first), an (not), and opsis (seeing). It translates roughly as not being able to see the first of the primary colours (i … Dictionary of Hallucinations