IEVref:845-22-023ID:
Language:enStatus: Standard
Term: defective colour vision
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Definition: anomaly of vision in which there is a reduced ability to discriminate between some or all colours

Note 1 to entry: Types of defective colour vision include

– anomalous trichromatism: deuteranomaly, protanomaly and tritanomaly;

– dichromatism: deuteranopia, protanopia and tritanopia;

– monochromatism.

Note 2 to entry: This entry was numbered 845-02-13 in IEC 60050-845:1987.


Publication date:2020-12
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