deuteranomalous vision

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Definition from Glossary

A form of anomalous trichromatism in which the viewer requires more green in a mixture of red and green to match spectral yellow than does a normal trichromat. The relative spectral visual sensitivity does not differ noticeably from normal. Hue discrimination is poor in the red to green region of the spectrum

Pronunciation
dōō′ter-a-no˘m′a-lus, dyōō′-ter-a-no˘m′a-lus vi˘zh′on