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defective color vision, with confusion of greens and reds, and retention of the sensory mechanism for only the hues of blue and yellow. adj., adj deuteranop´ic.
deu·ter·an·o·pi·a, deuteranopsia (dū'tĕr-ă-nō'pē-ă, -opsē-ă)
A congenital abnormality of the retina in which there are two rather than three retinal cone pigments (dichromatism) and complete insensitivity to middle wavelengths (green).
[G. deuteros, second, + anopia]