deuteranopsia


deuteranopia

 [doo″ter-ah-no´pe-ah] 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]