A type of partial colour deficiency due to a deficiency or abnormality of blue-sensitive retinal cones. ... Origin: G. Tritos, third, + anomalia, irregularity ... (05 Mar 2000) ... 
(tri″tә-nom´ә-le) a rare type of anomalous trichromatic vision in which the third, blue-sensitive, cones have decreased sensitivity.
Type: Term Pronunciation: trī′tă-nom′ă-lē Definitions: 1. A type of partial color deficiency due to a deficiency or abnormality of blue-sensitive retinal cones.
tritanomaly A type of partial color deficiency due to a deficiency or abnormality of blue-sensitive retinal cones.