Medical term:
tritanopia
tritanopia
[tri″tah-no´pe-ah]defective color vision in which the blue-sensitive pigment of the retinal cones is absent. adj., adj tritanop´ic.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
tri·ta·no·pi·a
(trī'tă-nō'pē-ă), [MIM*190900]Deficient color perception in which there is an absence of blue-sensitive pigment in the retinal cones.
[G. tritos, third, + an- priv. + ōps, eye]
Farlex Partner Medical Dictionary © Farlex 2012
tritanopia
(trī′tə-nō′pē-ə)n.
A visual defect characterized by the inability to discern blue and yellow.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
tri·ta·no·pi·a
(trī'tă-nō'pē-ă)Deficient color perception in which there is an absence of blue-sensitive pigment in the retinal cones.
[G. tritos, third, + an- priv. + ōps, eye]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
tritanopia
Unable to appreciate the colour blue. This is a rare defect of colour perception.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
tritanopia
A rare type of dichromatism in which blue and yellow are confused. The tritanope only sees two colours: reds on the long-wave side, and greens or bluish greens on the other side of his neutral point, which is situated around 570 nm. Tritanopia occurs more often as an acquired type as a result of retinal disease or detachment, glaucoma, diabetes, retinitis pigmentosa, etc. Congenital tritanopia is very rare: it is estimated at about five males and three females in 100 000. Syn. blue blindness; blue-yellow blindness. See defective colour vision; dichromatism; pseudoisochromatic plates; Farnsworth test.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
tri·ta·no·pi·a
(trī'tă-nō'pē-ă) [MIM*190900]Deficient color perception in which there is an absence of blue-sensitive pigment in the retinal cones.
[G. tritos, third, + an- priv. + ōps, eye]
Medical Dictionary for the Dental Professions © Farlex 2012
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