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tritanopic

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trit⋅an⋅o⋅pi⋅a

  [trahyt-n-oh-pee-uh]
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–noun Ophthalmology.
a defect of vision in which the retina fails to respond to blue and yellow.
Origin:
< NL, equiv. to trit- (< Gk trítos third ) + an- an- 1 + -opia -opia

Related forms:
trit⋅an⋅op⋅ic  [trahyt-n-op-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: trit·an·opia
Pronunciation: "trIt-&n-'O-pE-&, "trit-
Function: noun
: dichromatism in which the spectrum is seenin tones of red and green

Main Entry: trit·an·opic
Pronunciation: "trIt-&n-'O-pik, "trit-&n-'äp-ik
Function: adjective
: characterizedby or affected by tritanopia <tritanopic vision> tritanopic person>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

tritanopia tri·tan·o·pi·a (trī'tə-nō'pē-ə)
n.
A deficiency in color preception characterized by an inability to discern blue and yellow due to an absence of blue-sensitive pigment in the retina.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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