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[dih-ploh-pee-uh] /dɪˈploʊ pi ə/
noun, Ophthalmology
a pathological condition of vision in which a single object appears double (opposed to haplopia).
Also called double vision.
Origin of diplopia
1805-15; < New Latin; see diplo-, -opia
Related forms
[dih-plop-ik, -ploh-pik] /dɪˈplɒp ɪk, -ˈploʊ pɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for diplopia


a visual defect in which a single object is seen in duplicate; double vision. It can be caused by incorrect fixation or by an abnormality in the visual system
Derived Forms
diplopic (dɪˈplɒpɪk) adjective
Word Origin
C19: New Latin, from diplo- + Greek ōps eye
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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diplopia in Medicine

diplopia di·plo·pi·a (dĭ-plō'pē-ə)
See double vision.

di·plo'pic (-plō'pĭk, -plŏp'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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diplopia in Science
A disorder of vision in which a single object appears double.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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