noun Ophthalmology.
a defect of vision in which the images at the retinas are unequal in size.

1930–35; < Neo-Latin; see aniso-, eikon, -ia

aniseikonic [an-uh-sahy-kon-ik] , adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
aniseikonia (ˌænaɪsaɪˈkəʊnɪə)
a condition caused by a defect in the lens of the eye in which the images produced in the two eyes differ in size or shape
[C20: New Latin, from aniso- + Greek eikon image]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

aniseikonia an·i·sei·ko·ni·a (ān-ī'sī-kō'nē-ə)
A condition in which the shape and size of the ocular image differ in each eye.

The American Heritage® Stedman's Medical Dictionary
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