aniseikonia

[ an-uh-sahy-koh-nee-uh ]

noun

, Ophthalmology.

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

aniseikonia

/ ˌænaɪsaɪˈkəʊnɪə /

noun

1. 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

Derived Forms

• ˌaniseiˈkonic, adjective

Other Words From

• an·is·ei·kon·ic [an-, uh, -sahy-, kon, -ik], adjective

Word History and Origins

Origin of aniseikonia¹

From New Latin, dating back to 1930–35; aniso-, eicon, -ia

Word History and Origins

Origin of aniseikonia¹

C20: New Latin, from aniso- + Greek eikon image

Example Sentences

Though only about 1,000 cases had been observed, he estimated that 20% to 30% of all eye sufferers may be affected by a condition which he named aniseikonia.

From Time Magazine Archive

I feel that before aniseikonia was discovered we were somewhat in the position of the astronomers studying the solar system before all the important planets had been located.

From Time Magazine Archive

Aniseikonia is Greek for "unequal images."

From Time Magazine Archive

The Dartmouth researchers are not yet sure of aniseikonia's cause.

From Time Magazine Archive