Aniseikonia

/ænɪsaɪˈkoʊniə/ noun

Definition

A medical condition of the eyes where the two eyes perceive images of different sizes, causing vision problems and discomfort.

Etymology

From Greek 'anis-' (unequal) + 'eikon' (image) + '-ia' (condition). Coined in the early 20th century by eye specialists to describe this specific binocular vision disorder.

Kelly Says

Aniseikonia is one of those hidden eye problems—one eye sees bigger than the other, which confuses your brain so much it can cause headaches, and it took modern optometry to even name it!

Related Words

Explore More Words

Get the Word Orb API

Complete word intelligence in one call. Free tier — 50 lookups/day.