The story
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A form of strabismus in which, compared to the correct positioning of the eyes, there is a torsion of one eye (or both) about the eye's visual axis. Consequently, the visual fields of the two eyes appear tilted relative to each other. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.