vergence

[ vur-juhns ]

noun

, Ophthalmology.

1. the turning motion of the eyeballs toward or away from each other. Compare convergence ( def 4 ), divergence ( def 3 ).

vergence

/ ˈvɜːdʒəns /

noun

1. the inward or outward turning movement of the eyes in convergence or divergence

Word History and Origins

Origin of vergence¹

First recorded in 1900–05; verge ² + -ence

Word History and Origins

Origin of vergence¹

C19: from verge ² + -ence