sursumvergence

sursumvergence

 [sur″sum-ver´jens] an upward movement, especially of an eye, where the other eye does not move.

sursumvergence

S24-919700 (sŭr″sŭm-vĕr′jĕns) [″ + vergere, to turn] An upward turning of the eyes to maintain single binocular vision.

supravergence 

Movement of one eye upward relative to the other. Syn. sursumvergence. See infravergence; vergence.