supravergence

sursumvergence

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

supravergence

(soo″pră-vĕr′jĕns) [″ + vergere, to be inclined]
A condition in which one eye moves upward in the vertical plane while the other does not.

supravergence 

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