supravergence

sursumvergence

 [sur″sum-ver´jens]
an upward movement, especially of an eye, where the other eye does not move.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

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.
Medical Dictionary, © 2009 Farlex and Partners

supravergence 

Movement of one eye upward relative to the other. Syn. sursumvergence. See infravergence; vergence.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann