orbitonometer

[ ôr′bĭ-tə-nŏmĭ-tər ]

n.

An instrument for measuring the resistance of the eyeball as it is pressed backward into its socket.
Related formsor′bi•to•nome•try n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.