orbitonometer

orbitonometer

 [or″bĭ-to-nom´ĕ-ter] an instrument for measuring backward displacement of the eyeball produced by a given pressure on its anterior aspect.

or·bi·to·nom·e·ter

(ōr'bi-tō-nom'ĕ-tĕr), An instrument that measures the resistance offered to pressing the eyeball backward into its socket. [L. orbita, orbit, + G. metron, measure]

or·bi·to·nom·e·ter

(ōr'bi-tō-nom'ĕ-tĕr) An instrument that measures the resistance offered to pressing the eyeball backwards into its socket. [L. orbita, orbit, + G. metron, measure]