Schiötz’ tonometer /shē·ets″/ [Hjalmar Schiötz, Norwegian ophthalmologist, 1850–1927; Gk, tonos, stretching, metron, measure] , a tonometer used to measure intraocular pressure by observing the depth of indentation of the cornea made by the weighted plunger on the device after a topical anesthetic is applied.
