applanation tonometer


ap·pla·na·tion to·nom·e·ter

an instrument for determining ocular tension by application of a small, flat disk to the cornea.

ap·pla·na·tion to·nom·e·ter

(ap'lă-nā'shŭn tō-nom'ĕ-tĕr) An instrument for determining ocular tension by application of a small, flat disc to the cornea.

applanation tonometer

A device for measuring intraocular pressure (IOP) indirectly. The IOP depends on the amount of pressure that is required to flatten a section of the cornea. Synonym: applanometerSee also: tonometer