tonometer

tonometer Definition

to·nom·eter (tō näm′ət ər)

noun

an instrument for determining the pitch of a tone; specif., a tuning fork or, esp., a set of tuning forks
an instrument for measuring vapor pressure
Med., Physiol. any of various instruments for measuring tension, as of the eyeball, or pressure, as of the blood

Etymology: < Gr tonos, tone + -meter

tonometer Related Forms

tono·met·ric (tän′ə me′trik, tō′nə-) adjective to·nom′·etry noun

tonometer Usage Examples

Adjective modifier

non-contact: The optometrist is also likely to use a non-contact tonometer to blow a puff of air at the eye to measure internal pressure.

Modifies a noun

head: If this method is used, tonometer heads should then be rinsed thoroughly in sterile saline or boiled water and wiped dry.

Noun used with modifier

applanation: Intraocular pressure was measured with a Goldmann applanation tonometer in the right eye only It was 14 mmHg at 17:00.

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