applanation


applanation
n.
a method of flattening the cornea that is used to determine the intraocular pressure in applanation tonometry (see tonometer).

The new mediacal dictionary. 2014.

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  • applanation — In tonometry, the flattening of the cornea by pressure. Intraocular pressure is directly proportional to external pressure, and inversely proportional to the area flattened. SEE ALSO: a. tonometer. [L. ad, toward, + planum, plane] * * *… …   Medical dictionary

  • Applanation — Ap|planatio̱n [zu ad... u. lat. planus = flach, eben] w; , en, in fachspr. Fügungen: Ap|plana̱tio, Mehrz.: ...io̱|nes: Abflachung; im engeren Sinne: Ap|plana̱tio cọrneae: Abflachung der Hornhaut (angeboren oder Zeichen einer beginnenden… …   Das Wörterbuch medizinischer Fachausdrücke

  • Applanation — Ap|pla|na|ti|on* die; , en <zu ↑ad..., lat. planare »ebnen« (vgl. ↑applanieren) u. ↑...ation> Abflachung der Hornhaut des Auges (Med.) …   Das große Fremdwörterbuch

  • applanation tonometer — n an ophthalmologic instrument used to determine pressure within the eye by measuring the force necessary to flatten an area of the cornea with a small disk * * * an instrument that measures intraocular pressure by determination of the force… …   Medical dictionary

  • Goldmann applanation tonometer — see tonometer H. Goldmann (1899 1991), Swiss ophthalmologist …   Medical dictionary

  • Goldmann applanation tonometer — an instrument for measuring intraocular pressure which eliminates the effects of scleral resistance …   Medical dictionary

  • Goldmann applanation tonometer — see tonometer [Goldmann (1899–1991), Swiss ophthalmologist] …   The new mediacal dictionary

  • Tonometry — In music, a tonometer is an instrument used to determine the pitch or vibration rate of tones, such as a tuning fork. Tonometry is the measurement of tension or pressure [http://www.mercksource.org/pp/us/cns/cns hl… …   Wikipedia

  • Ocular tonometry — This article is about Ocular tonometry. For Gastric Tonometry, see Gastric tonometry. Ocular tonometry Intervention A patient in front of a tonometer ICD 9 CM …   Wikipedia

  • tonometer — 1. An instrument for determining pressure or tension, especially an instrument for determining ocular tension. 2. A vessel for equilibrating a liquid ( e.g., blood) with a gas, usually at a controlled temperature; originally so named because it… …   Medical dictionary


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