Comparison of intraocular pressure measurements with the portable PT100 noncontact tonometer and Goldmann applanation tonometry

Sarwat Salim, Daniel J Linn, James R Echols II, Peter A NetlandHamilton Eye Institute, University of Tennessee Health Science Center, Memphis, TN, USAPurpose: Noncontact tonometers are useful when regulations preclude use of contact tonometers by medical students and other nonophthalmologists. Our s...

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Autores principales:	Sarwat Salim, Daniel J Linn, James R Echols II, Peter A Netland
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2009
Materias:	Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/aba907ee773d4663b0cb7d0d5d418102
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spelling	oai:doaj.org-article:aba907ee773d4663b0cb7d0d5d4181022021-12-02T02:54:09ZComparison of intraocular pressure measurements with the portable PT100 noncontact tonometer and Goldmann applanation tonometry1177-54671177-5483https://doaj.org/article/aba907ee773d4663b0cb7d0d5d4181022009-05-01T00:00:00Zhttp://www.dovepress.com/comparison-of-intraocular-pressure-measurements-with-the-portable-pt10-a3098https://doaj.org/toc/1177-5467https://doaj.org/toc/1177-5483Sarwat Salim, Daniel J Linn, James R Echols II, Peter A NetlandHamilton Eye Institute, University of Tennessee Health Science Center, Memphis, TN, USAPurpose: Noncontact tonometers are useful when regulations preclude use of contact tonometers by medical students and other nonophthalmologists. Our study compared the measurements by the portable, noncontact tonometer (PT100) with Goldmann applanation tonometry (GAT). Methods: This was a prospective study of 98 eyes from 98 patients. Intraocular pressure (IOP) was measured by GAT and the PT100 (Reichert, Buffalo, NY).Results: Mean IOP measurements showed no significant differences in measurements performed by the two tonometers (P = 0.64). Measurements by the two tonometers were in agreement by &le;3 mmHg in 92.8% of eyes. Linear regression analysis of PT100 vs GAT measurements revealed a slope of 0.98 with r2 = 0.58. Bland&ndash;Altman analysis showed a mean difference of measurements by GAT and PT100 of -0.3 mmHg with two standard deviation = 7.1 mmHg.Conclusion: The portable noncontact PT100 tonometer provides IOP measurements comparable to GAT within the normal range of IOP. Keywords: applanation tonometer, intraocular pressure, noncontact tonometry Sarwat SalimDaniel J LinnJames R Echols IIPeter A NetlandDove Medical PressarticleOphthalmologyRE1-994ENClinical Ophthalmology, Vol 2009, Iss default, Pp 341-344 (2009)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ophthalmology RE1-994
spellingShingle	Ophthalmology RE1-994 Sarwat Salim Daniel J Linn James R Echols II Peter A Netland Comparison of intraocular pressure measurements with the portable PT100 noncontact tonometer and Goldmann applanation tonometry
description	Sarwat Salim, Daniel J Linn, James R Echols II, Peter A NetlandHamilton Eye Institute, University of Tennessee Health Science Center, Memphis, TN, USAPurpose: Noncontact tonometers are useful when regulations preclude use of contact tonometers by medical students and other nonophthalmologists. Our study compared the measurements by the portable, noncontact tonometer (PT100) with Goldmann applanation tonometry (GAT). Methods: This was a prospective study of 98 eyes from 98 patients. Intraocular pressure (IOP) was measured by GAT and the PT100 (Reichert, Buffalo, NY).Results: Mean IOP measurements showed no significant differences in measurements performed by the two tonometers (P = 0.64). Measurements by the two tonometers were in agreement by &le;3 mmHg in 92.8% of eyes. Linear regression analysis of PT100 vs GAT measurements revealed a slope of 0.98 with r2 = 0.58. Bland&ndash;Altman analysis showed a mean difference of measurements by GAT and PT100 of -0.3 mmHg with two standard deviation = 7.1 mmHg.Conclusion: The portable noncontact PT100 tonometer provides IOP measurements comparable to GAT within the normal range of IOP. Keywords: applanation tonometer, intraocular pressure, noncontact tonometry
format	article
author	Sarwat Salim Daniel J Linn James R Echols II Peter A Netland
author_facet	Sarwat Salim Daniel J Linn James R Echols II Peter A Netland
author_sort	Sarwat Salim
title	Comparison of intraocular pressure measurements with the portable PT100 noncontact tonometer and Goldmann applanation tonometry
title_short	Comparison of intraocular pressure measurements with the portable PT100 noncontact tonometer and Goldmann applanation tonometry
title_full	Comparison of intraocular pressure measurements with the portable PT100 noncontact tonometer and Goldmann applanation tonometry
title_fullStr	Comparison of intraocular pressure measurements with the portable PT100 noncontact tonometer and Goldmann applanation tonometry
title_full_unstemmed	Comparison of intraocular pressure measurements with the portable PT100 noncontact tonometer and Goldmann applanation tonometry
title_sort	comparison of intraocular pressure measurements with the portable pt100 noncontact tonometer and goldmann applanation tonometry
publisher	Dove Medical Press
publishDate	2009
url	https://doaj.org/article/aba907ee773d4663b0cb7d0d5d418102
work_keys_str_mv	AT sarwatsalim comparisonofintraocularpressuremeasurementswiththeportablept100noncontacttonometerandgoldmannapplanationtonometry AT danieljlinn comparisonofintraocularpressuremeasurementswiththeportablept100noncontacttonometerandgoldmannapplanationtonometry AT jamesrecholsii comparisonofintraocularpressuremeasurementswiththeportablept100noncontacttonometerandgoldmannapplanationtonometry AT peteranetland comparisonofintraocularpressuremeasurementswiththeportablept100noncontacttonometerandgoldmannapplanationtonometry
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Comparison of intraocular pressure measurements with the portable PT100 noncontact tonometer and Goldmann applanation tonometry

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