Comparison of Goldmann applanation tonometry and Pascal dynamic contour tonometry in relation to central corneal thickness and corneal curvature

Konstantinos Andreanos, Chryssanthi Koutsandrea, Dimitris Papaconstantinou, Andreas Diagourtas, Andreas Kotoulas, Panagiotis Dimitrakas, Marilita M Moschos First Department of Ophthalmology, University of Athens, “G. Gennimatas” General Hospital of Athens, Athens, Greece Purpos...

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Autores principales:	Andreanos K, Koutsandrea C, Papaconstantinou D, Diagourtas A, Kotoulas A, Dimitrakas P, Moschos MM
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2016
Materias:	Glaucoma Goldmann Pascal Intraocular pressure Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/c9aa12c1e002429abfe0c4627b9369b7
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spelling	oai:doaj.org-article:c9aa12c1e002429abfe0c4627b9369b72021-12-02T06:29:09ZComparison of Goldmann applanation tonometry and Pascal dynamic contour tonometry in relation to central corneal thickness and corneal curvature1177-5483https://doaj.org/article/c9aa12c1e002429abfe0c4627b9369b72016-12-01T00:00:00Zhttps://www.dovepress.com/comparison-of-goldmann-applanation-tonometry-and-pascal-dynamic-contou-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Konstantinos Andreanos, Chryssanthi Koutsandrea, Dimitris Papaconstantinou, Andreas Diagourtas, Andreas Kotoulas, Panagiotis Dimitrakas, Marilita M Moschos First Department of Ophthalmology, University of Athens, “G. Gennimatas” General Hospital of Athens, Athens, Greece Purpose: The aim of the study was to assess the influence of central corneal thickness (CCT) and corneal curvature in tonometry measurements taken by Goldmann applanation tonometry (GAT) and Pascal dynamic contour tonometry (DCT).Methods: This was a prospective study of 185 eyes from 97 subjects, attending outpatient ophthalmology appointments, who underwent intraocular pressure measurements by GAT and Pascal DCT. CCT and corneal curvature were obtained using ultrasound pachymetry and Orbscan topography, respectively. All measurements were carried out among males and females during the period 2009–2012. Apart from the usual descriptive and exploratory data analysis, one-way analysis of variance and agreement analysis were performed, linear as well as intraclass correlation coefficients were estimated, and multiple scatter and Bland–Altman plots were produced.Results: Mean IOP measurements obtained were 17.21±4.10 mmHg by DCT and 13.23±4.07 mmHg by GAT. Mean difference between the GAT and DCT measurements was 3.88±2.8 mmHg. Mean CCT and corneal curvature were 522.78±52 µm and 43.83±2.9823 D, respectively.Conclusion: Intraocular pressure measured by GAT was consistently lower when compared with DCT, and this difference was greatest with thinner CCT. Flat corneas seem to influence GAT measurements compared to DCT. Keywords: glaucoma, Goldmann, Pascal, tonometryAndreanos KKoutsandrea CPapaconstantinou DDiagourtas AKotoulas ADimitrakas PMoschos MMDove Medical PressarticleGlaucomaGoldmannPascalIntraocular pressureOphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 10, Pp 2477-2484 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	Glaucoma Goldmann Pascal Intraocular pressure Ophthalmology RE1-994
spellingShingle	Glaucoma Goldmann Pascal Intraocular pressure Ophthalmology RE1-994 Andreanos K Koutsandrea C Papaconstantinou D Diagourtas A Kotoulas A Dimitrakas P Moschos MM Comparison of Goldmann applanation tonometry and Pascal dynamic contour tonometry in relation to central corneal thickness and corneal curvature
description	Konstantinos Andreanos, Chryssanthi Koutsandrea, Dimitris Papaconstantinou, Andreas Diagourtas, Andreas Kotoulas, Panagiotis Dimitrakas, Marilita M Moschos First Department of Ophthalmology, University of Athens, “G. Gennimatas” General Hospital of Athens, Athens, Greece Purpose: The aim of the study was to assess the influence of central corneal thickness (CCT) and corneal curvature in tonometry measurements taken by Goldmann applanation tonometry (GAT) and Pascal dynamic contour tonometry (DCT).Methods: This was a prospective study of 185 eyes from 97 subjects, attending outpatient ophthalmology appointments, who underwent intraocular pressure measurements by GAT and Pascal DCT. CCT and corneal curvature were obtained using ultrasound pachymetry and Orbscan topography, respectively. All measurements were carried out among males and females during the period 2009–2012. Apart from the usual descriptive and exploratory data analysis, one-way analysis of variance and agreement analysis were performed, linear as well as intraclass correlation coefficients were estimated, and multiple scatter and Bland–Altman plots were produced.Results: Mean IOP measurements obtained were 17.21±4.10 mmHg by DCT and 13.23±4.07 mmHg by GAT. Mean difference between the GAT and DCT measurements was 3.88±2.8 mmHg. Mean CCT and corneal curvature were 522.78±52 µm and 43.83±2.9823 D, respectively.Conclusion: Intraocular pressure measured by GAT was consistently lower when compared with DCT, and this difference was greatest with thinner CCT. Flat corneas seem to influence GAT measurements compared to DCT. Keywords: glaucoma, Goldmann, Pascal, tonometry
format	article
author	Andreanos K Koutsandrea C Papaconstantinou D Diagourtas A Kotoulas A Dimitrakas P Moschos MM
author_facet	Andreanos K Koutsandrea C Papaconstantinou D Diagourtas A Kotoulas A Dimitrakas P Moschos MM
author_sort	Andreanos K
title	Comparison of Goldmann applanation tonometry and Pascal dynamic contour tonometry in relation to central corneal thickness and corneal curvature
title_short	Comparison of Goldmann applanation tonometry and Pascal dynamic contour tonometry in relation to central corneal thickness and corneal curvature
title_full	Comparison of Goldmann applanation tonometry and Pascal dynamic contour tonometry in relation to central corneal thickness and corneal curvature
title_fullStr	Comparison of Goldmann applanation tonometry and Pascal dynamic contour tonometry in relation to central corneal thickness and corneal curvature
title_full_unstemmed	Comparison of Goldmann applanation tonometry and Pascal dynamic contour tonometry in relation to central corneal thickness and corneal curvature
title_sort	comparison of goldmann applanation tonometry and pascal dynamic contour tonometry in relation to central corneal thickness and corneal curvature
publisher	Dove Medical Press
publishDate	2016
url	https://doaj.org/article/c9aa12c1e002429abfe0c4627b9369b7
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Comparison of Goldmann applanation tonometry and Pascal dynamic contour tonometry in relation to central corneal thickness and corneal curvature

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