Applanation tonometry: a comparison of the Perkins handheld and Goldmann slit lamp-mounted methods

R Arora,1 H Bellamy,2 MW Austin21University Hospital of Southampton, Southampton, Hampshire, 2Singleton Hospital, Abertawe Bro Morgannwg University Health Board, Swansea, Wales, UKPurpose: To compare intraocular pressure (IOP) measurements, taken using Perkins applanation tonometry (PAT) and Goldma...

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Autores principales:	Arora R, Bellamy H, Austin MW
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2014
Materias:	Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/c3b9c372b13942cf8657502c1b4e5fb8
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spelling	oai:doaj.org-article:c3b9c372b13942cf8657502c1b4e5fb82021-12-02T04:58:29ZApplanation tonometry: a comparison of the Perkins handheld and Goldmann slit lamp-mounted methods1177-5483https://doaj.org/article/c3b9c372b13942cf8657502c1b4e5fb82014-03-01T00:00:00Zhttp://www.dovepress.com/applanation-tonometry-a-comparison-of-the-perkins-handheld-and-goldman-a16223https://doaj.org/toc/1177-5483 R Arora,1 H Bellamy,2 MW Austin21University Hospital of Southampton, Southampton, Hampshire, 2Singleton Hospital, Abertawe Bro Morgannwg University Health Board, Swansea, Wales, UKPurpose: To compare intraocular pressure (IOP) measurements, taken using Perkins applanation tonometry (PAT) and Goldmann applanation tonometry (GAT).Methods: 100 eyes of 100 patients underwent Perkins and Goldmann applanation tonometry, with a randomized order of modality, performed by a masked observer. The right eye was measured, for all subjects, and the data used in statistical analysis. The comparability of results given by the two instruments was evaluated using the Bland–Altman method.Results: IOP measurements for 100 eyes were obtained (range: 10–44 mmHg). The mean GAT reading was 21.63 mmHg, with standard deviation (SD) 5.69 mmHg. The mean PAT reading was 21.40 mmHg, with SD 5.67 mmHg. The mean difference between readings from Goldmann versus Perkins tonometry was 0.22 mmHg (SD: 0.44 mmHg). The limits of agreement were calculated to be -0.64–+1.08 mmHg (1.96 SD either side of the bias).Conclusion: The Perkins applanation tonometer yields IOP measurements that are closely comparable with GAT. Therefore, PAT may be used in routine clinical practice, as part of the implementation of national guidelines, or preferred practice patterns, for glaucoma and ocular hypertension.Keywords: glaucoma, intraocular pressure, ocular tonometry, Perkins applanation tonometry, Goldmann applanation tonometryArora RBellamy HAustin MWDove Medical PressarticleOphthalmologyRE1-994ENClinical Ophthalmology, Vol 2014, Iss default, Pp 605-610 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ophthalmology RE1-994
spellingShingle	Ophthalmology RE1-994 Arora R Bellamy H Austin MW Applanation tonometry: a comparison of the Perkins handheld and Goldmann slit lamp-mounted methods
description	R Arora,1 H Bellamy,2 MW Austin21University Hospital of Southampton, Southampton, Hampshire, 2Singleton Hospital, Abertawe Bro Morgannwg University Health Board, Swansea, Wales, UKPurpose: To compare intraocular pressure (IOP) measurements, taken using Perkins applanation tonometry (PAT) and Goldmann applanation tonometry (GAT).Methods: 100 eyes of 100 patients underwent Perkins and Goldmann applanation tonometry, with a randomized order of modality, performed by a masked observer. The right eye was measured, for all subjects, and the data used in statistical analysis. The comparability of results given by the two instruments was evaluated using the Bland–Altman method.Results: IOP measurements for 100 eyes were obtained (range: 10–44 mmHg). The mean GAT reading was 21.63 mmHg, with standard deviation (SD) 5.69 mmHg. The mean PAT reading was 21.40 mmHg, with SD 5.67 mmHg. The mean difference between readings from Goldmann versus Perkins tonometry was 0.22 mmHg (SD: 0.44 mmHg). The limits of agreement were calculated to be -0.64–+1.08 mmHg (1.96 SD either side of the bias).Conclusion: The Perkins applanation tonometer yields IOP measurements that are closely comparable with GAT. Therefore, PAT may be used in routine clinical practice, as part of the implementation of national guidelines, or preferred practice patterns, for glaucoma and ocular hypertension.Keywords: glaucoma, intraocular pressure, ocular tonometry, Perkins applanation tonometry, Goldmann applanation tonometry
format	article
author	Arora R Bellamy H Austin MW
author_facet	Arora R Bellamy H Austin MW
author_sort	Arora R
title	Applanation tonometry: a comparison of the Perkins handheld and Goldmann slit lamp-mounted methods
title_short	Applanation tonometry: a comparison of the Perkins handheld and Goldmann slit lamp-mounted methods
title_full	Applanation tonometry: a comparison of the Perkins handheld and Goldmann slit lamp-mounted methods
title_fullStr	Applanation tonometry: a comparison of the Perkins handheld and Goldmann slit lamp-mounted methods
title_full_unstemmed	Applanation tonometry: a comparison of the Perkins handheld and Goldmann slit lamp-mounted methods
title_sort	applanation tonometry: a comparison of the perkins handheld and goldmann slit lamp-mounted methods
publisher	Dove Medical Press
publishDate	2014
url	https://doaj.org/article/c3b9c372b13942cf8657502c1b4e5fb8
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Applanation tonometry: a comparison of the Perkins handheld and Goldmann slit lamp-mounted methods

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