Comparison of three methods of tonometry in normal subjects: Goldmann applanation tonometer, non-contact airpuff tonometer, and Tono-Pen XL

Ihsan Yilmaz, Cigdem Altan, Ebru Demet Aygit, Cengiz Alagoz, Okkes Baz, Sibel Ahmet, Semih Urvasizoglu, Dilek Yasa, Ahmet DemirokBeyoglu Eye Training and Research Hospital, Istanbul, TurkeyObjective: We aimed to compare intraocular pressure (IOP) measurements via three different tonometers: the Gol...

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Autores principales: Yilmaz I, Altan C, Aygit ED, Alagoz C, Baz O, Ahmet S, Urvasizoglu S, Yasa D, Demirok A
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Publicado: Dove Medical Press 2014
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spelling oai:doaj.org-article:e71f454afe6e410195003c54f7f6809a2021-12-02T05:52:42ZComparison of three methods of tonometry in normal subjects: Goldmann applanation tonometer, non-contact airpuff tonometer, and Tono-Pen XL1177-5483https://doaj.org/article/e71f454afe6e410195003c54f7f6809a2014-06-01T00:00:00Zhttp://www.dovepress.com/comparison-of-three-methods-of-tonometry-in-normal-subjects-goldmann-a-a17126https://doaj.org/toc/1177-5483 Ihsan Yilmaz, Cigdem Altan, Ebru Demet Aygit, Cengiz Alagoz, Okkes Baz, Sibel Ahmet, Semih Urvasizoglu, Dilek Yasa, Ahmet DemirokBeyoglu Eye Training and Research Hospital, Istanbul, TurkeyObjective: We aimed to compare intraocular pressure (IOP) measurements via three different tonometers: the Goldmann applanation tonometer (GAT), the Tono-Pen® XL (TPXL), and a non-contact airpuff tonometer (NCT).Methods: This was a cross-sectional study of 200 eyes from 200 patients. Right eyes of all patients were included in this study. IOP was measured via GAT, NCT, and TPXL by three physicians. Each physician used one of the tonometers. Measurements via the three devices were compared.Results: The mean IOP was 15.5±2.2 mmHg (range 10–22) with the GAT, 16.1±3.0 (range 9–25) with the TPXL, and 16.1±2.8 (range 10–26) with the NCT. Bland–Altman analysis showed that the mean difference between measurements from the NCT and the GAT was 0.6±2.3 mmHg. The mean difference between the TPXL and GAT measurements was 0.7±2.5 mmHg. The mean difference between the NCT and TPXL measurements was −0.02±3.0 mmHg. There was no significant difference between the groups according to a one-way analysis of variance (ANOVA) test. P-values were 0.998 for NCT–TPXL, 0.067 for NCT–GAT, and 0.059 for TPXL–GAT.Conclusion: The NCT and TPXL provide IOP measurements comparable to those of the gold standard GAT in normotensive eyes.Keywords: tonometry, noncontact tonometry, Goldmann applanation tonometer, Tono-PenYilmaz IAltan CAygit EDAlagoz CBaz OAhmet SUrvasizoglu SYasa DDemirok ADove Medical PressarticleOphthalmologyRE1-994ENClinical Ophthalmology, Vol 2014, Iss default, Pp 1069-1074 (2014)
institution DOAJ
collection DOAJ
language EN
topic Ophthalmology
RE1-994
spellingShingle Ophthalmology
RE1-994
Yilmaz I
Altan C
Aygit ED
Alagoz C
Baz O
Ahmet S
Urvasizoglu S
Yasa D
Demirok A
Comparison of three methods of tonometry in normal subjects: Goldmann applanation tonometer, non-contact airpuff tonometer, and Tono-Pen XL
description Ihsan Yilmaz, Cigdem Altan, Ebru Demet Aygit, Cengiz Alagoz, Okkes Baz, Sibel Ahmet, Semih Urvasizoglu, Dilek Yasa, Ahmet DemirokBeyoglu Eye Training and Research Hospital, Istanbul, TurkeyObjective: We aimed to compare intraocular pressure (IOP) measurements via three different tonometers: the Goldmann applanation tonometer (GAT), the Tono-Pen® XL (TPXL), and a non-contact airpuff tonometer (NCT).Methods: This was a cross-sectional study of 200 eyes from 200 patients. Right eyes of all patients were included in this study. IOP was measured via GAT, NCT, and TPXL by three physicians. Each physician used one of the tonometers. Measurements via the three devices were compared.Results: The mean IOP was 15.5±2.2 mmHg (range 10–22) with the GAT, 16.1±3.0 (range 9–25) with the TPXL, and 16.1±2.8 (range 10–26) with the NCT. Bland–Altman analysis showed that the mean difference between measurements from the NCT and the GAT was 0.6±2.3 mmHg. The mean difference between the TPXL and GAT measurements was 0.7±2.5 mmHg. The mean difference between the NCT and TPXL measurements was −0.02±3.0 mmHg. There was no significant difference between the groups according to a one-way analysis of variance (ANOVA) test. P-values were 0.998 for NCT–TPXL, 0.067 for NCT–GAT, and 0.059 for TPXL–GAT.Conclusion: The NCT and TPXL provide IOP measurements comparable to those of the gold standard GAT in normotensive eyes.Keywords: tonometry, noncontact tonometry, Goldmann applanation tonometer, Tono-Pen
format article
author Yilmaz I
Altan C
Aygit ED
Alagoz C
Baz O
Ahmet S
Urvasizoglu S
Yasa D
Demirok A
author_facet Yilmaz I
Altan C
Aygit ED
Alagoz C
Baz O
Ahmet S
Urvasizoglu S
Yasa D
Demirok A
author_sort Yilmaz I
title Comparison of three methods of tonometry in normal subjects: Goldmann applanation tonometer, non-contact airpuff tonometer, and Tono-Pen XL
title_short Comparison of three methods of tonometry in normal subjects: Goldmann applanation tonometer, non-contact airpuff tonometer, and Tono-Pen XL
title_full Comparison of three methods of tonometry in normal subjects: Goldmann applanation tonometer, non-contact airpuff tonometer, and Tono-Pen XL
title_fullStr Comparison of three methods of tonometry in normal subjects: Goldmann applanation tonometer, non-contact airpuff tonometer, and Tono-Pen XL
title_full_unstemmed Comparison of three methods of tonometry in normal subjects: Goldmann applanation tonometer, non-contact airpuff tonometer, and Tono-Pen XL
title_sort comparison of three methods of tonometry in normal subjects: goldmann applanation tonometer, non-contact airpuff tonometer, and tono-pen xl
publisher Dove Medical Press
publishDate 2014
url https://doaj.org/article/e71f454afe6e410195003c54f7f6809a
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