A Comparative Study Between the Goldmann Applanation Tonometer and the Non-Contact Air-Puff Tonometer (Huvitz HNT 7000) in Normal Eyes

Ricardo Alexandre Stock, Carine Ströher, Rodrigo Rosa Sampaio, Rafael André Mergener, Elcio Luiz Bonamigo Medical School of the University of the West of Santa Catarina (Universidade do Oeste de Santa Catarina – UNOESC), Joaçaba, Santa Catarina, BrazilCorresp...

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Autores principales:	Stock RA, Ströher C, Sampaio RR, Mergener RA, Bonamigo EL
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2021
Materias:	ocular tonometry glaucoma ocular hypertension intraocular pressure efficiency Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/5d53167e93824e29aa72668acb5b0924
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spelling	oai:doaj.org-article:5d53167e93824e29aa72668acb5b09242021-12-02T13:30:38ZA Comparative Study Between the Goldmann Applanation Tonometer and the Non-Contact Air-Puff Tonometer (Huvitz HNT 7000) in Normal Eyes1177-5483https://doaj.org/article/5d53167e93824e29aa72668acb5b09242021-02-01T00:00:00Zhttps://www.dovepress.com/a-comparative-study-between-the-goldmann-applanation-tonometer-and-the-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Ricardo Alexandre Stock, Carine Ströher, Rodrigo Rosa Sampaio, Rafael André Mergener, Elcio Luiz Bonamigo Medical School of the University of the West of Santa Catarina (Universidade do Oeste de Santa Catarina – UNOESC), Joaçaba, Santa Catarina, BrazilCorrespondence: Ricardo Alexandre Stock Belotto Stock Centro Oftalmológico, Rua Rio Branco, 589, Centro, CEP: 89, Joaçaba, SC, 600-000, BrazilTel + 55 49 35220788Fax + 55 49 35225059Email ricardostockreal@gmail.comObjective: To assess whether the non-contact air-puff tonometer (NCT) is an appropriate alternative to the Goldmann applanation tonometer (GAT) for measuring intraocular pressure (IOP).Patients and Methods: An observational, cross-sectional, and comparative study with a quantitative approach was carried out. Two techniques for IOP measurements using the standard GAT and the NCT were compared. A total of 180 eyes from 90 patients were included in the study.Results: The total mean IOP according to NCT measurements was 14.12 mmHg, and the total mean IOP according to the GAT was 12.98 mmHg; these values were significantly different (p=0.0018). When dividing the participants into three groups according to the measurement range obtained and comparing the mean NCT and GAT measurements in each group, in Group 1 (10– 15 mmHg), no statistically significant difference was found between the means of the two tonometers (p=0.3100), a difference was observed between Group 2 (16– 19 mmHg) and Group 3 (20 mmHg or more) (p< 0.001). When dividing the participants by age group, the means obtained by the two tonometers also differed significantly between Group 4 (40– 59 years) and Group 5 (60 years or more) (p< 0.0001). In all groups, the mean measurements by the NCT were higher than those by the GAT.Conclusion: The NCT presented an approximate mean of the measures with the GAT in group 1 but was overestimated in the measurements of the groups 2 and 3.Keywords: ocular tonometry, glaucoma, ocular hypertension, intraocular pressure, efficiencyStock RAStröher CSampaio RRMergener RABonamigo ELDove Medical Pressarticleocular tonometryglaucomaocular hypertensionintraocular pressureefficiencyOphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 15, Pp 445-451 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	ocular tonometry glaucoma ocular hypertension intraocular pressure efficiency Ophthalmology RE1-994
spellingShingle	ocular tonometry glaucoma ocular hypertension intraocular pressure efficiency Ophthalmology RE1-994 Stock RA Ströher C Sampaio RR Mergener RA Bonamigo EL A Comparative Study Between the Goldmann Applanation Tonometer and the Non-Contact Air-Puff Tonometer (Huvitz HNT 7000) in Normal Eyes
description	Ricardo Alexandre Stock, Carine Ströher, Rodrigo Rosa Sampaio, Rafael André Mergener, Elcio Luiz Bonamigo Medical School of the University of the West of Santa Catarina (Universidade do Oeste de Santa Catarina – UNOESC), Joaçaba, Santa Catarina, BrazilCorrespondence: Ricardo Alexandre Stock Belotto Stock Centro Oftalmológico, Rua Rio Branco, 589, Centro, CEP: 89, Joaçaba, SC, 600-000, BrazilTel + 55 49 35220788Fax + 55 49 35225059Email ricardostockreal@gmail.comObjective: To assess whether the non-contact air-puff tonometer (NCT) is an appropriate alternative to the Goldmann applanation tonometer (GAT) for measuring intraocular pressure (IOP).Patients and Methods: An observational, cross-sectional, and comparative study with a quantitative approach was carried out. Two techniques for IOP measurements using the standard GAT and the NCT were compared. A total of 180 eyes from 90 patients were included in the study.Results: The total mean IOP according to NCT measurements was 14.12 mmHg, and the total mean IOP according to the GAT was 12.98 mmHg; these values were significantly different (p=0.0018). When dividing the participants into three groups according to the measurement range obtained and comparing the mean NCT and GAT measurements in each group, in Group 1 (10– 15 mmHg), no statistically significant difference was found between the means of the two tonometers (p=0.3100), a difference was observed between Group 2 (16– 19 mmHg) and Group 3 (20 mmHg or more) (p< 0.001). When dividing the participants by age group, the means obtained by the two tonometers also differed significantly between Group 4 (40– 59 years) and Group 5 (60 years or more) (p< 0.0001). In all groups, the mean measurements by the NCT were higher than those by the GAT.Conclusion: The NCT presented an approximate mean of the measures with the GAT in group 1 but was overestimated in the measurements of the groups 2 and 3.Keywords: ocular tonometry, glaucoma, ocular hypertension, intraocular pressure, efficiency
format	article
author	Stock RA Ströher C Sampaio RR Mergener RA Bonamigo EL
author_facet	Stock RA Ströher C Sampaio RR Mergener RA Bonamigo EL
author_sort	Stock RA
title	A Comparative Study Between the Goldmann Applanation Tonometer and the Non-Contact Air-Puff Tonometer (Huvitz HNT 7000) in Normal Eyes
title_short	A Comparative Study Between the Goldmann Applanation Tonometer and the Non-Contact Air-Puff Tonometer (Huvitz HNT 7000) in Normal Eyes
title_full	A Comparative Study Between the Goldmann Applanation Tonometer and the Non-Contact Air-Puff Tonometer (Huvitz HNT 7000) in Normal Eyes
title_fullStr	A Comparative Study Between the Goldmann Applanation Tonometer and the Non-Contact Air-Puff Tonometer (Huvitz HNT 7000) in Normal Eyes
title_full_unstemmed	A Comparative Study Between the Goldmann Applanation Tonometer and the Non-Contact Air-Puff Tonometer (Huvitz HNT 7000) in Normal Eyes
title_sort	comparative study between the goldmann applanation tonometer and the non-contact air-puff tonometer (huvitz hnt 7000) in normal eyes
publisher	Dove Medical Press
publishDate	2021
url	https://doaj.org/article/5d53167e93824e29aa72668acb5b0924
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A Comparative Study Between the Goldmann Applanation Tonometer and the Non-Contact Air-Puff Tonometer (Huvitz HNT 7000) in Normal Eyes

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