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Comparison of dynamic contour tonometry with Goldmann applanation tonometry in glaucoma practice

. Purpose:  To compare intraocular pressure (IOP) readings taken using dynamic contour tonometry (DCT) with IOP readings taken with Goldmann applanation tonometry (GAT) in eyes with glaucoma or ocular hypertension. Methods:  The present study included 100 eyes in 100 patients with glaucoma or ocular...

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Published in:Acta ophthalmologica (Oxford, England) England), 2009-05, Vol.87 (3), p.323-328
Main Authors: Halkiadakis, Ioannis, Patsea, Eleni, Chatzimichali, Katerina, Skouriotis, Sotiris, Chalkidou, Sonia, Amariotakis, Georgios, Papakonstadinou, Dimitrios, Theodossiadis, George, Amariotakis, Apostolos, Georgopoulos, Gerasimos
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container_title Acta ophthalmologica (Oxford, England)
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creator Halkiadakis, Ioannis
Patsea, Eleni
Chatzimichali, Katerina
Skouriotis, Sotiris
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Papakonstadinou, Dimitrios
Theodossiadis, George
Amariotakis, Apostolos
Georgopoulos, Gerasimos
description . Purpose:  To compare intraocular pressure (IOP) readings taken using dynamic contour tonometry (DCT) with IOP readings taken with Goldmann applanation tonometry (GAT) in eyes with glaucoma or ocular hypertension. Methods:  The present study included 100 eyes in 100 patients with glaucoma or ocular hypertension. After pachymetry DCT and GAT were performed. Intraocular pressures as measured with DCT and GAT were compared with one another and with central corneal thickness (CCT). Results:  Mean DCT IOP measurements (20.1 ± 4.3 mmHg) were significantly (p 
doi_str_mv 10.1111/j.1755-3768.2008.01239.x
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Purpose:  To compare intraocular pressure (IOP) readings taken using dynamic contour tonometry (DCT) with IOP readings taken with Goldmann applanation tonometry (GAT) in eyes with glaucoma or ocular hypertension. Methods:  The present study included 100 eyes in 100 patients with glaucoma or ocular hypertension. After pachymetry DCT and GAT were performed. Intraocular pressures as measured with DCT and GAT were compared with one another and with central corneal thickness (CCT). Results:  Mean DCT IOP measurements (20.1 ± 4.3 mmHg) were significantly (p &lt; 0.001) higher than GAT IOP values (17.9 ± 4.7 mmHg). The mean difference between DCT and GAT measurements was 2.1 mmHg (range − 3.4 to 9.7 mmHg). The difference followed a normal distribution. Measurements made with DCT and GAT correlated significantly with one another (Spearman’s rho = 0.761, p &lt; 0.001). Neither GAT nor DCT measurements showed a significant correlation with CCT (537 ± 39 μm, range 458–656 μm). Multivariate regression analysis has shown that the difference between DCT and GAT is influenced significantly by ocular pulse amplitude (r = − 0.334, p = 0.001) and it is not influenced by CCT (r = − 0.106, p = 0.292). Conclusions:  In eyes with glaucoma or ocular hypertension, DCT facilitates suitable and reliable IOP measurements which are in good concordance with GAT readings. Variation in CCT cannot by itself explain the differences in measurements taken with DCT and GAT in a number of eyes.</description><identifier>ISSN: 1755-375X</identifier><identifier>EISSN: 1755-3768</identifier><identifier>DOI: 10.1111/j.1755-3768.2008.01239.x</identifier><identifier>PMID: 18631335</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Aged ; Aged, 80 and over ; central corneal thickness ; dynamic contour tonometry ; Female ; glaucoma ; Glaucoma - diagnosis ; Glaucoma - physiopathology ; Goldmann applanation tonometry ; Humans ; Intraocular Pressure ; Male ; Middle Aged ; ocular hypertension ; Ocular Hypertension - diagnosis ; Ocular Hypertension - physiopathology ; Reproducibility of Results ; Tonometry, Ocular - methods ; Tonometry, Ocular - standards</subject><ispartof>Acta ophthalmologica (Oxford, England), 2009-05, Vol.87 (3), p.323-328</ispartof><rights>2008 The Authors. Journal compilation © 2008 Acta Ophthalmol</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4179-ca97068bf19cf8dcc3e846e16f6faae2882586e3144115f053d4e44e98cb7ab93</citedby><cites>FETCH-LOGICAL-c4179-ca97068bf19cf8dcc3e846e16f6faae2882586e3144115f053d4e44e98cb7ab93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18631335$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Halkiadakis, Ioannis</creatorcontrib><creatorcontrib>Patsea, Eleni</creatorcontrib><creatorcontrib>Chatzimichali, Katerina</creatorcontrib><creatorcontrib>Skouriotis, Sotiris</creatorcontrib><creatorcontrib>Chalkidou, Sonia</creatorcontrib><creatorcontrib>Amariotakis, Georgios</creatorcontrib><creatorcontrib>Papakonstadinou, Dimitrios</creatorcontrib><creatorcontrib>Theodossiadis, George</creatorcontrib><creatorcontrib>Amariotakis, Apostolos</creatorcontrib><creatorcontrib>Georgopoulos, Gerasimos</creatorcontrib><title>Comparison of dynamic contour tonometry with Goldmann applanation tonometry in glaucoma practice</title><title>Acta ophthalmologica (Oxford, England)</title><addtitle>Acta Ophthalmol</addtitle><description>. Purpose:  To compare intraocular pressure (IOP) readings taken using dynamic contour tonometry (DCT) with IOP readings taken with Goldmann applanation tonometry (GAT) in eyes with glaucoma or ocular hypertension. Methods:  The present study included 100 eyes in 100 patients with glaucoma or ocular hypertension. After pachymetry DCT and GAT were performed. Intraocular pressures as measured with DCT and GAT were compared with one another and with central corneal thickness (CCT). Results:  Mean DCT IOP measurements (20.1 ± 4.3 mmHg) were significantly (p &lt; 0.001) higher than GAT IOP values (17.9 ± 4.7 mmHg). The mean difference between DCT and GAT measurements was 2.1 mmHg (range − 3.4 to 9.7 mmHg). The difference followed a normal distribution. Measurements made with DCT and GAT correlated significantly with one another (Spearman’s rho = 0.761, p &lt; 0.001). Neither GAT nor DCT measurements showed a significant correlation with CCT (537 ± 39 μm, range 458–656 μm). Multivariate regression analysis has shown that the difference between DCT and GAT is influenced significantly by ocular pulse amplitude (r = − 0.334, p = 0.001) and it is not influenced by CCT (r = − 0.106, p = 0.292). Conclusions:  In eyes with glaucoma or ocular hypertension, DCT facilitates suitable and reliable IOP measurements which are in good concordance with GAT readings. Variation in CCT cannot by itself explain the differences in measurements taken with DCT and GAT in a number of eyes.</description><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>central corneal thickness</subject><subject>dynamic contour tonometry</subject><subject>Female</subject><subject>glaucoma</subject><subject>Glaucoma - diagnosis</subject><subject>Glaucoma - physiopathology</subject><subject>Goldmann applanation tonometry</subject><subject>Humans</subject><subject>Intraocular Pressure</subject><subject>Male</subject><subject>Middle Aged</subject><subject>ocular hypertension</subject><subject>Ocular Hypertension - diagnosis</subject><subject>Ocular Hypertension - physiopathology</subject><subject>Reproducibility of Results</subject><subject>Tonometry, Ocular - methods</subject><subject>Tonometry, Ocular - standards</subject><issn>1755-375X</issn><issn>1755-3768</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqNkLFOwzAQhi0EoqXwCsgTW4IdJ44zMFQVFKRKHQCJzTiOA67iONiJ2rw9Ca3alVvuJH__nfUBADEK8VD3mxCnSRKQlLIwQoiFCEckC3dnYHp8OD_OyccEXHm_QYhiSuNLMMGMEkxIMgWfC2sa4bS3NbQlLPpaGC2htHVrOwdbW1ujWtfDrW6_4dJWhRF1DUXTVKIWrR5iJ0bX8KsSnbRGwMYJ2WqprsFFKSqvbg59Bt6fHt8Wz8FqvXxZzFeBjHGaBVJkKaIsL3EmS1ZISRSLqcK0pKUQKmIsShhVBMcxxkmJElLEKo5VxmSeijwjM3C339s4-9Mp33KjvVTV8E1lO89pGmGWYDqAbA9KZ713quSN00a4nmPER7t8w0dxfJTIR7v8zy7fDdHbw40uN6o4BQ86B-BhD2x1pfp_L-bz9es4kV_NV4r9</recordid><startdate>200905</startdate><enddate>200905</enddate><creator>Halkiadakis, Ioannis</creator><creator>Patsea, Eleni</creator><creator>Chatzimichali, Katerina</creator><creator>Skouriotis, Sotiris</creator><creator>Chalkidou, Sonia</creator><creator>Amariotakis, Georgios</creator><creator>Papakonstadinou, Dimitrios</creator><creator>Theodossiadis, George</creator><creator>Amariotakis, Apostolos</creator><creator>Georgopoulos, Gerasimos</creator><general>Blackwell Publishing Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>200905</creationdate><title>Comparison of dynamic contour tonometry with Goldmann applanation tonometry in glaucoma practice</title><author>Halkiadakis, Ioannis ; 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Purpose:  To compare intraocular pressure (IOP) readings taken using dynamic contour tonometry (DCT) with IOP readings taken with Goldmann applanation tonometry (GAT) in eyes with glaucoma or ocular hypertension. Methods:  The present study included 100 eyes in 100 patients with glaucoma or ocular hypertension. After pachymetry DCT and GAT were performed. Intraocular pressures as measured with DCT and GAT were compared with one another and with central corneal thickness (CCT). Results:  Mean DCT IOP measurements (20.1 ± 4.3 mmHg) were significantly (p &lt; 0.001) higher than GAT IOP values (17.9 ± 4.7 mmHg). The mean difference between DCT and GAT measurements was 2.1 mmHg (range − 3.4 to 9.7 mmHg). The difference followed a normal distribution. Measurements made with DCT and GAT correlated significantly with one another (Spearman’s rho = 0.761, p &lt; 0.001). Neither GAT nor DCT measurements showed a significant correlation with CCT (537 ± 39 μm, range 458–656 μm). Multivariate regression analysis has shown that the difference between DCT and GAT is influenced significantly by ocular pulse amplitude (r = − 0.334, p = 0.001) and it is not influenced by CCT (r = − 0.106, p = 0.292). Conclusions:  In eyes with glaucoma or ocular hypertension, DCT facilitates suitable and reliable IOP measurements which are in good concordance with GAT readings. Variation in CCT cannot by itself explain the differences in measurements taken with DCT and GAT in a number of eyes.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>18631335</pmid><doi>10.1111/j.1755-3768.2008.01239.x</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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subjects Aged
Aged, 80 and over
central corneal thickness
dynamic contour tonometry
Female
glaucoma
Glaucoma - diagnosis
Glaucoma - physiopathology
Goldmann applanation tonometry
Humans
Intraocular Pressure
Male
Middle Aged
ocular hypertension
Ocular Hypertension - diagnosis
Ocular Hypertension - physiopathology
Reproducibility of Results
Tonometry, Ocular - methods
Tonometry, Ocular - standards
title Comparison of dynamic contour tonometry with Goldmann applanation tonometry in glaucoma practice
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