Evaluation of Parameters Affecting Measurement Quality of Dynamic Contour Tonometry

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dc.contributor.authorGencer, Baran
dc.contributor.authorGurlu, Vuslat
dc.date.accessioned2024-06-12T10:59:55Z
dc.date.available2024-06-12T10:59:55Z
dc.date.issued2011
dc.departmentTrakya Üniversitesien_US
dc.description40th National Congress of Ophthalmology -- 2007 -- Antalya, TURKEYen_US
dc.description.abstractObjective: To evaluate factors affecting measurement quality of dynamic contour tonometry (DCT). Material and Methods: Three hundred patients took part in this prospective clinical study. For each patient, measurements for one eye were included in the study. Of the participants, 116 had ocular hypertension, 114 had glaucoma, and 70 had normal eyes. We used automatic refractokeratometry, ultrasonic pachimetry, Goldmann applanation tonometry, and DCT measurements to investigate the effects of age, corneal astigmatism, refractive error, central corneal thickness (CCT), intraocular pressures (IOP), and ocular pulse amplitude (OPA) on DCT measurement quality (Q). Logistic regression analysis was used for statistical analysis. Results: For 159 patients, the DCT Q score was 1 (group 1). For the remaining 141 patients, the Q score was 2-3 (group 2). The following values were determined for the two groups, respectively: mean age 58.9 +/- 9.9 and 61.4 +/- 10.6; mean corneal astigmatisms -0.78 +/- 0.67 and -0.92 +/- 0.77 diopter; mean spherical equivalents 0.33 +/- 1.87 and -0.01 +/- 2.02 diopter; mean CCT 547.0 +/- 35.2 and 549 +/- 38.7 mu m. Measurements with DCT provided mean IOPs of 18.5 +/- 3.70 and 21.27 +/- 6.19 mm Hg and mean OPA 3.5 +/- 1.4 and 3.2 +/- 1.2 mm Hg. By logistic regression analysis, we determined that the parameters affecting measurement quality were age, DCT measurement level, and OPA (p=0.015, p=0.000, and p=0.000, respectively). Conclusion: High IOP values, advanced age, and low OPA values can lead to decreased DCT measurement quality.en_US
dc.identifier.doi10.5174/tutfd.2010.03504.2
dc.identifier.endpage231en_US
dc.identifier.issn2146-3123
dc.identifier.issn2146-3131
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-80053373548en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage229en_US
dc.identifier.urihttps://doi.org/10.5174/tutfd.2010.03504.2
dc.identifier.urihttps://hdl.handle.net/20.500.14551/20627
dc.identifier.volume28en_US
dc.identifier.wosWOS:000295492900001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherGalenos Publ Houseen_US
dc.relation.ispartofBalkan Medical Journalen_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectDynamic Contour Tonometryen_US
dc.subjectOcular Rigidityen_US
dc.subjectQ Scoreen_US
dc.subjectGoldmann Applanation Tonometryen_US
dc.subjectElevated Intraocular-Pressureen_US
dc.subjectCentral Corneal Thicknessen_US
dc.subjectEyesen_US
dc.titleEvaluation of Parameters Affecting Measurement Quality of Dynamic Contour Tonometryen_US
dc.typeConference Objecten_US

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