Comparison of Central Corneal Thickness Measurements With Optical Low-Coherence Reflectometry and Ultrasound Pachymetry and Reproducibility of Both Devices

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dc.contributor.authorKoktekir, Bengu E.
dc.contributor.authorGedik, Sansal
dc.contributor.authorBakbak, Berker
dc.date.accessioned2020-03-26T18:24:25Z
dc.date.available2020-03-26T18:24:25Z
dc.date.issued2012
dc.departmentSelçuk Üniversitesien_US
dc.description29th Congress of the European-Society-of-Cataract-and-Refractive-Surgeons (ESCRS) -- SEP, 2011 -- Vienna, AUSTRIAen_US
dc.description.abstractPurpose: To compare the accuracy of optical low-coherence reflectometry (Lenstar LS 900; Haag Streit, Koniz, Switzerland) and conventional ultrasound pachymetry (UP) (US 4000; Nidek, Japan) for measuring central corneal thickness and to assess the interexaminer reproducibilities of both devices. Methods: Department of Ophthalmology, Selcuklu Faculty of Medicine, Selcuk University was the study setting. Central corneal thickness (CCT) was measured in both eyes of 65 emmetropic patients by the same examiner using Lenstar LS 900 noncontact biometry and UP. To assess the interexaminer reproducibility, 2 different examiners consecutively obtained CCT measurements in 16 eyes with Lenstar LS 900 noncontact biometry and UP. Results: Mean CCT measurements with Lenstar LS 900 noncontact biometry and ultrasound biometry were 541.09 +/- 33.8 and 545.69 +/- 34.0, respectively. Significant correlation was present between these 2 measurements; intraclass correlation coefficient was found to be 95.8% (95% confidence interval: 93.2%-97.4%) (P < 0.001). Interexaminer reproducibility with Lenstar was high, and the intraclass correlation was found to be 99.3% (95% confidence interval: 98.0%-99.7%). We have also investigated the interexaminer reproducibility with UP in these 16 patients, and the results showed a 99.2% (95% confidence interval: 97.7%-99.7%) intraclass correlation. Conclusions: The results of Lenstar LS 900 noncontact biometry correlated with the results of UP. It may be used as an alternative method to UP for measuring CCT. Because of the mild underestimation of CCT by Lenstar, the measurements should be carefully evaluated in patients whose intraocular pressure must strictly be monitored.en_US
dc.description.sponsorshipEuropean Soc Cataract & Refract Surg (ESCRS)en_US
dc.identifier.doi10.1097/ICO.0b013e31823f7701en_US
dc.identifier.endpage1281en_US
dc.identifier.issn0277-3740en_US
dc.identifier.issue11en_US
dc.identifier.pmid22262222en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1278en_US
dc.identifier.urihttps://dx.doi.org/10.1097/ICO.0b013e31823f7701
dc.identifier.urihttps://hdl.handle.net/20.500.12395/27843
dc.identifier.volume31en_US
dc.identifier.wosWOS:000309823800011en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherLIPPINCOTT WILLIAMS & WILKINSen_US
dc.relation.ispartofCORNEAen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectcentral corneal thickness measurementen_US
dc.subjectoptical low-coherence reflectometryen_US
dc.subjectultrasound pachymetryen_US
dc.titleComparison of Central Corneal Thickness Measurements With Optical Low-Coherence Reflectometry and Ultrasound Pachymetry and Reproducibility of Both Devicesen_US
dc.typeArticleen_US

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