Repeatability and reproducibility of Galilei measurements in normal keratoconic and postrefractive corneas

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dc.authoridAKYOL, Mesut/0000-0003-1449-7874;
dc.contributor.authorGuler, Emre
dc.contributor.authorYagci, Ramazan
dc.contributor.authorAkyol, Mesut
dc.contributor.authorArslanyilmaz, Zeynel
dc.contributor.authorBalci, Mehmet
dc.contributor.authorHepsen, Ibrahim F.
dc.date.accessioned2025-10-24T18:08:59Z
dc.date.available2025-10-24T18:08:59Z
dc.date.issued2014
dc.departmentMalatya Turgut Özal Üniversitesi
dc.description.abstractObjective: To assess the repeatability and reproducibility of the anterior segment measurements performed with a dual Scheimpflug analyzer (Galilei) in normal, keratoconic and post-refractive surgery corneas. Methods: To evaluate the repeatability, two additional measurements were performed by the first examiner. To assess reproducibility, this was later followed by a single reading by the second examiner. The following parameters were recorded and evaluated in this study; central corneal thickness (CCT), thinnest corneal thickness (TCT), mean total corneal power (TCP) in central (0-4 mm), mean posterior corneal power (PCP) in central (0.5-2 mm), anterior and posterior elevation (best fit sphere [BFS]) in central 8 mm anterior and posterior eccentricity (epsilon(2)) in central 8 mm. Repeatability and reproducibility for each corneal parameter was assessed using the Bland-Altman analysis. Results: Each of the three groups was consisted of 20 subjects (totally 60 patients, 30 men and 30 women). The 95% LoA for repeatability was very small, indicating small discrepancies between measurements related to CCT. Acceptable repeatability was also achieved for the other parameters in each group. However, the 95% LoA for value TCP was larger in keratoconic eyes. The 95% LoA for reproducibility was also very small, and acceptable for all measured parameters in each group. In addition, the 95% LoA was larger for the measurement of CCT and TCT for postrefractive corneas. Conclusions: The anterior segment measurements provided by Galilei showed good repeatability and reproducibility for normal, keratoconic and postrefractive corneas. (C) 2014 British Contact Lens Association. Published by Elsevier Ltd. All rights reserved.
dc.identifier.doi10.1016/j.clae.2014.04.004
dc.identifier.endpage336
dc.identifier.issn1367-0484
dc.identifier.issn1476-5411
dc.identifier.issue5
dc.identifier.pmid24938125
dc.identifier.scopus2-s2.0-84926200468
dc.identifier.scopusqualityQ1
dc.identifier.startpage331
dc.identifier.urihttps://doi.org/10.1016/j.clae.2014.04.004
dc.identifier.urihttps://hdl.handle.net/20.500.12899/3398
dc.identifier.volume37
dc.identifier.wosWOS:000342960100003
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherElsevier Science Bv
dc.relation.ispartofContact Lens & Anterior Eye
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20251023
dc.subjectGalilei; Keratoconus; Repeatability; Reproducibility
dc.titleRepeatability and reproducibility of Galilei measurements in normal keratoconic and postrefractive corneas
dc.typeArticle

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