Evaluation of topographic, tomographic, topometric, densitometric, and aberrometric features of cornea with pentacam HR system in subclinical keratoconus

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dc.authoridTEKIN, KEMAL/0000-0002-7461-6129
dc.contributor.authorOzkan, Haci Hasan
dc.contributor.authorKoc, Mustafa
dc.contributor.authorKiziltoprak, Hasan
dc.contributor.authorTekin, Kemal
dc.contributor.authorAydemir, Emre
dc.date.accessioned2024-09-18T20:15:04Z
dc.date.available2024-09-18T20:15:04Z
dc.date.issued2021
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractPurpose To investigate topographic, tomographic, topometric, densitometric, and aberrometric parameters in subclinical keratoconus with the Pentacam HR imaging system. Methods Data of 3128 patients were evaluated, finding in 108 patients clinical keratoconus in one eye and subclinical keratoconus in the other. Corneal topographic, tomographic, topometric, densitometric, and aberrometric values obtained using the Pentacam HR imaging system were compared between clinical keratoconus, subclinical keratoconus, and normal eyes. Results Comparing eyes with subclinical keratoconus and the control group, while flat K, horizontal coma, horizontal trefoil, and vertical trefoil values were similar (p > 0.05 for each), all other parameters were significantly different (p < 0.05 for each). Densitometry values of eyes with subclinical keratoconus were significantly higher in all layers of the 0-2 mm annular area and in the anterior and central layers of the 2-6 mm annular area compared to the control group (p < 0.05 for each). According to the receiver operating characteristic curve analysis, the densitometry region with the largest area under the curve was the anterior layer of the 0-2 mm annular area. The sensitivity in this region was 79.4% and the specificity 73.2% in distinguishing eyes with subclinical keratoconus from normal eyes when 19.3 GSU was considered the threshold. Conclusion Corneal densitometry values in the 0-2 and 2-6 mm annular areas, especially in the anterior layers, are parameters that can be used to predict and distinguish subclinical keratoconus from normal eyes.en_US
dc.identifier.doi10.1007/s10792-021-01732-1
dc.identifier.endpage1741en_US
dc.identifier.issn0165-5701
dc.identifier.issn1573-2630
dc.identifier.issue5en_US
dc.identifier.pmid33772701en_US
dc.identifier.scopus2-s2.0-85103224533en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage1729en_US
dc.identifier.urihttps://doi.org/10.1007/s10792-021-01732-1
dc.identifier.urihttps://hdl.handle.net/20.500.12483/9430
dc.identifier.volume41en_US
dc.identifier.wosWOS:000633746400002en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofInternational Ophthalmologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectDensitometryen_US
dc.subjectKeratoconusen_US
dc.subjectSubclinical keratoconusen_US
dc.subjectTopometryen_US
dc.subjectTomographyen_US
dc.titleEvaluation of topographic, tomographic, topometric, densitometric, and aberrometric features of cornea with pentacam HR system in subclinical keratoconusen_US
dc.typeArticleen_US

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