Fourier analysis of videokeratography data: Clinical usefulness in grade I and subclinical keratoconus.

Haris Sideroudi¹, Georgios Labiris², Kimon Georgatzoglou², Fienke Ditzel², Charalambos Siganos², Vassilios Kozobolis²

¹From the Eye Institute of Thrace (Sideroudi, Georgios, Georgatzoglou, Vassilios), Democritus University, and the Department of Ophthalmology (Georgios, Vassilios), University Hospital of Alexandroupolis, and the Institute of Vision and Optics (Signos), University of Crete, Heraklion, Greece; the Medical Center (Ditzel), University of Groningen, Groningen, the Netherlands. Electronic address: harissid@alex.duth.gr.

²From the Eye Institute of Thrace (Sideroudi, Georgios, Georgatzoglou, Vassilios), Democritus University, and the Department of Ophthalmology (Georgios, Vassilios), University Hospital of Alexandroupolis, and the Institute of Vision and Optics (Signos), University of Crete, Heraklion, Greece; the Medical Center (Ditzel), University of Groningen, Groningen, the Netherlands.

PubMed DOI

Abstract

PURPOSE: To evaluate the contribution of Fourier analysis of videokeratographic data in the diagnosis of subclinical keratoconus and keratoconus. SETTING: Eye Institute of Thrace, Democritus University, Alexandroupolis, Greece. DESIGN: Observational case series. METHODS: The following Pentacam-derived parameters, resulting from Fourier decomposition of keratometric data, were evaluated for thei…

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