Results 251 to 260 of about 36,125 (294)

The Repeatability of Corneal and Corneal Epithelial Thickness Measurements Using Optical Coherence Tomography

Optometry and Vision Science, 2006
ABSTRACT Purpose. The purpose of this study is to examine within and between session repeatability of clinical optical coherence tomography (OCT) imaging for anterior segment morphometry. Methods.
Sokpheaktra, Sin, Trefford L, Simpson
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Analysis of Compensatory Corneal Epithelial Thickness Changes in Keratoconus Using Corneal Tomography

Cornea, 2019
Purpose: To determine patterns of epithelial remodeling in keratoconus and to assess changes in these patterns as the disease progresses. Methods: This is a prospective case series.
Jimena, Franco, Craig A, White, Jonathan N, Kruh   +2 more
openaire   +2 more sources

Enhanced Ectasia Detection Using Corneal Tomography and Biomechanics

American Journal of Ophthalmology, 2019
To test the accuracy of the Tomographic and Biomechanical Index (TBI) for ectasia detection in an independent population from the original study.Retrospective case-control study.Subjects: Patients were grouped according to clinical diagnosis including corneal topography (front-surface curvature): Normal group, including 1 eye randomly selected from 312
José Ferreira-Mendes, Bernardo T. Lopes, Fernando Faria-Correia, Marcella Q. Salomão, Sandra Rodrigues-Barros, Renato Ambrósio   +5 more
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Comparison of Corneal Biomechanical Properties and Corneal Tomography Between Customized and Accelerated Corneal Crosslinking in Eyes with Keratoconus

Cornea, 2020
Purpose: To compare the changes in corneal biomechanical properties and corneal tomography between transepithelial customized corneal crosslinking (C-CXL) and epithelium-off accelerated corneal crosslinking (A-CXL) in eyes with keratoconus.
Tomoya, Nishida, Takashi, Kojima, Takahiro, Kataoka, Naoki, Isogai, Yoko, Yoshida, Tomoaki, Nakamura   +5 more
openaire   +2 more sources

Topography and tomography in the diagnosis of corneal ectasia

Expert Review of Ophthalmology, 2015
For the modern day refractive surgeon, tomography has become an invaluable tool for selection of patients for refractive surgery; in addition it is essential for the diagnosis and treatment planning of ectatic disorders of the cornea. This review article attempts to compare the Scheimpflug with the Placido disc systems, stresses the value of elevation ...
Shreyas Ramamurthy, Jagadesh C Reddy, Vishal Jhanji   +2 more
openaire   +1 more source

Histopathological correlation of corneal diseases with optical coherence tomography

Graefe’s Archive for Clinical and Experimental Ophthalmology, 2002
To correlate the cross-sectional images of corneal diseases obtained by optical coherence tomography (OCT) with light microscopy (LM) to determine the corneal components represented in OCT images.In a prospective comparative tissue study clinicopathological correlations of six patients with pseudophakic bullous keratopathy ( n=3), advanced keratoconus (
Christopher, Wirbelauer, Jörg, Winkler, Gerd O, Bastian, Heike, Häberle, Duy Thoai, Pham   +4 more
openaire   +2 more sources

Adaptive focusing optical coherence tomography for corneal imaging

Optics Letters
Optical coherence tomography (OCT) plays a crucial role in diagnosing corneal diseases due to its capacity to provide high-resolution three-dimensional imaging. However, the convex shape of the cornea and the inherent trade-off between depth of field (DOF) and lateral resolution in OCT systems often result in defocusing issues, leading to reduced ...
Yejiong Shi, Bin He, Zichen Yin, Zhengyu Chen, Zhangwei Hu, Ruizhi Xue, Panqi Yang, Xiao Zhang, Ning Zhang, Zhe Meng, Yuzhe Ying, Linkai Jing, Guihuai Wang, Ping Xue   +13 more
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[Corneal dystrophies in optical coherence tomography].

Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft, 2019
Corneal optical coherence tomography (anterior segment OCT, AS-OCT) is described in the current IC3D classification of corneal dystrophies to be a method for improvement of clinical diagnostics and treatment.In this case series AS-OCT images of corneal dystrophies were analyzed with respect to morphological changes.This was a retrospective imaging and ...
C, Elhardt, S G, Priglinger, Y, Karakolova, W J, Mayer, C, Wertheimer   +4 more
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CORNEAL TOMOGRAPHY

2023
openaire   +1 more source

Corneal Tomography and Biomechanical Integration

2022
Pablo Felipe Rodrigues, Bernardo Kaplan Moscovici   +1 more
openaire   +1 more source