Corneal thickness and elevation measurements using swept-source optical coherence tomography and slit scanning topography in normal and keratoconic eyes

Background To compare corneal thickness and corneal elevation using swept source optical coherence tomography and slit scanning topography. Design Prospective study. Participants 41 normal and 46 keratoconus subjects. Methods All eyes were imaged using swept source optical coherence tomography and s...

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Bibliographic Details
Published in:Clinical & experimental ophthalmology 2013-11, Vol.41 (8), p.735-745
Main Authors: Jhanji, Vishal, Yang, Bingzhi, Yu, Marco, Ye, Cong, Leung, Christopher KS
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Cornea
Cornea - pathology
corneal topography
Corneal Topography - methods
Eyes & eyesight
Female
Glaucoma
Humans
keratoconus
Keratoconus - diagnosis
Male
Middle Aged
Observer Variation
Prospective Studies
Reproducibility of Results
Tomography
Tomography, Optical Coherence - methods
topography
Ultrasonic imaging
Young Adult
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Summary:Background To compare corneal thickness and corneal elevation using swept source optical coherence tomography and slit scanning topography. Design Prospective study. Participants 41 normal and 46 keratoconus subjects. Methods All eyes were imaged using swept source optical coherence tomography and slit scanning tomography during the same visit. Mean corneal thickness and best‐fit sphere measurements were compared between the instruments. Main outcome measures Agreement of measurements between swept source optical coherence tomography and scanning slit topography was analyzed. Intra‐rater reproducibility coefficient and intraclass correlation coefficient were evaluated. Results In normal eyes, central corneal thickness measured by swept source optical coherence tomography was thinner compared with slit scanning topography (p 
ISSN:1442-6404
1442-9071
DOI:10.1111/ceo.12113