Corneal power measurement obtained by fourier-domain optical coherence tomography: Repeatability, reproducibility, and comparison with scheimpflug and automated keratometry measurements

Qinmei Wang; Yanjun Hua; Giacomo Savini; Hao Chen; Fangjun Bao; Shishi Lin; Weicong Lu; Jinhai Huang

doi:10.1097/ICO.0000000000000564

Corneal power measurement obtained by fourier-domain optical coherence tomography: Repeatability, reproducibility, and comparison with scheimpflug and automated keratometry measurements

Qinmei Wang, Yanjun Hua, Giacomo Savini, Hao Chen, Fangjun Bao, Shishi Lin, Weicong Lu, Jinhai Huang

Fondazione G.B. Bietti

Research output: Contribution to journal › Article

Abstract

Purpose: To assess the repeatability and reproducibility of corneal power values obtained by a Fourier-domain optical coherence tomography (FD-OCT) system (RTVue) and to compare them with the values obtained by a Scheimpflug camera system (Pentacam HR) and by automated keratometry (IOL Master). Methods: Thirty-two eyes from 32 healthy subjects were included in this prospective study. Two experienced observers measured each eye 3 consecutive times with the Pentacam, IOLMaster, and RTVue centered on either the pupil or corneal vertex. The conventional keratometry equivalent (CKE) and anterior (K_a), posterior (K_p), and net (K_n) corneal power values were determined. Results: The corneal power values obtained by the RTVue showed high repeatability (all intraclass correlation coefficient >0.96) and reproducibility (coefficient of variation

Original language	English
Pages (from-to)	1266-1271
Number of pages	6
Journal	Cornea
Volume	34
Issue number	10
DOIs	https://doi.org/10.1097/ICO.0000000000000564
Publication status	Published - Jul 23 2015

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Keywords

agreement
corneal power
optical coherence tomography
precision
Scheimpflug

ASJC Scopus subject areas

Ophthalmology

Cite this

Wang, Q., Hua, Y., Savini, G., Chen, H., Bao, F., Lin, S., Lu, W., & Huang, J. (2015). Corneal power measurement obtained by fourier-domain optical coherence tomography: Repeatability, reproducibility, and comparison with scheimpflug and automated keratometry measurements. Cornea, 34(10), 1266-1271. https://doi.org/10.1097/ICO.0000000000000564

Corneal power measurement obtained by fourier-domain optical coherence tomography : Repeatability, reproducibility, and comparison with scheimpflug and automated keratometry measurements. / Wang, Qinmei; Hua, Yanjun; Savini, Giacomo; Chen, Hao; Bao, Fangjun; Lin, Shishi; Lu, Weicong; Huang, Jinhai.

In: Cornea, Vol. 34, No. 10, 23.07.2015, p. 1266-1271.

Research output: Contribution to journal › Article

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Access to Document

10.1097/ICO.0000000000000564