Further information on the knowledge of topographical corneal thickness

International contact lens clinic (New York, N.Y.) Pub Date : 1999-09-01 DOI:10.1016/S0892-8967(00)00037-7

Manuel Parafita MS, MD, PhD (Dipl Ophthalmol) , Eva Yebra-Pimentel MS, PhD (OD) , Marı́a Jesús Giraldez (OD) , Javier González-Pérez (OD) , Marı́a Victoria P. érez-Martı́n MS, PhD , José González-Meijome (OD)

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引用次数: 19

Abstract

Central and peripheral corneal thickness has been used increasingly to obtain information about physiologic and clinical conditions of the cornea. In this study, a new method based on ultrasonic pachometry for topographical corneal thickness measurement is described. Results suggest that the technique is reliable for clinical determination of global corneal thickness. Measurements taken by one observer on different sessions (intersession variation) and measurements taken by different observers (interobserver variation) are not significant different (p = 0.586 and 0.273, respectively). This new ultrasound topographical pachometric method can be considered a useful tool for determination of topographical corneal thickness. It has implications for the use of topographical ultrasonic pachometry in contact lenses research, refractive surgery, and management of different pathologic conditions.

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关于角膜地形图厚度的进一步信息

角膜中央和周围厚度已越来越多地用于获得有关角膜的生理和临床状况的信息。本文介绍了一种基于超声测厚法的角膜地形图厚度测量新方法。结果表明，该技术可用于临床测定角膜总厚度。同一观察者在不同时段的测量值(时段间变异)和不同观察者的测量值(观察者间变异)差异不显著(p分别= 0.586和0.273)。这种新的超声地形测厚法可以被认为是确定角膜地形厚度的有用工具。这对在隐形眼镜研究、屈光手术和不同病理条件的处理中使用地形超声测厚术具有启示意义。

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International contact lens clinic (New York, N.Y.)

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