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Journal of Biomedical Optics

Rapid and precise in vivo measurement of human corneal thickness with optical low-coherence reflectometry in normal human eyes
Author(s): Rudolf Waelti; Matthias Bohnke; Ronald Gianotti; Pascal Bonvin; Julien J. Ballif; Rene-Paul Salathe
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Paper Abstract

An optical low-coherence reflectometer is used for rapid noncontact measurements of the human corneal thickness in vivo. Thickness measurements on ten volunteers show a standard deviation of 3.4 µm. The experiments reveal that the optical reflectometer benefits from a 2.5 fold enhancement of the measurement precision and a 2.8 fold reduction in measurement time compared to a standard clinical ultrasonic pachometer.

Paper Details

Date Published: 1 July 1998
PDF: 6 pages
J. Biomed. Opt. 3(3) doi: 10.1117/1.429880
Published in: Journal of Biomedical Optics Volume 3, Issue 3
Show Author Affiliations
Rudolf Waelti, Swiss Federal Institute of Technology (Switzerland)
Matthias Bohnke, Univ. Augenklinik (Switzerland)
Ronald Gianotti, Swiss Federal Inst. of Technology (Switzerland)
Pascal Bonvin, Swiss Federal Inst. of Technology (Switzerland)
Julien J. Ballif, Swiss Federal Inst. of Technology (Switzerland)
Rene-Paul Salathe, Ecole Polytechnique Federale de Lausanne (Switzerland)

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