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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 31, Iss. 31 — Nov. 1, 1992
  • pp: 6637–6642

Measurement of corneal thickness by low-coherence interferometry

Christoph K. Hitzenberger  »View Author Affiliations


Applied Optics, Vol. 31, Issue 31, pp. 6637-6642 (1992)
http://dx.doi.org/10.1364/AO.31.006637


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Abstract

A special interferometric technique, which uses light of low-coherence length and the Doppler principle, is applied to measurement of the thickness of the human cornea in vivo. The special construction of the instrument eliminates any influence from eye motions on the thickness results. With a superluminescent diode as a light source, a precision of ~ 1.5 μm is obtained. This is ~ 3–8 times better than the precision of existing instruments. Since interobserver and interinstrument variability are avoided by the measurement principle, the improvement in total accuracy, compared with that when existing instruments are used, should be even better.

© 1992 Optical Society of America

History
Original Manuscript: February 28, 1992
Published: November 1, 1992

Citation
Christoph K. Hitzenberger, "Measurement of corneal thickness by low-coherence interferometry," Appl. Opt. 31, 6637-6642 (1992)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-31-31-6637

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