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Proceedings Paper

Precision Measurement Of Corneal Topography
Author(s): P. R. Yoder; T. F. Macri; W. B. Telfair; P. S. Bennett; C. A. Martin; J. W Warner
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Paper Abstract

We describe a new electro-optical device being developed to provide precise measurements of the three-dimensional topography of the human cornea. This device, called a digital keratoscope, is intended primarily for use in preparing for and determining the effect of corneal surgery procedures such as laser refractive keratectomy, radial keratotomy or corneal transplant on the refractive power of the cornea. It also may serve as an aid in prescribing contact lenses. The basic design features of the hardware and of the associated computer software are discussed, the means for alignment and calibration are described and typical results are given.

Paper Details

Date Published: 1 May 1989
PDF: 8 pages
Proc. SPIE 1036, Precision Instrument Design, (1 May 1989); doi: 10.1117/12.950979
Show Author Affiliations
P. R. Yoder, Taunton Technologies, Incorporated (United States)
T. F. Macri, Taunton Technologies, Incorporated (United States)
W. B. Telfair, Taunton Technologies, Incorporated (United States)
P. S. Bennett, Taunton Technologies, Incorporated (United States)
C. A. Martin, Taunton Technologies, Incorporated (United States)
J. W Warner, Taunton Technologies, Incorporated (United States)


Published in SPIE Proceedings Vol. 1036:
Precision Instrument Design
Thomas C. Bristow; Alson E. Hatheway, Editor(s)

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