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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 21, Iss. 7 — Jul. 1, 2004
  • pp: 1300–1306

Corneal surface reconstruction algorithm that uses Zernike polynomial representation

Victor Arni D. P. Sicam, Joris Coppens, Tom J. T. P. van den Berg, and Rob G. L. van der Heijde  »View Author Affiliations

JOSA A, Vol. 21, Issue 7, pp. 1300-1306 (2004)

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We developed an algorithm that directly determines Zernike coefficients for the corneal anterior surface derived from the reflection image of a stimulus with pseudorandom encoding. This algorithm does not need to include calculation of corneal height maps. The numerical performance of the algorithm is good. It has the potential of determining corneal shape with submicrometer accuracy in obtaining Zernike coefficients. When applied to real eye measurements the accuracy of the procedure will be limited by the topographer that is used.

© 2004 Optical Society of America

OCIS Codes
(170.4460) Medical optics and biotechnology : Ophthalmic optics and devices

Original Manuscript: July 8, 2003
Revised Manuscript: January 1, 2004
Manuscript Accepted: January 1, 2004
Published: July 1, 2004

Victor Arni D. P. Sicam, Joris Coppens, Rob G. L. van der Heijde, and Tom J. T. P. van den Berg, "Corneal surface reconstruction algorithm that uses Zernike polynomial representation," J. Opt. Soc. Am. A 21, 1300-1306 (2004)

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