Zernike radial slope polynomials for wavefront reconstruction and refraction
JOSA A, Vol. 26, Issue 4, pp. 1035-1048 (2009)
http://dx.doi.org/10.1364/JOSAA.26.001035
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Abstract
Ophthalmic wavefront sensors typically measure wavefront slope, from which wavefront phase is reconstructed. We show that ophthalmic prescriptions (in power-vector format) can be obtained directly from slope measurements without wavefront reconstruction. This is achieved by fitting the measurement data with a new set of orthonormal basis functions called Zernike radial slope polynomials. Coefficients of this expansion can be used to specify the ophthalmic power vector using explicit formulas derived by a variety of methods. Zernike coefficients for wavefront error can be recovered from the coefficients of radial slope polynomials, thereby offering an alternative way to perform wavefront reconstruction.
© 2009 Optical Society of America
OCIS Codes
(330.5370) Vision, color, and visual optics : Physiological optics
(330.7326) Vision, color, and visual optics : Visual optics, modeling
ToC Category:
Vision, Color, and Visual Optics
History
Original Manuscript: July 11, 2008
Revised Manuscript: January 15, 2009
Manuscript Accepted: February 5, 2009
Published: March 26, 2009
Virtual Issues
Vol. 4, Iss. 6 Virtual Journal for Biomedical Optics
Citation
Jayoung Nam, Larry N. Thibos, and D. Robert Iskander, "Zernike radial slope polynomials for wavefront reconstruction and refraction," J. Opt. Soc. Am. A 26, 1035-1048 (2009)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-26-4-1035
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