Estimation-induced correlations of the Zernike coefficients of the eye aberration
Optics Letters, Vol. 31, Issue 17, pp. 2646-2648 (2006)
http://dx.doi.org/10.1364/OL.31.002646
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Abstract
The statistical properties of the estimated eye aberrations differ in general from the actual ones owing to the cross coupling and aliasing generated in the estimation process. In particular, the estimated Zernike aberration coefficients may show fictitious correlations that are not present in the incoming wavefronts. This fact should be taken into account when analyzing estimated aberration datasets, searching for correlations related to physiological eye features. We give an analytical model for this effect and evaluate its magnitude for a particular example, assuming that the true aberration statistics follows a Kolmogorov power law.
© 2006 Optical Society of America
OCIS Codes
(000.3870) General : Mathematics
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(220.1010) Optical design and fabrication : Aberrations (global)
(330.4460) Vision, color, and visual optics : Ophthalmic optics and devices
(330.5370) Vision, color, and visual optics : Physiological optics
ToC Category:
Vision, Color, and Visual Optics
History
Original Manuscript: May 11, 2006
Manuscript Accepted: June 13, 2006
Published: August 9, 2006
Virtual Issues
Vol. 1, Iss. 10 Virtual Journal for Biomedical Optics
Citation
Salvador Bará, Paula Prado, Justo Arines, and Jorge Ares, "Estimation-induced correlations of the Zernike coefficients of the eye aberration," Opt. Lett. 31, 2646-2648 (2006)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-31-17-2646
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