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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 3 — Feb. 4, 2008
  • pp: 1692–1703

Reconstruction of the Optical System of the Human Eye with Reverse Ray-Tracing

Alexander V. Goncharov, Maciej Nowakowski, Matthew T. Sheehan, and Christopher Dainty  »View Author Affiliations


Optics Express, Vol. 16, Issue 3, pp. 1692-1703 (2008)
http://dx.doi.org/10.1364/OE.16.001692


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Abstract

We present a practical method for reconstructing the optical system of the human eye from off-axis wavefront measurements. A retinal beacon formed at different locations on the retina allows probing the optical structure of the eye by the outgoing beams that exit the eye through the dilated pupil. A Shack-Hartmann aberrometer measures the amount of wave aberrations in each beam at the exit pupil plane. Wavefront data obtained at different oblique directions is used for tomographic reconstruction by optimizing a generic eye model with reverse ray-tracing. The multi-configuration system is constructed by tracing pre-aberrated beams backwards from each direction through the exit pupil into the optical system of the aberrometer followed by the generic eye model. Matching all wave aberrations measured at each field point is equivalent to minimizing the size of the beacon spots on the retina. The main benefit of having a personalized eye model is the ability to identify the origin of the ocular aberrations and to find the optimal way for their correction.

© 2008 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(080.1010) Geometric optics : Aberrations (global)
(170.4460) Medical optics and biotechnology : Ophthalmic optics and devices
(330.5370) Vision, color, and visual optics : Physiological optics
(330.7310) Vision, color, and visual optics : Vision

ToC Category:
Vision, Color, and Visual Optics

History
Original Manuscript: October 19, 2007
Revised Manuscript: January 15, 2008
Manuscript Accepted: January 21, 2008
Published: January 24, 2008

Virtual Issues
Vol. 3, Iss. 3 Virtual Journal for Biomedical Optics

Citation
Alexander V. Goncharov, Maciej Nowakowski, Matthew T. Sheehan, and Christopher Dainty, "Reconstruction of the optical system of the human eye with reverse ray-tracing," Opt. Express 16, 1692-1703 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-3-1692


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