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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 18, Iss. 7 — Jul. 1, 2001
  • pp: 1445–1451

Wavelength dependence of the Stiles–Crawford effect explained by perception of backscattered light from the choroid

Tos T. J. M. Berendschot, Jan van de Kraats, and Dirk van Norren  »View Author Affiliations


JOSA A, Vol. 18, Issue 7, pp. 1445-1451 (2001)
http://dx.doi.org/10.1364/JOSAA.18.001445


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Abstract

To explain the wavelength dependence of the directional sensitivity of human foveal cones (Stiles–Crawford I effect) we extended an existing fundus reflectance model for calculation of the total absorption by visual pigment. We took experimental data from literature for both the psychophysical and the optical Stiles–Crawford effect and optimized parameters to fit the experimental data. The wavelength dependence of the Stiles–Crawford effect could be well described with the geometrical optics model. Essential elements are self-screening and the inclusion of backscattered choroidal light for perception.

© 2001 Optical Society of America

OCIS Codes
(330.4060) Vision, color, and visual optics : Vision modeling
(330.4300) Vision, color, and visual optics : Vision system - noninvasive assessment
(330.5310) Vision, color, and visual optics : Vision - photoreceptors
(330.5510) Vision, color, and visual optics : Psychophysics
(330.7310) Vision, color, and visual optics : Vision

History
Original Manuscript: July 6, 2000
Revised Manuscript: January 19, 2001
Manuscript Accepted: January 19, 2001
Published: July 1, 2001

Citation
Tos T. J. M. Berendschot, Jan van de Kraats, and Dirk van Norren, "Wavelength dependence of the Stiles–Crawford effect explained by perception of backscattered light from the choroid," J. Opt. Soc. Am. A 18, 1445-1451 (2001)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-18-7-1445

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