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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 3, Iss. 9 — Sep. 8, 2008

Use of a customized vision model to analyze the effects of higher-order ocular aberrations and neural filtering on contrast threshold performance

Eugénie Dalimier and Chris Dainty  »View Author Affiliations


JOSA A, Vol. 25, Issue 8, pp. 2078-2087 (2008)
http://dx.doi.org/10.1364/JOSAA.25.002078


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Abstract

Customized optical filtering and light-dependent neural filtering were implemented in an ideal-observer model for an L-alternative forced-choice visual task. The model was applied to a contrast threshold visual task with adaptive optics correction of ocular higher-order (HO) aberrations under different light regimes, for which experimental data have previously been obtained (J. Mod. Opt. 55, 791, 2008) . A separability measure was used to assess the model-observer performance and to investigate the joint effect of optical and neural filtering. The numerical results were consistent with the experimental data in the assessment of the effect of HO aberrations as a function of light level.

© 2008 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(330.4060) Vision, color, and visual optics : Vision modeling
(330.6110) Vision, color, and visual optics : Spatial filtering
(330.4595) Vision, color, and visual optics : Optical effects on vision

ToC Category:
Vision, Color, and Visual Optics

History
Original Manuscript: October 17, 2007
Revised Manuscript: May 16, 2008
Manuscript Accepted: June 13, 2008
Published: July 23, 2008

Virtual Issues
Vol. 3, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Eugénie Dalimier and Chris Dainty, "Use of a customized vision model to analyze the effects of higher-order ocular aberrations and neural filtering on contrast threshold performance," J. Opt. Soc. Am. A 25, 2078-2087 (2008)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-25-8-2078


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