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Influence of Stiles-Crawford effect apodization on spatial visual performance

Atchison, David A., Joblin, Anthony, & Smith, George (1998) Influence of Stiles-Crawford effect apodization on spatial visual performance. Journal of the Optical Society of America A: Optics and Image Science, 15(9), pp. 2545-2551.

Abstract

The Stiles-Crawford effect is often invoked by vision scientists when predictions of the effects of aberrations and defocus on spatial visual performance are not borne out experimentally. Modeling the Stiles-Crawford effect as an apodization, we investigated the expected influence that it would have on spatial visual performance in the presence of 1-diopter primary spherical aberration at the edge of a 6-mm-diameter centered pupil. The changes in refraction produced by a high Stiles-Crawford effect, according to various criteria, were small at approximately 0.10 diopter. The Stiles-Crawford effect has only a small capability to compensate for defocus and spherical aberration. These results indicate that the Stiles-Crawford effect has little influence on spatial visual performance in the case of centered pupils. We suggest that the faith that has often been placed in the Stiles-Crawford effect to account for discrepancies between experimental results and expected results is not justified, at least for well-centered pupils and Stiles-Crawford effects.

Impact and interest:

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37 citations in Web of Science®

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ID Code: 5170
Item Type: Journal Article
Additional Information: For more information, please refer to the journal's website (see link) or contact the author. Author contact details: d.atchison@qut.edu.au
Additional URLs:
Keywords: Stiles, Crawford effect, apodization, spatial visual performance
ISSN: 1520-8532
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 1998 Optical Society of America
Copyright Statement: This paper can be found at the following URL on the OSA website: [http://www.opticsinfobase.org/abstract.cfm?URI=josaa-15-9-2545]. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Deposited On: 15 Nov 2006
Last Modified: 15 Jan 2009 17:12

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