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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Stephen A. Burns
  • Vol. 24, Iss. 3 — Mar. 1, 2007
  • pp: 597–607

Photoreceptor waveguides and effective retinal image quality

Brian Vohnsen  »View Author Affiliations

JOSA A, Vol. 24, Issue 3, pp. 597-607 (2007)

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Individual photoreceptor waveguiding suggests that the entire retina can be considered as a composite fiber-optic element relating a retinal image to a corresponding waveguided image. In such a scheme, a visual sensation is produced only when the latter interacts with the pigments of the outer photoreceptor segments. Here the possible consequences of photoreceptor waveguiding on vision are studied with important implications for the pupil-apodization method commonly used to incorporate directional effects of the retina. In the absence of aberrations, it is found that the two approaches give identical predictions for an effective retinal image only when the pupil apodization is chosen twice as narrow as suggested by the traditional Stiles–Crawford effect. In addition, phase variations in the retinal field due to ocular aberrations can delicately alter a waveguided image, and this may provide plausible justification for an improved visual sensation as compared with what should be expected on the grounds of a retinal image only.

© 2007 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(170.2150) Medical optics and biotechnology : Endoscopic imaging
(330.4060) Vision, color, and visual optics : Vision modeling
(330.5310) Vision, color, and visual optics : Vision - photoreceptors

ToC Category:
Vision, Color, and Visual Optics

Original Manuscript: April 5, 2006
Revised Manuscript: July 20, 2006
Manuscript Accepted: August 31, 2006
Published: February 14, 2007

Virtual Issues
Vol. 2, Iss. 4 Virtual Journal for Biomedical Optics

Brian Vohnsen, "Photoreceptor waveguides and effective retinal image quality," J. Opt. Soc. Am. A 24, 597-607 (2007)

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