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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. 19, Iss. 8 — Aug. 1, 2002
  • pp: 1491–1500

Retinal images seen through a cataractous lens modeled as a phase-aberrating screen

Barbara Pierscionek, Roger J. Green, and Sergey G. Dolgobrodov  »View Author Affiliations


JOSA A, Vol. 19, Issue 8, pp. 1491-1500 (2002)
http://dx.doi.org/10.1364/JOSAA.19.001491


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Abstract

Light propagation through a cataractous lens was modeled on the basis of a phase-aberrating medium. The optical frequency characteristics of the modeled optical system were estimated, and examples of foveal images with different values of aberration characteristics were calculated. The phase-aberration effects caused by relatively smooth fluctuations of the refractive index were found to cause a significant deterioration of the foveal image. This theoretical result gives an indication of the main factor that produces image degradation as shown in previous experiments and that is likely to occur in the cataractous eye.

© 2002 Optical Society of America

OCIS Codes
(170.4470) Medical optics and biotechnology : Ophthalmology
(170.7050) Medical optics and biotechnology : Turbid media
(330.1800) Vision, color, and visual optics : Vision - contrast sensitivity
(330.4060) Vision, color, and visual optics : Vision modeling
(330.6110) Vision, color, and visual optics : Spatial filtering
(330.6130) Vision, color, and visual optics : Spatial resolution

History
Original Manuscript: July 26, 2001
Revised Manuscript: March 4, 2002
Manuscript Accepted: March 15, 2002
Published: August 1, 2002

Citation
Barbara Pierscionek, Roger J. Green, and Sergey G. Dolgobrodov, "Retinal images seen through a cataractous lens modeled as a phase-aberrating screen," J. Opt. Soc. Am. A 19, 1491-1500 (2002)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-19-8-1491

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