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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. 2 — Feb. 1, 2001
  • pp: 302–309

Appearance of images through a multifocal intraocular lens

Eli Peli and Alan Lang  »View Author Affiliations


JOSA A, Vol. 18, Issue 2, pp. 302-309 (2001)
http://dx.doi.org/10.1364/JOSAA.18.000302


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Abstract

The appearance of images through a multifocal intraocular lens (IOL) was simulated. The optical transfer function (OTF) of a model eye containing the multifocal lens was measured and divided by the OTF of the model eye with a monofocal IOL. This ratio was used to filter digital images, generating simulations that represent the retinal images seen through a multifocal intraocular lens when viewed through an eye with a monofocal lens. A dichoptic side-by-side display was used to present the original image to one eye, implanted with the multifocal lens, while the other eye, implanted with monofocal lens, viewed the simulations and variations on the simulations to derive a point of subjective equivalence. Four subjects with such bilateral lens implants were tested for near and distance vision. The results validate the test methodology and the simulations. Referenced to the nominal theoretical filter, the prediction was within a 0.25-diopter (D) blur for distance simulation and within a 0.50-D blur for the near-vision simulation.

© 2001 Optical Society of America

OCIS Codes
(330.4060) Vision, color, and visual optics : Vision modeling
(330.5510) Vision, color, and visual optics : Psychophysics
(330.6100) Vision, color, and visual optics : Spatial discrimination
(330.6110) Vision, color, and visual optics : Spatial filtering
(330.7310) Vision, color, and visual optics : Vision

Citation
Eli Peli and Alan Lang, "Appearance of images through a multifocal intraocular lens," J. Opt. Soc. Am. A 18, 302-309 (2001)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-18-2-302


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