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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 32, Iss. 31 — Nov. 1, 1993
  • pp: 6359–6367

Modulation transfer functions of eyes implanted with intraocular lenses

Rafael Navarro, Manuel Ferro, Pablo Artal, and Ismael Miranda  »View Author Affiliations


Applied Optics, Vol. 32, Issue 31, pp. 6359-6367 (1993)
http://dx.doi.org/10.1364/AO.32.006359


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Abstract

An experimental study of the retinal image quality in aged subjects after their eyes have been implanted with intraocular lenses (IOL’s) has been performed. The method is based on recording in vivo the aerial image of a point test, after a double pass through the ocular media, and subsequent computation of the eye’s modulation transfer function. The optical performance of three different types of bifocal IOL is compared with that of conventional monofocal IOL’s. The results show that eyes implanted with bifocals exhibit a mean reduction in the modulation transfer function (contrast in the retinal image) of a factor of 2, while keeping a resolution similar to that of monofocal IOL’s (which explains why visual acuities are also similar in these two cases). The mean retinal image modulation in eyes implanted with monofocal IOL’s is ~2.5 times lower than that obtained with young emmetropic subjects, but it seems to be similar to that corresponding to # of persons of the same age (~60 years) normal eyes.

© 1993 Optical Society of America

History
Original Manuscript: April 23, 1992
Published: November 1, 1993

Citation
Rafael Navarro, Manuel Ferro, Pablo Artal, and Ismael Miranda, "Modulation transfer functions of eyes implanted with intraocular lenses," Appl. Opt. 32, 6359-6367 (1993)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-32-31-6359

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