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Optics Letters

Optics Letters


  • Vol. 29, Iss. 7 — Apr. 1, 2004
  • pp: 733–735

Eye models for the prediction of contrast vision in patients with new intraocular lens designs

Patricia A. Piers, N. E. Sverker Norrby, and Ulrich Mester  »View Author Affiliations

Optics Letters, Vol. 29, Issue 7, pp. 733-735 (2004)

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Theoretical calculations of the polychromatic modulation transfer function (MTF) and wave-front aberration were performed with physiological eye models. These eye models have an amount of spherical aberration that is representative of a normal population of pseudophakic eyes implanted with two different types of intraocular lens (IOL) made from high-refractive-index silicone. These theoretical calculations were compared with the measured contrast sensitivity function (CSF) under mesopic lighting conditions and with wave-front aberration (obtained with a Hartmann–Shack wave-front sensor) collected from 37 patients bilaterally implanted with the same types of lens. The relationships between the ocular wave-front aberration and the MTF predicted by the eye models and the CSF and the ocular wave-front aberration measured in eyes implanted with IOLs were investigated. The predicted improvements in MTF and wave-front aberration correlated well with the improvements measured in practice. Physiological eye models are therefore useful tools for IOL design.

© 2004 Optical Society of America

OCIS Codes
(330.0330) Vision, color, and visual optics : Vision, color, and visual optics
(330.1800) Vision, color, and visual optics : Vision - contrast sensitivity
(330.4460) Vision, color, and visual optics : Ophthalmic optics and devices

Patricia A. Piers, N. E. Sverker Norrby, and Ulrich Mester, "Eye models for the prediction of contrast vision in patients with new intraocular lens designs," Opt. Lett. 29, 733-735 (2004)

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