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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 5 — Mar. 5, 2007
  • pp: 2204–2218

Customized computer models of eyes with intraocular lenses

P. Rosales and S. Marcos  »View Author Affiliations


Optics Express, Vol. 15, Issue 5, pp. 2204-2218 (2007)
http://dx.doi.org/10.1364/OE.15.002204


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Abstract

We compared experimental wave aberrations in pseudophakic eyes with aspheric intraocular lenses (IOLs) to simulate aberrations from numerical ray tracing on customized computer eye models using corneal topography, angle λ, ocular biometry, IOL geometry, and IOL tilt and decentration measured on the same eyes. We found high correlations between real and simulated aberrations even for the eye with only the cornea, and these increased on average when the IOL geometry and position were included. Relevant individual aberrations were well predicted by the complete eye model. Corneal spherical aberration and horizontal coma were compensated by the IOL, and in 58.3% of the cases IOL tilt and decentration contributed to compensation of horizontal coma. We conclude that customized computer eye models are a good representation of real eyes with IOLs and allow understanding of the relative contribution of optical, geometrical and surgically-related factors to image quality. Corneal spherical aberration is reduced by aspheric IOLs, although other corneal high order aberrations are still a major contributor to total aberrations in pseudophakic eyes. Tilt and decentration of the IOLs represent a relatively minor contribution of the overall optical quality of the eye.

© 2007 Optical Society of America

OCIS Codes
(080.1010) Geometric optics : Aberrations (global)
(120.3620) Instrumentation, measurement, and metrology : Lens system design
(170.4460) Medical optics and biotechnology : Ophthalmic optics and devices
(330.5370) Vision, color, and visual optics : Physiological optics

History
Original Manuscript: December 4, 2006
Revised Manuscript: February 5, 2007
Manuscript Accepted: February 7, 2007
Published: March 5, 2007

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

Citation
P. Rosales and S. Marcos, "Customized computer models of eyes with intraocular lenses," Opt. Express 15, 2204-2218 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-5-2204


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