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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 18 — Jun. 20, 2012
  • pp: 3966–3976

Theoretical analysis for spherical aberration induction with low-order correction in refractive surgery

Guang-ming Dai  »View Author Affiliations


Applied Optics, Vol. 51, Issue 18, pp. 3966-3976 (2012)
http://dx.doi.org/10.1364/AO.51.003966


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Abstract

A theoretical foundation for the analysis of ocular aberration correction is developed. It enables a comparative study for two different refractive surgical approaches, namely, the conventional and the Q-preserved treatment modalities. A refractive surgical factor is identified that leads to a simple cubic function for the postoperative asphericity factor for the conventional treatment. A formulation is developed that paves the way for the calculation of the induction of spherical aberration for low-order aberration correction in refractive surgery. Opposite to the general belief, the Munnerlyn shape makes myopic LASIK more prolate, not oblate. A Monte Carlo simulation was conducted for 1000 eyes for these two refractive surgical modalities. It was found that, although the postoperative spherical aberration is similar for these surgical modalities, for the induction of spherical aberration from the ablation target shape, the conventional modality appears to be slightly more predictable.

© 2012 Optical Society of America

OCIS Codes
(120.3890) Instrumentation, measurement, and metrology : Medical optics instrumentation
(170.1020) Medical optics and biotechnology : Ablation of tissue
(170.4460) Medical optics and biotechnology : Ophthalmic optics and devices
(220.2740) Optical design and fabrication : Geometric optical design
(330.4460) Vision, color, and visual optics : Ophthalmic optics and devices

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: March 13, 2012
Revised Manuscript: April 10, 2012
Manuscript Accepted: April 14, 2012
Published: June 12, 2012

Virtual Issues
Vol. 7, Iss. 8 Virtual Journal for Biomedical Optics

Citation
Guang-ming Dai, "Theoretical analysis for spherical aberration induction with low-order correction in refractive surgery," Appl. Opt. 51, 3966-3976 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-18-3966

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