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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Stephen A. Burns
  • Vol. 23, Iss. 4 — Apr. 1, 2006
  • pp: 777–787

Interocular high-order corneal wavefront aberration symmetry

Marco Lombardo, Giuseppe Lombardo, and Sebastiano Serrao  »View Author Affiliations

JOSA A, Vol. 23, Issue 4, pp. 777-787 (2006)

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The interocular symmetry of the high-order corneal wavefront aberration (WA) in a population of myopic eyes was analyzed before and after photorefractive keratectomy (PRK). The preoperative and one-year postoperative corneal aberration data (from third to seventh Zernike orders) for 4- and 7-mm pupils from right and left eyes were averaged after correcting for the effects of enantiomorphism to test for mirror symmetry. Also, the mean corneal point-spread function (PSF) for right and left eyes was calculated. Preoperatively, a moderate and high degree of correlation in the high-order corneal WA between eyes was found for 4- and 7-mm pupils, respectively. Myopic PRK did not significantly change the interocular symmetry of corneal high-order aberrations. No discernible differences in the orientation PSF between eyes were observed one year after surgery in comparison with the preoperative state over the two analyzed pupils.

© 2006 Optical Society of America

OCIS Codes
(170.1020) Medical optics and biotechnology : Ablation of tissue
(170.4470) Medical optics and biotechnology : Ophthalmology
(330.4460) Vision, color, and visual optics : Ophthalmic optics and devices
(330.7310) Vision, color, and visual optics : Vision

ToC Category:
Vision, Color, and Visual Optics

Original Manuscript: July 27, 2005
Revised Manuscript: October 7, 2005
Manuscript Accepted: October 11, 2005

Virtual Issues
Vol. 1, Iss. 5 Virtual Journal for Biomedical Optics

Marco Lombardo, Giuseppe Lombardo, and Sebastiano Serrao, "Interocular high-order corneal wavefront aberration symmetry," J. Opt. Soc. Am. A 23, 777-787 (2006)

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