May 2008
Volume 49, Issue 13
ARVO Annual Meeting Abstract  |   May 2008
Incidence and Risk Factors for Enhancement After Wavefront-Optimized PRK and LASIK
Author Affiliations & Notes
  • A. White, Jr.
    Emory University, Decatur, Georgia
  • B. Randleman
    Emory University, Decatur, Georgia
  • Footnotes
    Commercial Relationships  A. White, None; B. Randleman, None.
  • Footnotes
    Support  Emory University
Investigative Ophthalmology & Visual Science May 2008, Vol.49, 2928. doi:
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      A. White, Jr., B. Randleman; Incidence and Risk Factors for Enhancement After Wavefront-Optimized PRK and LASIK. Invest. Ophthalmol. Vis. Sci. 2008;49(13):2928. doi:

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      © ARVO (1962-2015); The Authors (2016-present)

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Purpose: : To analyze and compare retreatment rates after photorefractive keratectomy (PRK) and laser in situ keratomileusis (LASIK) performed with the Wavelight Allegretto Wave excimer laser and determine preoperative and postoperative risk factors for this occurrence.

Methods: : Retrospective chart review to identify all patients undergoing PRK and LASIK at Emory Vision from January 2005 through December 2006 by one Surgeon (JBR). Emory University IRB approval was granted for this study. Analysis will compare postoperative visual acuity outcomes, manifest refractions, retreatment rates, visual acuity outcomes after retreatment, and intraoperative or postoperative complications

Results: : Out of 855 eyes analyzed, only 55 (6.2%) required enhancement procedures. 99.5% of patients improved to an uncorrected visual acuity of at least 20/40 following the initial procedure. The measured variables showed little statistical significance for subsequent enhancements, with the exception of preoperative astigmatism and hyperopia.

Keywords: refractive surgery: comparative studies • refractive surgery 

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