May 2007
Volume 48, Issue 13
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ARVO Annual Meeting Abstract  |   May 2007
A Comparison of Alcon Wavefront Guided PRK and LASIK on US Military Service Members
R. D. Stutzman; C. D. Coe; S. C. Schallhorn; K. Lombardo; K. S. Bower; D. Tanzer; R. C. VanRoekel; J. M. Burka; L. Peppers; D. A. Sediq
Author Affiliations & Notes
  • R. D. Stutzman
    Surgery/Ophthalmology Service, Walter Reed Army Med Center, Washington, Dist. of Columbia
  • C. D. Coe
    Surgery/Ophthalmology Service, Walter Reed Army Med Center, Washington, Dist. of Columbia
  • S. C. Schallhorn
    Naval Medical Center, San Diego, California
  • K. Lombardo
    Naval Medical Center, San Diego, California
  • K. S. Bower
    Surgery/Ophthalmology Service, Walter Reed Army Med Center, Washington, Dist. of Columbia
  • D. Tanzer
    Naval Medical Center, Washington, Dist. of Columbia
  • R. C. VanRoekel
    Surgery/Ophthalmology Service, Walter Reed Army Med Center, Washington, Dist. of Columbia
  • J. M. Burka
    Surgery/Ophthalmology Service, Walter Reed Army Med Center, Washington, Dist. of Columbia
  • L. Peppers
    Surgery/Ophthalmology Service, Walter Reed Army Med Center, Washington, Dist. of Columbia
  • D. A. Sediq
    Surgery/Ophthalmology Service, Walter Reed Army Med Center, Washington, Dist. of Columbia
  • Footnotes
    Commercial Relationships R.D. Stutzman, None; C.D. Coe, None; S.C. Schallhorn, None; K. Lombardo, None; K.S. Bower, None; D. Tanzer, None; R.C. VanRoekel, None; J.M. Burka, None; L. Peppers, None; D.A. Sediq, None.
  • Footnotes
    Support USAMRMC Award No. 2002011083
Investigative Ophthalmology & Visual Science May 2007, Vol.48, 5346. doi:
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      R. D. Stutzman, C. D. Coe, S. C. Schallhorn, K. Lombardo, K. S. Bower, D. Tanzer, R. C. VanRoekel, J. M. Burka, L. Peppers, D. A. Sediq; A Comparison of Alcon Wavefront Guided PRK and LASIK on US Military Service Members. Invest. Ophthalmol. Vis. Sci. 2007;48(13):5346.

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Abstract
 
Purpose:
 

To compare the visual outcomes, optical quality, and efficacy following conventional (STD) or wave-front guided (WFG) photorefractive keratectomy (PRK) and laser in situ keratomileusis (LASIK) for low and moderate myopia.

 
Methods:
 

In this prospective 1 year multi-center clinical trial as part of an FDA IDE study conducted at two military institutions, a total of 135 subjects received either STD PRK(50 eyes), STD LASIK (25 eyes), WFG PRK (130 eyes), or WFG-LASIK (65 eyes).75 patients serving as a nomogram adjustment group had WFG treatment in one eye and STD treatment in the fellow eye (50 PRK and 25 LASIK). The final 60 subjects were treated with bilateral WFG PRK (40 patients) or WFG LASIK (20 patients) using an adjusted nomogram. All procedures were performed using the Alcon LADARVision 4000 excimer laser. Patients were examined at baseline and at 1, 3, 6, and 12 months. Examination included uncorrected visual acuity, manifest refraction, best spectacle corrected visual acuity, low contrast (25%) acuity under photopic and mesopic illumination, slit lamp biomicroscopy, wavefront aberrometry, and psychometric questionnaire.

 
Results:
 

Results were analyzed separately for the nomogram adjustment group and the adjusted nomogram cohort and are presented in Table 1.

 
Conclusions:
 

Visual outcomes and efficacy were similar in the WFG-PRK and WFG-LASIK treatment groups. Both treatments achieved good objective and subjective results after treatment with a second-generation excimer laser. Additional testing is needed to determine if improvements in optical quality and operational performance justify the additional cost of WFG treatments for the large number of US military personnel undergoing refractive surgery.  

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Keywords: refractive surgery • refractive surgery: comparative studies • refractive surgery: LASIK 
© 2007, The Association for Research in Vision and Ophthalmology, Inc., all rights reserved. Permission to republish any abstract or part of an abstract in any form must be obtained in writing from the ARVO Office prior to publication.
Copyright © 2024 Association for Research in Vision and Ophthalmology.
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