April 2010
Volume 51, Issue 13
ARVO Annual Meeting Abstract  |   April 2010
Wavefront-Guided versus Wavefront Optimized Lasik Outcomes
Author Affiliations & Notes
  • L. E. Probst, V
    TLC, Ann Arbor, Michigan
  • Footnotes
    Commercial Relationships  L.E. Probst, V, AMO, C.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science April 2010, Vol.51, 4211. doi:
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      L. E. Probst, V; Wavefront-Guided versus Wavefront Optimized Lasik Outcomes. Invest. Ophthalmol. Vis. Sci. 2010;51(13):4211.

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

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Purpose: : To analyze the impact of refractive surgery technology advancements on uncorrected visual outcomes in a large U.S. corporate laser center.

Methods: : The outcomes of 1,510 eyes treated with WFG (VISX CustomVue, AMO) and 300 eyes treated with WFO (Wavelight, Alcon) LASIK by two high-volume surgeons at multiple locations of a U.S. corporate laser provider were compared in a retrospective, independent data analysis. All eyes had femtosecond laser flaps (IntraLase, AMO). Uncorrected visual outcomes of 20/20 and 20/16 or better were compared at 3 months post-operatively, stratified by 2.00-D increments of myopia. All eyes in the analysis had less than 2.00 D of astigmatism.

Results: : The percentage of eyes achieving 20/20 or better vision in the WFG and WFO groups, respectively, at 3 months was 95.6% and 89.2% for -0.75 to -2.00 D, 93.6% and 91.3% for -2.01 to 4.0 D, 90% and 81% for -4.01 to 6.0D, 80% and 77.9% for -6.01 to 8.0D, and 68.2% and 57.1% for > 8.01 D. The percentage of eyes that achieved 20/16 or better vision in the WFG and the WFO groups respectively at 3 months was 40.2% and 20% for -0.75 to -2.0 D, 35% and 17.4% for 2.01 to 4.0 D, 28% and 15.7% for 4.01 to 6.0 D, 22.5% and 17.6% for -6.01 to 8.0 D, and 16.3% and 19% for > 8.0D.

Conclusions: : WFG outcomes were superior to WFO outcomes across all ranges of myopia. For corrections of 6.0 D and under, WFG procedures were approximately twice as likely to result in a 20/16 outcome compared to WFO procedures. The efficacy of both procedures decreased in the higher ranges of myopia. With the most advanced technology, including femtosecond laser flaps and wavefront-guided ablation, surgeons can expect to achieve 20/20 or better outcomes in most eyes.

Keywords: refractive surgery: LASIK • refractive surgery: optical quality • refractive surgery: comparative studies 

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