May 2005
Volume 46, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2005
Comparison of Custom LASIK Outcomes Using Femtosecond Laser and Conventional Microkeratome
Author Affiliations & Notes
  • M.R. Chalita
    Ophthalmology, Federal Univ of Sao Paulo, Sao Paulo, Brazil
  • M.V. Netto
    Ophthalmology, Cleveland Clinic Foudation, Cleveland, OH
  • W. Dupps
    Ophthalmology, Cleveland Clinic Foundation, Cleveland, OH
  • P. Gupta
    Ophthalmology, Cleveland Clinic Foundation, Cleveland, OH
  • R.R. Krueger
    Ophthalmology, Cleveland Clinic Foundation, Cleveland, OH
  • Footnotes
    Commercial Relationships  M.R. Chalita, None; M.V. Netto, None; W. Dupps, None; P. Gupta, None; R.R. Krueger, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science May 2005, Vol.46, 4348. doi:
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      M.R. Chalita, M.V. Netto, W. Dupps, P. Gupta, R.R. Krueger; Comparison of Custom LASIK Outcomes Using Femtosecond Laser and Conventional Microkeratome . Invest. Ophthalmol. Vis. Sci. 2005;46(13):4348.

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

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Abstract

Abstract: : Purpose: To compare the outcomes of Custom LASIK treatment using the femtosecond laser and the conventional microkeratome to create the corneal flap. Methods: One hundred and twenty nine eyes submitted to a laser flap creation (Intralase, Intralase Corp., CA) followed by the wavefront guided LASIK ablation (group I) had their clinical and wavefront results compared to 282 eyes submitted to conventional flap creation (Moria M2, France) followed by the wavefront guided LASIK ablation (group II) with the Alcon LADAR Vision4000 platform. Results: There was no statistically significant difference in the postoperative mean BSCVA and spherical equivalent between both groups. There was a slight postoperative increase in vertical (0.02µm) and horizontal coma (0.03µm) in group I and group II (0.02 and 0.03). However, there was a significant increase in the spherical aberration in group I (0.15µm) and II (0.18µm), but there was no statistically significant difference between both groups (p < 0.05). Conclusions: Custom LASIK ablation with the femtosecond laser and the conventional microkeratome, both provided good clinical outcomes, with a slight postoperative increase in coma and little more significant increase in spherical aberration. There was no statistically significant difference between both procedures in terms of clinical outcomes and induction of higher–order aberrations.

Keywords: refractive surgery: LASIK • refractive surgery: comparative studies • refractive surgery: other technologies 
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