April 2014
Volume 55, Issue 13
Free
ARVO Annual Meeting Abstract  |   April 2014
Visual, Refractive, Clinical and Posterior Corneal Topographic Outcomes of Small-Incision Lenticule Extraction (SMILE) vs Femto-LASIK (F-LASIK).
Author Affiliations & Notes
  • Guillermo Garcia
    Conde de Valenciana, Mexico, Mexico
  • Angie De la Mota
    Conde de Valenciana, Mexico, Mexico
  • Arturo J Ramirez-Miranda
    Conde de Valenciana, Mexico, Mexico
  • Alejandro Navas
    Conde de Valenciana, Mexico, Mexico
  • Enrique O Graue
    Conde de Valenciana, Mexico, Mexico
  • Footnotes
    Commercial Relationships Guillermo Garcia, None; Angie De la Mota, None; Arturo Ramirez-Miranda, None; Alejandro Navas, None; Enrique Graue, None
  • Footnotes
    Support None
Investigative Ophthalmology & Visual Science April 2014, Vol.55, 2137. doi:
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      Guillermo Garcia, Angie De la Mota, Arturo J Ramirez-Miranda, Alejandro Navas, Enrique O Graue; Visual, Refractive, Clinical and Posterior Corneal Topographic Outcomes of Small-Incision Lenticule Extraction (SMILE) vs Femto-LASIK (F-LASIK).. Invest. Ophthalmol. Vis. Sci. 2014;55(13):2137.

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

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Abstract

Purpose: To compare visual acuity, refraction, esthesiometry, tear break-up time (T-BUT) and posterior corneal elevation (PF) measurements before and after Small incision lenticule extraction (SMILE) and Femto-LASIK

Methods: Consecutive case series, randomized, eye-to-eye study. Eyes underwent SMILE or F-LASIK for myopic treatments. Follow-up was performed at day 1, 7, 30, 90, 6 and 12 months. UDVA, BCVA, T-BUT, corneal sensation and Scheimpflug tomography were assessed at each visit. Paired T-test was used to compare pre and postoperative data.

Results: 42 eyes of 21 patients enrolling in the study. At day 1 PF measured was not statistically significant (P>0.58) however over time, PF was statistically significant (p < 0.01) with a greater change in patients treated with femtosecond lenticule extraction. There was no difference in BCVA, sphere and cylinder. However there was a statistical significant difference in spherical equivalent. At 6 months differences in UDVA and SE remained statically significant (P < 0.05), mean corneal esthesiometry values were similar in both groups (P= 0.65). On the questionnaire, SMILE was superior to LASIK but no statistical differences were encountered.

Conclusions: SMILE showed more changes in the posterior elevation with a progressive backward shift throughout time during follow-up. SMILE and F-LASIK provides similar results in myopic patients regarding visual acuity, refraction, and dry eye symptoms

Keywords: 683 refractive surgery: LASIK  
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