July 2019
Volume 60, Issue 9
Open Access
ARVO Annual Meeting Abstract  |   July 2019
Incidence of complications in Small Incision Lenticule Extraction (SMILE) surgery.
Author Affiliations & Notes
  • Josue Josue Avalos
    Cornea, Fundación Hospital Nuestra Señora de la Luz I.A.P., Mexico City, Mexico City, Mexico
  • Regina Velasco
    Cornea, Fundación Hospital Nuestra Señora de la Luz I.A.P., Mexico City, Mexico City, Mexico
  • Oscar Baca Lozada
    Cornea, Fundación Hospital Nuestra Señora de la Luz I.A.P., Mexico City, Mexico City, Mexico
  • Cristina Pacheco Del Valle
    Cornea, Fundación Hospital Nuestra Señora de la Luz I.A.P., Mexico City, Mexico City, Mexico
  • Oscar Fernandez Vizcaya
    Cornea, Fundación Hospital Nuestra Señora de la Luz I.A.P., Mexico City, Mexico City, Mexico
  • Footnotes
    Commercial Relationships   Josue Avalos, None; Regina Velasco, None; Oscar Baca Lozada, None; Cristina Pacheco Del Valle, None; Oscar Fernandez Vizcaya, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science July 2019, Vol.60, 5051. doi:https://doi.org/
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      Josue Josue Avalos, Regina Velasco, Oscar Baca Lozada, Cristina Pacheco Del Valle, Oscar Fernandez Vizcaya; Incidence of complications in Small Incision Lenticule Extraction (SMILE) surgery.. Invest. Ophthalmol. Vis. Sci. 2019;60(9):5051. doi: https://doi.org/.

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

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Abstract

Purpose : To analyze the transoperative and postoperative complications presented in patients undergoing SMILE surgery, as well as its incidence. Likewise, to compare the incidence of transoperative and postoperative complications that are presented at Hospital Nuestra Señora de la Luz, Mexico, with published in literature around the world.

Methods : Ambispective, descriptive and observational study was made. We studied the transoperative and postoperative complications of patients who underwent refractive surgery with the surgical technique of SMILE by femtosecond during January 2015 to January 2018, at the Hospital Nuestra Señora de la Luz Foundation. For surgery, the VisuMax® platform was used. Statistical analysis was performed on Excel platform.

Results : We studied 526 eyes of 263 patients. Transoperative complications were observed in 70 of 526 eyes. The main complication was difficulty extracting the lenticule (5.13%), followed by epithelial abrasion (2.85%), incision tear (2.28%), suction loss (1.33%), lenticle rupture (0.76%), blackspot (0.76%) %) and interphase hemorrhage (0.19%). All complications were resolved transoperatively. In 130 out of 526 eyes (24.71%) postoperative findings were demonstrated by biomicroscopy presented at any time during a follow-up from day 1 to the sixth month. The most frequent was the presence of detritus in 61 eyes (11.59%), superficial punctate keratopathy in 27 eyes (5.13%), diffuse lamellar keratitis in 21 eyes (3.99%), epithelial defect in 8 eyes (1.52%, corneal haze in 8 eyes (1.52%), interface edema in 4 eyes (0.76%), incision folds in 2 eyes (0.38%), nummular deposits, epithelial growth and lenticulus in interface 1 case for each of them (0.19%). In 99.61% of patients the final visual acuity was better at 20/40.

Conclusions : The complications presented in this study were relatively high, however, none of them had an impact on the final visual acuity of the patients. More than 99% of patients presented final visual acuity better than 20/40. The incidence of transoperative and postoperative complications does not compare with those of other places in the world, probably due to the learning curve of this technique.

This abstract was presented at the 2019 ARVO Annual Meeting, held in Vancouver, Canada, April 28 - May 2, 2019.

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