July 2018
Volume 59, Issue 9
Open Access
ARVO Annual Meeting Abstract  |   July 2018

Six-Year Follow-up of SMILE (Small-Incision Lenticule Extraction) Procedure for the Correction of Astigmatism
Author Affiliations & Notes
  • Arturo J Ramirez-Miranda
    Cornea and Refractive Surgery, Inst of Ophthal "Conde de Valenciana", Mexico City, DF, Mexico
  • Alejandro Navas
    Cornea and Refractive Surgery, Inst of Ophthal "Conde de Valenciana", Mexico City, DF, Mexico
  • Edgar Adrian Gonzalez Mendoza
    Cornea and Refractive Surgery, Inst of Ophthal "Conde de Valenciana", Mexico City, DF, Mexico
  • Enrique O Graue-Hernandez
    Cornea and Refractive Surgery, Inst of Ophthal "Conde de Valenciana", Mexico City, DF, Mexico
  • Footnotes
    Commercial Relationships   Arturo Ramirez-Miranda, Carl Zeiss Meditec (C), Thea Laboratoires (C); Alejandro Navas, Carl zeiss Meditec (C), Novartis (R); Edgar Adrian Gonzalez Mendoza, None; Enrique Graue-Hernandez, None
  • Footnotes
    Support  none
Investigative Ophthalmology & Visual Science July 2018, Vol.59, 5758. doi:
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    • Get Citation

      Arturo J Ramirez-Miranda, Alejandro Navas, Edgar Adrian Gonzalez Mendoza, Enrique O Graue-Hernandez;
      Six-Year Follow-up of SMILE (Small-Incision Lenticule Extraction) Procedure for the Correction of Astigmatism. Invest. Ophthalmol. Vis. Sci. 2018;59(9):5758.

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

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Abstract

Purpose : To evaluate the visual and refractive outcome of 460 eyes treated with small-incision lenticule extraction (SMILE) in patients with myopic astigmatism

Methods : A SMILE procedure was performed. Outcome measures were corrected distance (CDVA) and uncorrected distance (UDVA) visual acuity; induced torsion and achieved corrections of sphere and cylinder were determined.

Results : 460 eyes of 234 patients received ≥ 2.0 D astigmatic correction. Preoperative mean spherical equivalent was −6.25 D, 3.27 SD, and 6-year postop spherical equivalent was +0.24 D, 0.45 SD. Refractive stability was achieved within 6 weeks. 72 months after surgery, 97% of all cases had a UDVA of 20/25 or better.

Conclusions : SMILE appears to be a predictable and effective procedure to treat myopic astigmatism; a small, significant undercorrection of the astigmatic error is present, specially in astigmatism over 3.0 D.

This is an abstract that was submitted for the 2018 ARVO Annual Meeting, held in Honolulu, Hawaii, April 29 - May 3, 2018.

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