Visual and optical quality outcomes after small incision lenticule extraction (SMILE), Intralase laser-assisted in situ keratomileusis (IntraLASIK), and transepithelial photorefractive keratectomy (TransPRK) for myopia correction: a pilot study

Session Details

Session Title: LASIK vs SMILE

Session Date/Time: Monday 24/09/2018 | 16:30-18:00

Paper Time: 16:54

Venue: Room A3, Podium 2

First Author: : J.Alio SPAIN

Co Author(s): :    M. Canto   D. Ribera   P. Yebana   A. Plaza-Puche   J. Alio del Barrio   M. Balgos     

Abstract Details

Purpose:

To compare the visual and optical quality outcomes of SMILE, IntraLASIK and TransPRK performed on myopic patients.

Setting:

Vissum Instituto Oftalmologico, Alicante, Spain

Methods:

This study included 90 patients (90 eyes), aged 20-47 years, who underwent refractive surgery for myopia correction. Patients were divided into 3 groups according to the surgical technique performed, with 30 eyes per group. Uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA) and spherical equivalent (SE) were noted preoperatively, 1 month and 3 months after surgery. The third-generation Optical Quality Analysis System (OQAS®, Visiometrics S L, Terrasa, Spain) was used to measure ocular optical quality and tear film influence. Statistical analysis was performed between preoperative and postoperative values, along with a Kruskal-Wallis analysis to define possible inter-group differences.

Results:

No statistically significant differences were detected in the post-operative uncorrected and corrected distance visual acuity, spherical equivalent, MTF (Modular Transfer Function) cut-off frequency, and SR (Strehl Ratios) between groups (p>0.05). No statistically significant differences were also found between the pre-operative and post-operative values with regard to tear film influence on ocular optical quality(p>0.05).

Conclusions:

SMILE, IntraLASIK and TransPRK provide similar visual and ocular optical quality results in the treatment of myopia.

Financial Disclosure:

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