A comparison of SMILE surgery to wavefront-guided LASIK surgery: preliminary results of a prospective study

Session Details

Session Title: LASIK vs SMILE

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

Paper Time: 16:36

Venue: Room A3, Podium 2

First Author: : E.Manche USA

Co Author(s): :    J. Roe                    

Abstract Details

Purpose:

Purpose: To prospectively compare outcomes between wavefront-guided LASIK and SMILE surgery in the treatment of spherical myopia. Outcome measures include high contrast snellen acuity, low contrast snellen acuity (5 and 25%), safety, predictability, efficacy, higher order aberration analysis and self-reported quality of vision.

Setting:

Stanford University School of Medicine

Methods:

Thirty-four eyes of 17 consecutive patients underwent SMILE surgery in one eye and wavefront-guided LASIK in their fellow eye. Wavefront-guided LASIK was performed using the J & J Vision Visx S4 IR excimer laser system with the iDesign aberrometer. SMILE surgery was performed in the fellow eye using the Carl Zeiss Visumax femtosecond laser system. Eyes were randomized according to ocular dominance. The mean pre-operative spherical equivalent refraction was -3.34 +/- 1.78 and -3.19+/-1.63 in the wavefront-guided group and SMILE group respectively.

Results:

At the three-month post-op visit the mean spherical equivalent refraction was +0.21 +/- 0.23 in the wavefront-guided LASIK group and +0.07 +/- 0.21 in the SMILE group respectively. At the three-month post-op visit, 100% of the WFG-LASIK group and 84% of the SMILE group had an UDVA of 20/20 and 84% and 50%, respectively, had an UDVA of 20/16 (p = 0.02). There were no statistically significant differences in low contrast visual acuity and higher order aberrations between the two groups.

Conclusions:

Wavefront-guided LASIK and SMILE have similar clinical outcomes with excellent safety, efficacy and predictability in both groups. Wavefront-guided LASIK has faster recovery of uncorrected visual acuity compared to SMILE surgery.

Financial Disclosure:

... receives consulting fees, retainer, or contract payments from a company producing, developing or supplying the product or procedure presented, ... receives consulting fees, retainer, or contract payments from a competing company