SMILE for hyperopia: visual and refractive outcomes

Session Details

Session Title: SMILE: Small Intrastromal Lenticule Extraction I

Session Date/Time: Sunday 11/09/2016 | 08:00-10:00

Paper Time: 09:38

Venue: Hall H1

First Author: : D.Reinstein UK

Co Author(s): :    K. Pradhan   P. Dhungana   G. Carp   T. Archer   R. Khan        

Abstract Details

Purpose:

To evaluate visual and refractive outcomes of small incision lenticule extraction (SMILE) for hyperopia.

Setting:

Tilganga Institute of Ophthalmology, Kathmandu, Nepal

Methods:

This was a prospective study of vertex-centered hyperopic SMILE using the VisuMax femtosecond laser (Carl Zeiss Meditec). Inclusion criteria were intended sphere ≤+7.00 D, astigmatism ≤6.00 D, age ≥21 years, and CDVA 20/40 or better. Lenticule parameters were 6.3-6.5 mm diameter optical zone, 2 mm transition zone, 30 μm minimum thickness, and 120 μm cap thickness. Manifest refraction, corrected and uncorrected distance visual acuity were obtained before and 3 months after surgery for 31 eyes. Standard outcomes analysis was performed. Refractive predictability was compared to a MEL80 LASIK control group matched for sphere and cylinder within ±0.50 D.

Results:

Mean attempted SEQ was +5.73±0.80 D (+3.38 to +6.50 D). Mean astigmatism was 1.15±0.82 D (0.00 to 2.75 D). Preoperatively, CDVA was 20/32 or better in 52% and 20/40 or better in 100% of eyes. For 15 eyes intended for full correction, postoperative UDVA was 20/40 or better in 87% and 20/50 or better in 100% of eyes. Mean postop SEQ relative to the intended target was -0.04±0.79 D (-2.20 to +1.88 D), with 65% within ±0.50 D and 87% within ±1.00 D. There was 1 line loss CDVA in 32% of eyes, but no eyes lost 2 or more lines CDVA. Predictability was 53% within ±0.50 D for the LASIK control group.

Conclusions:

Visual and refractive outcomes were promising after SMILE for this hyperopic population demonstrating a good safety profile for hyperopia up to +6.87 D. Refractive predictability of SMILE was similar or better than for matched LASIK.

Financial Disclosure:

... receives consulting fees, retainer, or contract payments from a company producing, developing or supplying the product or procedure presented, ... travel has been funded, fully or partially, by a company producing, developing or supplying the product or procedure presented