Posters

Clinical outcomes of small-incision lenticule extraction and transepithelial photorefractive keratectomy in low myopia

Poster Details

First Author: D.Kang SOUTH KOREA

Co Author(s):    I. Jun   D. Reinstein   S. Arba Mosquera   E. Kim   K. Seo   T. Kim     

Abstract Details

Purpose:

To evaluate and compare the clinical outcomes including visual acuity, refractive errors, and corneal aberrations, between small incision lenticule extraction (SMILE), and transepithelial photorefractive keratectomy (PRK) in low myopic eyes.

Setting:

Department of Ophthalmology, Severance Hospital, Yonsei University College of Medicine, and Eyereum Eye Clinic, Seoul, South Korea.

Methods:

A hundred twenty three eyes of 123 patients with low myopia (≤1.50 diopters) received treatment for refractive errors with SMILE and corneal wavefront guided (CWFG) transepithelial PRK (60 and 63 eyes, respectively). Visual acuity measurement, manifest refraction, slit-lamp examination, autokeratometry, corneal topography, and evaluation of corneal wavefront aberration were investigated preoperatively and at 1, 3, and 6 months after surgery. The efficacy, safety, and corneal aberrations at 6 months after surgery were compared between the two groups.

Results:

At 6 months after surgery, the SMILE and transepithelial PRK groups exhibited comparable mean uncorrected-distance visual acuities, safety, efficacy, and predictability of refractive and visual outcomes. The optical zone was larger in transepithelial PRK group than SMILE group. The corneal total root mean square (RMS) higher-order aberrations and coma significantly reduced in Transepithelial PRK group, but those did not change in SMILE group.

Conclusions:

Transepithelial PRK and SMILE resulted in effective and safe visual and refractive outcomes for the correction of low myopia.

Financial Disclosure:

... has significant investment interest in a company producing, developing or supplying product or procedure presented, ... receives consulting fees, retainer, or contract payments from a company producing, developing or supplying the product or procedure presented, ... is employed by a for-profit company with an interest in the subject of the presentation