Figure 1. Visual and refractive outcomes of the SMILE and tPRK groups.
SMILE: Small incision lenticule extraction; tPRK: Transepithelial photorefractive keratectomy; UCVA: Uncorrected distance visual acuity; Pre: Preoperational result; SE: Spherical equivalent. aP<0.05 between the 2 groups at a specific follow-up visit.