Comparing corneal higher-order aberrations in corneal wavefront-guided transepithelial photorefractive keratectomy versus small-incision lenticule extraction

摘要

PurposeTo evaluate the changes in corneal higher-order aberrations (HOAs) after corneal wavefront-guided transepithelial photorefractive keratectomy (PRK) and small-incision lenticule extraction (SMILE). SettingYonsei University College of Medicine and Eyereum Eye Clinic, South Korea. DesignRetrospective case series. MethodsMedical records of patients having either corneal wavefront-guided transepithelial PRK or small-incision lenticule extraction were examined. The root-mean-square total HOAs,?3rd-order coma aberration, and 4th-order spherical aberration were measured preoperatively and 6?months postoperatively. Independentttests and analysis of covariance were used to compare changes in corneal HOAs between the 2 groups. ResultsThe study comprised 77 eyes having corneal wavefront-guided transepithelial PRK and 81 eyes having small-incision lenticule extraction. The total HOAs and spherical aberration increased after transepithelial PRK (allP?