浙大二院 Dry Eye after smile and Lasik for Myopia JRS 201403 Yang Yabo.pdf

O R I G I N A L A R T I C L E Dry Eye After Small Incision Lenticule Extraction and LASIK for Myopia Yesheng Xu, MD; Yabo Yang, MD, PhD ry eye is one of the most common complications ABSTRACT of LASIK.1-5 Some perceive dry eye symptoms as D a major contributor to patient dissatisfaction after PURPOSE: To compare the effects of small incision len- LASIK. Several studies provided different incidences of this ticule extraction (SMILE) and LASIK with either femto- complication, ranging from 20% to more than 50% in patients second laser or mechanical microkeratome on dry eye. 1-5 who had LASIK. Thin-flap LASIK is also associated with METHODS: A total of 176 patients (338 eyes) who un- transient postoperative dry eye symptoms.6,7 A comparison derwent refractive procedures for myopia were observed study of dry eye after normal and thin-flap LASIK showed in this nonrandomized, interventional, prospective study. that there were no significant differences in dry eye disease To evaluate dry eye, the Schirmer secretion test without markers or tear osmolarity at any stage up to 1 year after sur- anesthesia, tear break-up time, and the McMonnies 8 gery. Several studies have assessed the effect of femtosecond questionnaire were used preoperatively and at 1, 3, and 6 months postoperatively. laser use on the incidence of dry eye a