Objective To compare the outcomes of small incision lenticule extraction surgery （SMILE） and wavefront supported corneal ablation （WASCA） LASIK surgery in treating myopia. Methods In this cases control study， 34 eyes of 17 patients who underwent SMILE and 39 eyes of 20 patients who underwent WASCA LASIK were included. Before surgery there were no significant differences between the two groups in spherical equivalent， age， gender and scotopic pupil diameter. All patients were followed up for more than 3 months. UCVA， BCVA， spherical equivalent and higher order aberrations before surgery and 1 month and 3 months after surgery were compared between the two groups. Results There were no statistically significant differences in uncorrected or best corrected visual acuity and spherical equivalence after the two surgical procedures （P>0.05）. Three months after surgery， the SMILE group had a significantly higher percentage of eyes whose SE range was -0.50 D to +0.50 D compared with the WASCA group （P<0.05）. There were no statistically significant differences in higher-order aberrations induced by SMILE and WASCA 1 month and 3 months after surgery （P>0.05）. However， SMILE induced far fewer spherical aberrations than WASCA LASIK （P<0.01）. Conclusion Both SMILE and WASCA LASIK have good efficacy， safety， stability and predictability in treating myopia. However， SMILE induces far fewer spherical aberrations and results in better visual quality.
董海曙,林芳宇,杨亚波. SMILE术与波前像差引导的LASIK术后视觉质量的短期疗效比较[J]. 中华眼视光学与视觉科学杂志, 2014, 16(7): 426-429.
Dong Haishu*,Lin Fangyu,Yang Yabo. Comparison of visual quality of SMILE surgery and wavefront-guided LASIK surgery in treating myopia. Chinese Journal of Optometry Ophthalmology and Visual science, 2014, 16(7): 426-429. DOI: 10.3760/cma.j.issn.1674-845X.2014.07.010
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