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Efficacy Analysis of Wavefront Optimized LASIK Operation

ZHOU Xin,LIU Yang,CAO Liu(Departmen of Ophthalmology,Nanjing First Hospital Affiliated to Nanjing Medical University, Nanjing 210006,CHINA)  
Objective To evaluate the efficacy,predictability and safety of LASIK surgery using the Allegretto Wave Eye-Q excimer laser.Methods Data of patients who underwent myopic LASIK were collected.The data which were consisted of pre-and postoperative refractions,uncorrected visual acuity(UCVA),best-corrected visual acuity(BCVA),and the mean postoperative manifest refraction spherical equivalent(MRSE) were analyzed.Results Postoperatively,all eyes achieved UCVA of 4.8 or better,and 92.6% achieved 5.0.Nearly 94.0% patients maintained or gained 1 to 2 lines of BCVA postoperatively.One patient lost 2 Snellen line of BCVA.The mean postoperative manifest refraction spherical equivalent(MRSE) was-0.04±0.26 D.The general refractive predictability was 93.52% within±0.5 D from the target refraction,while 76.0% patients had a postoperative MRSE of within±0.25 of the target.Conclusion WO LASIK performed through using the Allegretto Wave Eye-Q excimer laser is safe and effective with high refractive predictability.
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