同济大学学报（医学版）2017，Vol.38Issue(4)：71-75,5.DOI:10.16118/j.1008-0392.2017.04.015
消像差设计飞秒LASIK手术后角膜高阶像差的观察
Analysis of corneal higher-order aberrations after femtosecond LASIK with aberration-free profiles
闫慧 1赵培泉 2李海燕2
作者信息
- 1. 同济大学附属杨浦医院眼科,上海 200090
- 2. 上海交通大学附属新华医院眼科,上海 200092
- 折叠
摘要
Abstract
Objective To investigate the changes of higher-order aberrations(HOAs)in eyes after femto-LASIK operation using an aberration-free ablation profile.Methods Seventy four patients (146 eyes) were included in the study.Standard examinations,preoperative and postoperative analysis with corneal wavefront topography were performed.Aberration-free aspheric treatments were designed using the Custom Ablation Manager software and ablations were performed by the SCHWIND AMARIS excimer laser system.The corneal flaps were created using Intralase femtosecond laser system.The changes in higher order aberrations (HOAs) from preoperative to 3 months postoperative were evaluated.Results The postoperative values of corneal HOAs were increased except trefoil(t=13.03,12.35,8.25,5.62,P<0.01).Compared with the lager optical zone,every diopter correction with the smaller optical zone was resulted in significant higher increments of HO-RMS,spherical aberration and coma(F=17.86,26.76,2.97,P<0.05).The higher attempted spherical equivalent induced the higher values of HO-RMS/D,spherical aberration/D and coma/D.The differences of the values between the higher and lower attempted spherical equivalent were statistically significant (t=5.54,5.24,2.80,P<0.01).Conclusion Corneal HOAs are increased after femtosecond LASIK using aberration-free profiles.The higher level of attempted spherical equivalent and smaller optical zone may induce more corneal HOAs.关键词
消像差/飞秒/高阶像差/LASIKKey words
aberration-free/femtosecond laser/higher-order aberrations/LASIK分类
医药卫生引用本文复制引用
闫慧,赵培泉,李海燕..消像差设计飞秒LASIK手术后角膜高阶像差的观察[J].同济大学学报（医学版）,2017,38(4):71-75,5.
