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Comparison of optical quality after implantable collamer lens implantation and wavefront-guided laser in situ keratomileusis

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International Journal of Ophthalmology(English edition) 2018年第4期11卷 656-661页

作者： Hong-Ting Liu Zhou Zhou Wu-Qiang Luo Wen-Jing He Owhofasa Agbedia Jiang-Xia Wang Jian-Zhong Huang Xin Gao Min Kong Min Li Li Li Visual Science and Optometry Center the People's Hospital of Guangxi Zhuang Autonomous Region Ophthalmology Center the People's Hospital of Guangxi Zhuang Autonomous Region Wilmer Eye Institute Johns Hopkins University Biostatistics Department School of Public Health Johns Hopkins University Institute of Aviation Human Factors and Ergonomics Civil Aviation Flight University of China

AIM： To compare the optical quality after implantation of implantable collamer lens（ICL） and wavefront-guided laser in situ keratomileusis（WG-LASIK）.METHODS： The study included 40 eyes of 22 patients with myopia who accepted ICL implantation and 40 eyes of 20 patients with myopia who received WG-LASIK. Before surgery and three months after surgery, the objective scattering index（OSI）, the values of modulation transfer function（MTF） cutoff frequency, Strehl ratio, and the optical quality Analysis System（OQAS） values（OVs） were accessed. The higher order aberrations（HOAs） data including coma, trefoil, spherical, 2^（nd） astigmatism and tetrafoil were also obtained. For patients with pupil size 〈6 mm, HOAs data were analyzed for 4 mm-pupil diameter. For patients with pupil size ≥6 mm, HOAs data were calculated for 6 mm-pupil diameter. Visual acuity, refraction, pupil size and intraocular pressures were also ***： In both ICL and WG-LASIK group, significant improvements in visual acuities were found postoperatively, with a significant reduction in spherical equivalent（P〈 0.001）. After the ICL implantation, the OSI decreasedslightly from 2.34±1.92 to 2.24±1.18 with no statistical significance（P=0.62）. While in WG-LASIK group, the OSI significantly increased from 0.68±0.43 preoperatively to 0.91±0.53 postoperatively（Wilcoxon signed ranks test, P=0.000）. None of the mean MTF cutoff frequency, Strehl ratio, OVs showed statistically significant changes in both ICL and WG-LASIK groups. In the ICL group, there were no statistical differences in the total HOAs for either 4 mmpupil or 6 mm-pupil. In the WG-LASIK group, the HOA parameters increased significantly at 4 mm-pupil. The total ocular HOAs, coma, spherical and 2^（nd） astigmatism were 0.12±0.06, 0.06±0.03, 0.00±0.03, 0.02±0.01, respectively. After the operation, these values were increased into 0.16±0.07, 0.08±0.05,-0.04±0.04, 0.03±0.01 respectively（Wilcoxon signed ranks test, all P〈0.05）. At 6 mm-pupil, the ind

关键词： optical quality implantable collamer lens wavefront-guided laser in situ keratomileusis

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