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The study of long-term safety of posterior chamber phakic intraocular lens (ICL/TICL) implantation for super high myopia
Session Title: Phakic IOLs and keratoconus or high astigmatism
Session Date/Time: Sunday 06/10/2013 | 17:00-18:30
Paper Time: 17:34
Venue: Elicium 1 (First Floor)
First Author: : X.Zhou CHINA
Co Author(s): : X. Wang
To report on 5-year postoperative safety and efficacy outcomes with the posterior chamber phakic intraocular lenses (ICL/TICL) implantation for super high myopia.
Zhou Xing-tao, Wang xiaoying, Yao peijun , Huang jia, Qian yishan, Niu lingling, Chen Donghong, Zhao Jing, Sheng Yang. Department of Ophthalmology, Eye and ENT Hospital, Fudan University, Key Laboratory of Health Ministry for Myopia, Shanghai 200031, China Corresponding author: ZHOU Xing-tao, Email: firstname.lastname@example.org
90 high myopic eyes underwent ICL implantation, TICL implantation and femtosecond LASIC surgery with mean preoperative manifest spherical equivalent -18.50±5.77DS, -14.62±2.3DS and -9.94±1.9DS, respectively. Before, and 1, 3, and 6 months after, and 1, 2, 3, 4, 5 years after surgery, we assessed the safety, efficacy,stability, and adverse events of the surgery in eyes undergoing ICL/TICL implantation and femtosecond LASIC surgery. The main outcome measures include visual acuity, manifest refraction, intraocular pressure, wave-front aberration, corneal endothelial density, corneal topography and ACD.
Compared with F-LASIK group, the patients who was undergoing ICL/TICL implantation had less wave-front aberration. The safety index was 1.0 in ICL implantation group. No vision-threatening complications occurred during the observation period. No case had glaucoma or infection. The UCVA of all patients was significantly improved after surgery.
Based on the clinical results of this study, ICL/TICL implantation was good in all measures of safety, efficacy and stability for the correction of high myopia throughout a 5-year observation period. In term of wave-front aberration, the patients undergoing ICL /TICL implantation had better visual quality compared with patients with laser surgery.