ICL-V4c植入术治疗超高度近视临床效果

doi:10.3760/cma.j.cn115909-20201010-00383

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Abstract Objective: To observe the safety and effectiveness of ICL-V4c implantation in the treatment of ultra-high myopia over -10 D, and to explore the relationship and rules between the improvement of vision (△LogMAR) and preoperative spherical diopter (SD). Methods: This was a retrospective study. Eight hundred and two patients (1 380 eyes) with ultra-high myopia were treated by ICL-V4c implantation in Beijing Tongren Hospital from December 2016 to January 2020. The preoperative SD was -23.50 D≤SD≤-6.00 D (mean -11.54±3.59 D). The patients were divided into group A (-10 D<SD≤-6 D) and group B (-23.5 D ≤SD≤-10 D) according to their preoperative SD. Group B was further divided into five sub groups: B1 (-13 D<SD≤-10 D), B2 (-16 D<SD≤-13 D), B3 (-19 D<SD≤-16 D), B4 (-22 D<SD≤-19 D) and B5 (-23.5 D≤SD≤-22 D). The preoperative and postoperative visual acuity at 1 week and 2 months and improvement in visual acuity and intraocular pressure of the patients were analyzed by Kruskal-Wallis test and Chi-square test. Results: The postoperative SD and best corrected visual acuity (BCVA) of patients in group B were significantly improved (P<0.001). Both mean safety and effectivity indices were >1. There was a significant correlation between △LogMAR and group (P<0.001). △LogMAR in the B3 and B4 groups was significantly higher than that in A, B1 and B2 groups (adjusted, P<0.001). The intraocular pressure (IOP) in group B was higher than that in group A (P<0.001), and the proportion of postoperative high IOP was higher (P=0.008). Conclusions: ICL implantation is safe and effective for patients with ultra-high myopia over -10 D, but the long-term effect needs further explorations. The improvement of BCVA in patients with -22 D≤SD≤-16 D was higher than that of patients with -16 D<SD≤-6 D.

Key words： posterior chamber intraocular lens of phakic eye efficacy of central hole phakic implantable contact lens V4c super-high myopia refractive surgery

Received: 10 October 2020

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Corresponding Authors: Xiuhua Wan, Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Key Laboratory of Ophthalmology and Visual Sciences, Beijing Tongren Hospital, Capital Medical University, Beijing 100005, China (Email: xiuhuawan@163.com)

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https://www.cjoovs.com/EN/ 10.3760/cma.j.cn115909-20201010-00383 OR https://www.cjoovs.com/EN/Y2021/V23/I4/292

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