One-step viscoelastic agent technique for ICL V4c implantation for myopia
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Xing-Tao Zhou. Department of Ophthalmology, Eye and ENT Hospital of Fudan University, NHC Key Laboratory of Myopia (Fudan University), No.83 Fenyang Road, Shanghai 200031, China. doctzhouxingtao@163.com

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Supported in part by the National Natural Science Foundation of China for Young Scholars (No.81700872); the National Natural Science Foundation of China (No.81770955); the Project of Shanghai Science and Technology (No.17411950200; No.20410710100); the Joint Research Project of New Frontier Technology in Municipal Hospitals (No.SHDC12018103); the Clinical Research Plan of SHDC (No.SHDC2020CR1043B); the Project of Shanghai Xuhui District Science and Technology (No.2020-015).

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    Abstract:

    AIM: To investigate the safety and efficacy of using a one-step viscoelastic agent technique for posterior chamber phakic implantable collamer lens with a central hole (ICL V4c) implantation for myopia correction. METHODS: The one-step viscoelastic agent technique for ICL V4c implantation was used in 100 eyes of 52 patients. Refractive outcomes, intraocular pressure (IOP), corneal endothelial cell, and corneal densitometry values were evaluated at 1d, 1wk, 1 and 3mo postoperatively. RESULTS: All the surgeries were uneventful. No corrected distance visual acuity was lost after 3mo. IOP was 16.12±3.18 mm Hg before surgery, and 14.74±3.08 mm Hg at 1d and 14.50±2.56 mm Hg at 3mo after surgery (P<0.05). Corneal endothelial cell density was 2580±242 cell/mm2, the coefficient of variation in cell size was 42.11%±7.92%, and the percentage of hexagonal cells was 40.98%±9.46% before surgery. No significant difference was found when these outcomes were compared between the studied time points (P>0.05). The corneal densitometry values of the central 2 mm and 2 to 6 mm areas showed similar regularities. After surgery, the values significantly increased at 1d, then decreased to the preoperative values at 1wk, and then continued to decrease at 3mo (P<0.05). CONCLUSION: The one-step viscoelastic agent technique for ICL V4c implantation is found to be safe and effective for myopia correction and causes little disturbance to the cornea.

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Hua-Mao Miao, Feng Zhao, Ling-Ling Niu, et al. One-step viscoelastic agent technique for ICL V4c implantation for myopia. Int J Ophthalmol, 2021,14(9):1359-1364

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Publication History
  • Received:November 23,2020
  • Revised:April 08,2021
  • Adopted:
  • Online: August 23,2021
  • Published: