Evaluation of the learning curve of laser peripheral iridectomy: the 20th case reaches the turning point
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Xin-Bo Gao and Ming-Kai Lin. State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, Guangdong Province, China. gaoxb@mail.sysu.edu.cn; linmk@mail.sysu.edu.cn

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Supported by the National Natural Science Foundation of China (No.81970808); Natural Science Foundation of Guangdong Province, China (No.2019A1515011196; No.2020A1515010121).

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    Abstract:

    AIM: To explore the learning curve for ophthalmologists at the start of laser peripheral iridectomy (LPI) training. METHODS: The learning curve of 4 doctor groups without previous LPI experience was studied. Three main parameters of LPI were reviewed: total energy, argon energy and neodymium-doped yttrium aluminum garnet (Nd:YAG) energy. Procedures were evaluated in cohorts of 20 cases to identify the turning points of the three variables. RESULTS: There was no significant difference in terms of age or eye among the 4 doctor groups. There were stable trends on the learning curve for the Doctor A and C groups regarding total energy and argon energy. In addition, the turning points on the learning curve were determined after the 20th procedure for the Doctor B and D groups regarding total energy and argon energy. Moreover, the Nd:YAG energy was relatively stable since the first procedure. CONCLUSION: It requires approximately 20 procedures for a beginner to reach a turning point on the learning curve regarding LPI. It can serve as a point of reference or guideline for training beginners to perform LPI.

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Yao Liu, Yu-Ying Zhou, Cheng-Guo Zuo, et al. Evaluation of the learning curve of laser peripheral iridectomy: the 20th case reaches the turning point. Int J Ophthalmol, 2022,15(12):1960-1965

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Publication History
  • Received:February 07,2022
  • Revised:October 09,2022
  • Adopted:
  • Online: November 22,2022
  • Published: