Efficacy of wet-lab training versus surgical-simulator training on performance of ophthalmology residents during chopping in cataract surgery

Ya-Guang Hu; Qiu-Ping Liu; Ning Gao; Chang-Rui Wu; Jian Zhang; Li Qin; Jing-Ming Li

doi:10.18240/ijo.2021.03.05

Efficacy of wet-lab training versus surgical-simulator training on performance of ophthalmology residents during chopping in cataract surgery

Int J Ophthalmol. 2021 Mar 18;14(3):366-370. doi: 10.18240/ijo.2021.03.05. eCollection 2021.

Authors

Ya-Guang Hu¹, Qiu-Ping Liu², Ning Gao¹, Chang-Rui Wu¹, Jian Zhang³, Li Qin¹, Jing-Ming Li¹

Affiliations

¹ Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, Shaanxi Province, China.
² Affiliated Eye Hospital of Nanchang University, Nanchang 330006, Jiangxi Provnice, China.
³ Department of Ophthalmology, Shaanxi People's Hospital, Xi'an 710068, Shaanxi Province, China.

Abstract

Aim: To analyze whether wet-lab training (WLT) or surgical-simulator training (SST) is better for ophthalmology residents to master the chopping technique.

Methods: Sixty ophthalmology residents (in their second year) and three cataract surgeons participated in the study. The residents were randomly separated into two groups, WLT group and SST group. The residents in WLT group were asked to perform 10 trials of chopping using pig eyes and scored by the surgeons, and then they performed and scored using simulator for one time. The residents in SST group underwent 10 trials of chopping using simulator, and the simulator scored each trail. Then, this group were asked to perform the chopping using pig eyes and scored by the surgeons. At last, we investigated the residents' satisfaction about the training.

Results: The demographic characteristics had no significant differences between the two groups. Recorded by the simulator, the residents in SST group got significantly higher overall score (83.90±1.31) than WLT group (78.73±1.92, P=0.03). And the residents in SST group got less corner area injured, and they spend less time than WLT group (P<0.05). Moreover, the residents in WLT group used more ultrasonic energy value than SST group (P=0.03). However, scored by the surgeons, the residents in two groups got nearly the same overall score. The residents in WLT group performed better on the frequencies of posterior capsule torn and incisional stress (P=0.03, 0.008, respectively). In the survey, the residents in two groups held the same opinion that the training was helpful and they strongly recommended this training. And all of them enjoyed the training, and enjoyed being randomized in their own group. However, with respect to the realistic character, the residents thought that WLT was better than SST (P<0.001).

Conclusion: Both of the Eyesi surgical-stimulator and the wet-lab improve the residents' chopping ability and each has its own advantages. The combination of the two training ways could be considered to be a part of the training curriculum for new residents.

Keywords: chopping in cataract; simulator; wet-lab.

International Journal of Ophthalmology Press.