虚拟现实视觉训练对集合不足长期疗效的观察

doi:10.6040/j.issn.1673-3770.0.2021.198

摘要/Abstract

摘要： 目的探究基于虚拟现实(VR)的视觉训练对集合不足受试者视功能与主观问卷的影响以及长期疗效的观察。方法研究共纳入集合不足受试者36例,将受试者随机分入基于虚拟现实的视觉训练组(VR组)及传统训练组(OBVAT组)。训练时长为每周1 h,共12周。在训练前、训练第6周、训练第12周及训练结束后6个月完成双眼视功能参数及主观问卷调查(CISS)。结果重复测量方差分析结果显示,集合不足的受试者(包括VR组与OBVAT组)进行视觉训练12周后,CISS得分降低、集合近点减小、正融像性聚散范围值增加,视近外隐斜减小(P<0.001)。VR组与OBVAT组集合不足的受试者在训练结束后6个月的视功能参数与训练12周相比无统计学差异(P>0.05)。VR组与OBVAT组之间各项参数的组间差异无统计学意义(P>0.05)。结论研究结果显示基于虚拟现实的视觉训练可以显著改善集合不足受试者的主观症状与视功能参数,与传统训练方法相比无统计学差异;在训练结束后6个月,仍可维持一定效果。

关键词: 虚拟现实, 视觉训练, 集合不足, 长期疗效

Abstract: Objective To investigate the long-term effectiveness of virtual reality-based vision therapy for convergence insufficiency,by evaluating the binocular visual function and subjective symptoms before and after vision therapy. Methods 36 participants with convergence insufficiency were enrolled. The participants were randomly allocated to virtual reality-based vision therapy and office-based vergence/accommodative therapy(OBVAT)groups. The duration of the training was 1 hour per week for 12 weeks. Binocular visual functions and subjective questionnaires.(Convergence insufficiency symptom survey, CISS)were completed before the training, after the 6th and 12th weeks of training, and 6 months after the vision therapy. A two-tailed t-test was used to assess differences between the two groups at baseline, and a two-factor repeated measures ANOVA was used to assess differences between the two groups before and after training. Results After 12 weeks of treatment for CI, significant improvements were found for near exophoria, near point of convergence, positive fusional vergence, and CISS score in both the VR and OBVAT(P<0.001)groups. No statistically significant difference was found between the results at the 6 months after training and the 12th week of training(P>0.05). No statistically significant difference was found in the improvements between the two groups(P>0.05). Conclusion Virtual reality-based vision therapy significantly improved binocular vision function and symptoms in young adults with CI, and the effect can be maintained for 6 months after the end of training. The efficacy of VR was not significantly different from that of OBVAT.

Key words: Virtual reality-based, Vision therapy, Convergence insufficiency, Long-term effectiveness

中图分类号:

R777.4

李世金,唐昂藏,杨必,王将栏,刘陇黔. 虚拟现实视觉训练对集合不足长期疗效的观察[J]. 山东大学耳鼻喉眼学报, 2022, 36(5): 35-40.

LI Shijin, TANG Angcang, YANG Bi, WANG Jianglan, LIU Longqian. Long-term effectiveness of virtual reality-based vision therapy for convergence insufficiency:a random clinical trial[J]. Journal of Otolaryngology and Ophthalmology of Shandong University, 2022, 36(5): 35-40.

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