Investigation of the effect of the alignment of the eye and the virtual image of virtual reality on fatigue in viewing VR device

IF 1.7 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of the Society for Information Display Pub Date : 2024-09-16 DOI:10.1002/jsid.2007
Hyungki Hong, Hyungoo Kang
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引用次数: 0

Abstract

Cybersickness is a major problem hindering the use of fully immersive virtual reality (VR) systems. A mismatch between the interpupillary distance (IPD) and the inter-optical system distance (IOSD) can cause discomfort when using VR devices. To solve this, the IOSD must be aligned according to the user's IPD. Herein, we investigated the effects of the optimum alignment of IPD and IOSD on eye fatigue when using VR systems. A method was used such that the IPD and IOSD for each participant were initially aligned under the condition that binocular fusion did not occur by displaying different left and right images. Fifteen university students aged 20–26 years were included. In the alignment and misalignment states, a symptom questionnaire was used to evaluate changes in the symptoms of participants after viewing a short movie using the VR device. We found that the obtained results in the eye strain category were statistically improved in the aligned state compared with those in the misaligned state. However, there were no significant differences in the general discomfort, nausea, focusing difficulty, or headache categories. Consequently, we confirmed that the alignment of the VR device using the proposed method can reduce eye fatigue when viewing VR content.

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眼睛与虚拟现实的虚拟图像对齐对观看 VR 设备疲劳的影响调查
晕机是妨碍使用完全沉浸式虚拟现实(VR)系统的一个主要问题。瞳孔间距(IPD)和光学系统间距(IOSD)不匹配会导致用户在使用 VR 设备时感到不适。为了解决这个问题,必须根据用户的瞳间距来调整 IOSD。在此,我们研究了使用 VR 系统时,IPD 和 IOSD 的最佳对齐方式对眼睛疲劳的影响。我们采用了一种方法,即在不发生双眼融合的条件下,通过显示左右不同的图像,对每个参与者的 IPD 和 IOSD 进行初始对齐。研究对象包括 15 名大学生,年龄在 20-26 岁之间。在对齐和错位状态下,我们使用症状问卷来评估参与者在使用 VR 设备观看短片后的症状变化。我们发现,与错位状态相比,对齐状态下眼睛疲劳类别的结果在统计学上有所改善。然而,在一般不适、恶心、对焦困难或头痛类别中,没有明显差异。因此,我们证实,使用建议的方法对准 VR 设备可以减轻观看 VR 内容时的眼睛疲劳。
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来源期刊
Journal of the Society for Information Display
Journal of the Society for Information Display 工程技术-材料科学:综合
CiteScore
4.80
自引率
8.70%
发文量
98
审稿时长
3 months
期刊介绍: The Journal of the Society for Information Display publishes original works dealing with the theory and practice of information display. Coverage includes materials, devices and systems; the underlying chemistry, physics, physiology and psychology; measurement techniques, manufacturing technologies; and all aspects of the interaction between equipment and its users. Review articles are also published in all of these areas. Occasional special issues or sections consist of collections of papers on specific topical areas or collections of full length papers based in part on oral or poster presentations given at SID sponsored conferences.
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