在使用基于智能手机的虚拟现实系统的老年人中,主观视觉垂直性和视觉依赖平衡功能的影响
Shota Hayashi1, Tomohiko Kamo1, Hirofumi Ogihara2
1Gunma PAZ University Graduate School of Health Sciences, Takasaki, Japan.
Perception
|May 29, 2025
概括
高度视觉依赖的老年人表现出较差的静态平衡,特别是在视力有限时. 这凸显了需要在老年人的平衡评估中评估视觉依赖,以改善预防跌倒的策略.
科学领域:
- 老年学是一门学科.
- 生物医学工程 生物医学工程
- 运动学 运动学
背景情况:
- 老年人的平衡控制依赖于视觉,体感和前置输入.
- 老年人经常表现出增加的视觉依赖,可能会影响步行速度和平衡.
- 在这个人群中,视觉依赖与姿势控制的客观测量之间的具体关系还不清楚.
研究的目的:
- 调查视觉依赖与健康老年人的各种平衡措施之间的关联.
- 确定视觉依赖是否预示着较差的姿势控制,特别是在具有挑战性的感官条件下.
主要方法:
- 一项对50名健康老年人 (平均年龄72.0±4.6岁) 的横截面研究.
- 使用静态和动态主观视觉垂直 (SVV) 通过基于智能手机的虚拟现实来评估视觉依赖.
- 使用稳定计 (测量中侧侧摆动速度) 和迷你平衡评估系统测试 (Mini-BESTest) 评估平衡功能.
主要成果:
- 视觉依赖与中侧平均摆动速度的增加显著相关,当参与者站在泡表面上闭着眼睛时 (β=0.41,p=0.011).
- 这种关联解释了摇摆速度变异的19% (R2=0.19).
- 在多变量分析中,没有发现与其他平衡指标 (如Mini-BESTbest分数,摆动路径或振幅) 有显著的关联.
结论:
- 老年人高度视觉依赖与静态平衡控制的减少有关,特别是当视觉和体感官输入减少时.
- 这些发现强调了评估老年人平衡障碍视觉依赖的重要性.
- 将视觉依赖性评估纳入平衡评估和康复计划中,可能会增强对这一群体的跌倒预防策略.
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