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视频隐形影像学在整个生命周期中的眼运动发现
Elizabeth Tobener1, Ashlee Searer1, Steven Doettl1
1Department of Audiology and Speech Pathology, University of Tennessee Health Science Center, Knoxville, Tennessee.
Journal of the American Academy of Audiology
|September 17, 2024
概括
年龄显著影响眼运动测试的表现. 儿童和老年人均表现出延长的萨卡德延迟和减少平滑的追逐收益,而老年人也表现出较慢的萨卡德速度和减少的光动力学 (OPK) 收益,强调需要特定年龄的规范性数据.
科学领域:
- 神经科学是一个神经科学.
- 眼科医生 眼科 眼科
- 老年学是一门学科.
背景情况:
- 标准的视频阴影影像 (VNG) 眼运动测试不能积极刺激前庭系统,依赖于小脑,脑干和眼运动系统的反应.
- 在前庭检测中发现异常发现可能难以归因于年龄或眼运动功能障碍,在标准年龄规范之外的患者中.
研究的目的:
- 评估年龄对标准的临床VNG眼运动测试的影响,包括跳动,平滑追逐和光动力学 (OPK) 测试.
主要方法:
- 一项跨部门,跨组前性研究比较了不同年龄组的眼运动测试.
- 参与者包括21名老年人 (60-90岁),33名成年人 (20-60岁) 和29名儿童 (4-6岁).
- 眼动力测试使用红外防护眼镜对冲,平滑追逐和OPK进行测试,并进行包括MANOVA和ANOVA在内的统计分析.
主要成果:
- 在各年龄组之间观察到,动的延迟和速度,平滑的追逐收益以及OPK收益和速度的显著差异.
- 儿童和老年人有较长的冲击延迟时间;老年人有较慢的冲击速度.
- 在儿童和老年人中发现了减少平滑追逐的收益,随着频率的增加而减少. 与儿童和对照组相比,老年人显示OPK增益和速度降低.
结论:
- 在儿童和老年人中,延长的萨卡德延迟和减少平滑的追逐收益可能表明小脑效应.
- 仅在老年人中降低的冲击速度和OPK增长表明眼运动退化或视野覆盖问题.
- 特定于年龄的规范性数据对于准确的临床眼运动测试至关重要.
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