跑步机上行走会损害早期玻璃眼的视觉功能,老年人控制
Rosalie Beyer1, Khaldoon O Al-Nosairy1, Constantin Freitag2
1Ophthalmic Department, University Hospitals Magdeburg, Leipziger Str. 44, 39120, Magdeburg, Germany.
概括
跑步机上行走会影响视觉功能,如视觉敏度和视野平均偏差在健康的老年人和患有青光眼的人群中. 这项研究引入了一种新方法来评估行走期间的视力变化,这对于了解跌倒风险至关重要.
科学领域:
- 眼科和老年医疗医学
- 研究老年人群中视觉功能和移动性之间的相互作用.
背景情况:
- 视力受损是老年人倒的重要危险因素.
- 视力功能障碍的常见原因之一眼,可加剧跌倒的风险.
- 了解行走过程中视觉功能如何受到影响,对于预防跌倒的策略至关重要.
研究的目的:
- 测试跑步机 (TM) 步行对健康的老年人和患有青光眼的人的视觉功能产生影响的假设.
- 引入和验证一种用于在行走时评估视觉功能的新范式.
- 探索老年人视力障碍,移动性和跌倒风险之间的关系.
主要方法:
- 一项涉及30名健康对照组 (HC) 和18名年龄在62-83岁之间的青光眼患者 (GLA) 的横截面研究.
- 双眼评估的视觉功能:最佳校正的视敏度 (BCVA) 有/没有拥挤,对比度敏感度 (CS) 和视野平均偏差 (VF-MD).
- 在站立和TM行走期间以首选的快速速度和固定3.5公里/小时进行的测试.
主要成果:
- 早期中度视野损失的青光眼患者的表现与健康对照人群相比相当.
- 无论组别如何,步行速度都对BCVA (平均损失0.02-0.05 logMAR) 和VF-MD (平均损失1dB) 产生了显著的影响.
- 对比度灵敏度 (CS) 没有受到步行速度的显著影响.
结论:
- 成功开发和验证了一种用于评估行走期间视觉功能的新方法.
- 跑步机上行走诱导BCVA和VF-MD的可测量下降,无论是健康的老年人还是青光眼患者.
- 这种方法对调查视力障碍,移动性和在格洛科马等疾病中增加跌倒频率之间的联系充满希望.
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