在正常受试者和使用隐形眼镜传感器系统的开放角度眼光病患者中,随着位置转换而持续的眼内压变化
Yuning Zhang1, Wenxin Yang1, Zidong Chen1
1State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Sun Yat-Sen University, Guangzhou, 510060, People's Republic of China.
概括
一个新型的隐形眼镜传感器系统 (CLS) 能够有效地监测定位变化期间眼内压力 (IOP) 的变化. 玻璃眼病患者的内血压增加比正常人更明显,与眼睛高血压患者不同.
科学领域:
- 眼科医生 眼科 眼科
- 生物医学工程 生物医学工程
- 玻璃眼研究研究 玻璃眼研究
背景情况:
- 位置变化可以改变眼内压力 (IOP),其中的变化可能与青光眼有关.
- 传统的度仪提供了不连续的IOP测量,限制了对动态IOP变化的理解.
- 一个新的隐形眼镜传感器系统 (CLS) 在位置转换期间提供连续的IOP监控.
研究的目的:
- 评估新型CLS在检测定位过渡期间连续IOP变化的有效性.
- 为了比较正常受试者,未经治疗的青光眼 (高压和正常压) 和未经治疗的眼睛高血压 (OHT) 组中的IOP变异模式.
主要方法:
- 一项前性比较研究,涉及正常受试者,高压格拉瘤 (HTG),正常张力格拉瘤 (NTG) 和OHT患者.
- 在连续的身体姿势变化期间使用CLS进行持续的IOP监测:坐着,躺着和10°的头向下倾斜 (HDT).
- 分析IOP参数,包括位置和组之间的平均值,峰值,波动,增量,间隔和速度.
主要成果:
- 与坐着患者相比,CLS检测出正常受试者,HTG和NTG患者的卧卧/HDT姿势中增加的平均和峰值IOP.
- 除了速度之外,OHT受试者在不同位置上没有显著的IOP参数差异.
- 在坐卧转变期间,HTG患者表现出比正常人更高的IOP增量和速度;NTG患者与正常人相比没有显著差异.
结论:
- 在CLS有效地记录了持续的IOP对正常眼睛和眼睛的位置变化的反应.
- 从坐到仰卧的过渡增加了正常受试者的内压,HTG和NTG,但不是OHT.
- 过渡后的IOP增加在HTG患者中比正常人更明显和更快,而在NTG患者中则相似.
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