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相关概念视频

Personal Protective Equipment01:20

Personal Protective Equipment

Personal protective equipment (PPE) is unique clothing or equipment worn by an employee to minimize or prevent exposure to infectious agents. PPE creates a barrier between the employee and the infectious materials. PPE must be readily available in the patient care area. PPE includes gloves, gowns and aprons, masks and respirators, goggles, face shields, shoes, and headcovers:
PPE Use in Healthcare Settings I: Donning01:22

PPE Use in Healthcare Settings I: Donning

Donning PPE must be completed before contact with the patient. This process protects from infectious agents. The sequence and action included in each donning are critical, and the steps must be systematic to avoid exposure to pathogens. The institutional policy also needs to be followed while donning PPE. The pre-donning preparations are gathering equipment, inspecting the PPE equipment for tears, holes, or damage, removing jewelry, removing any garments below the elbows, and tying the hair...
Equipments Used To Measure Blood Pressure01:30

Equipments Used To Measure Blood Pressure

Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...

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相关实验视频

Updated: Jul 23, 2026

Inducement and Evaluation of a Murine Model of Experimental Myopia
07:20

Inducement and Evaluation of a Murine Model of Experimental Myopia

Published on: January 22, 2019

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一个儿童友好的可穿戴设备,用于量化近视的环境风险因素.

Agostino Gibaldi1,2, Elise N Harb1, Christine F Wildsoet1

  • 1Herbert Wertheim School of Optometry and Vision Science, University of California at Berkeley, Berkeley, CA, USA.

Translational vision science & technology
|October 18, 2024
PubMed
概括

研究人员开发了一种适合儿童的设备,用于测量视觉环境因素,如光强度和距离. 这种工具将有助于识别儿童近视发展的风险.

科学领域:

  • 眼科医生 眼科 眼科
  • 环境科学 环境科学
  • 儿科 儿科 儿科

背景情况:

  • 近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近眼近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近视近
  • 环境因素越来越被认为是眼睛生长的关键调节者.
  • 了解儿童近视的特定视觉环境风险至关重要.

研究的目的:

  • 设计和测试一种新的,适合儿童的设备,用于测量视觉环境暴露.
  • 评估儿童日常活动中的照明强度,光谱含量和视觉距离.
  • 收集试点数据,以确定与近视相关的环境风险因素.

主要方法:

  • 开发了一种装在头部的设备,集成到自行车头盔中.
  • 该设备具有用于测距的摄像头和用于光分析的六通道光谱传感器.
  • 一个轻量级的,电池驱动的微型计算机容纳了用于数据收集的传感器.

主要成果:

  • 该设备被发现是舒适的,易于使用,并安全的儿童.

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相关实验视频

Last Updated: Jul 23, 2026

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  • 它成功地收集了有关照明统计和观测距离的宝贵数据.
  • 在各种室内和室外活动中,从儿童那里获得了试点数据.

    • 结论:

    • 开发的设备适合在患近视风险的幼儿的研究中使用.
    • 收集的数据将有助于确定儿童容易患近视的特定视觉环境特征.
    • 这项研究为推进近视预防策略提供了关键的工具.