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The principle of virtual work states that if a body is in static and dynamic equilibrium, then the sum of all the virtual work done by all external forces and couple moments for any given virtual displacement must be zero.
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Kinetics describes the rate and path by which a reaction occurs. In contrast, thermodynamics deals with state functions and describes the properties, behavior, and components of a system. It is not concerned with the path taken by the process and cannot address the rate at which a reaction occurs. Although it does provide information about what can happen during a reaction process, it does not describe the detailed steps of what appears on an atomic or a molecular level. On the other hand,...
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The use of Biofeedback in Clinical Virtual Reality: The INTREPID Project
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在获得性脑损伤中,基于虚拟现实的二疗法:功能和症状结果.

Carla Otero-Currás1, Francisco J Povedano-Montero1,2, Ricardo Bernárdez-Vilaboa1

  • 1Optometry and Vision Department, Faculty of Optics and Optometry, Complutense University of Madrid, 28037 Madrid, Spain.

Journal of clinical medicine
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概括

获得性脑损伤 (ABI) 的虚拟现实视觉治疗没有改善视野测量,但确实减少了与视觉有关的症状. 创伤性脑损伤患者表现出比中风患者更好的功能增长.

关键词:
获得的脑损伤.双眼视力 双眼视力 双眼视力 双眼视力二光学疗法二光学疗法是指二光学疗法.眼运动康复 眼运动康复虚拟现实 虚拟现实 虚拟现实 虚拟现实视野 视野 视野 视野 视野 视野

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科学领域:

  • 神经科学是一个神经科学.
  • 眼科医生 眼科 眼科
  • 康复医学 康复医学 康复医学

背景情况:

  • 获得性脑损伤 (ABI) 经常导致双眼视力缺陷,包括覆盖测试偏差和降低立体视力,影响功能视力.
  • 研究ABI后视力障碍的新疗法对于改善患者生活质量至关重要.

研究的目的:

  • 评估二光学虚拟现实 (VR) 视觉治疗方案在ABI的成年人中的疗效.
  • 评估VR治疗对视野参数,眼运动反应时间和自我报告的视觉症状的影响.

主要方法:

  • 一项受控并行组研究,涉及成人ABI患者 (平均年龄51岁).
  • 参与者被分配到二光视觉虚拟现实治疗组或对照组,接受六次治疗.
  • 主要结局包括周边视野指数和眼运动反应时间;脑损伤视觉症状调查 (BIVSS) 是次要结局.

主要成果:

  • 没有观察到周边视野指数的显著改善,在实验组的右上象限中只有一个小的例外.
  • 耳机反应时间在两组之间没有显著差异.
  • 双光视觉虚拟现实疗法组报告了视觉症状 (BIVSS分数) 的更大减少,而创伤性脑损伤患者显示出更好的功能改善.

结论:

  • 对ABI患者的二眼虚拟现实疗法没有恢复视野损失,但有效地减少了主观视觉症状.
  • 治疗可能会促进残留视力的功能适应,而不是结构恢复.
  • 治疗反应因病因而异,创伤性脑损伤患者受益更多;建议在更大的试验中进行进一步研究.