在视觉雪综合征中临床阅读相关的眼运动评估
Barry Tannen1, Alina Sample2, Kenneth J Ciuffreda3
1EyeCare Professionals, PC 1777 Kuser Road, Hamilton Square, NJ 08690, USA; SUNY State College of Optometry, New York, NY, USA.
Journal of optometry
|November 2, 2023
概括
视觉雪综合征 (VSS) 与频繁的眼动问题有关,影响阅读. 这项研究证实了使用临床眼动测试的VSS患者的眼运动缺陷.
科学领域:
- 神经眼科神经眼科
- 临床光学测量是临床的.
背景情况:
- 视觉雪综合征 (VSS) 是一种复杂的神经疾病,具有多种症状.
- 之前的研究表明,在VSS患者中存在微妙的形异常.
研究的目的:
- 确认和扩展VSS中先前发现的萨卡迪功能障碍.
- 通过标准化的临床阅读相关的眼动测试来评估与萨卡迪相关的问题.
主要方法:
- 对32名VSS患者 (16-56岁) 的回顾性分析.
- 使用了三个与阅读相关的眼动测试:Visagraph,DEM和RightEye.
- 适用于所有测试的标准协议和规范数据库.
主要成果:
- 在所有测试中都观察到眼运动缺陷的高患病率.
- 维萨格拉夫在56%的患者中发现了缺陷,右眼在23%的患者中.
- 77%的VSS患者至少失败了其中一个测试的眼动评估.
结论:
- 这些发现证实并扩展了先前关于VSS.saccadic眼运动问题的研究.
- 在VSS患者中,眼运动缺陷很普遍,即使是在与阅读相关的任务中.
- 这支持VSS中存在更广泛的眼运动和运动问题的存在.
更多相关视频
相关概念视频
Accessory Structures of the Eye
1.6K
Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
1.6K
Photoreceptors and Visual Pathways
6.1K
At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
6.1K


