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相关概念视频

Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

406
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
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Glaucoma: Overview01:25

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Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
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Angle Closure Glaucoma: Treatment01:28

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Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
451

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相关实验视频

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Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking
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在初级绿眼中,阻断性控制和工作记忆使用斜视眼动.

Priyanka Maniarasu1, Neetha I R Kuzhuppilly2, Vijaya Pai H2

  • 1Department of Optometry, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, Karnataka, India.

Attention, perception & psychophysics
|September 26, 2024
PubMed
概括

玻璃眼会影响诸如抑制控制和工作记忆等认知功能. 眼动分析揭示了这些执行功能缺陷在青光眼患者,影响日常生活.

关键词:
眼睛的运动 眼睛的运动抑制性控制是一种抑制性控制.主要的玻璃眼 glaucoma 是一个主要的玻璃眼.萨卡德斯 (Saccades) 是一个神话.工作记忆 工作记忆

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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
  • 认知心理学 认知心理学

背景情况:

  • 玻璃眼是一种渐进的视神经病变,影响日常活动.
  • 神经成像表明,在青光眼中皮层和皮层下发生了变化,影响了认知和眼运动控制.
  • 执行功能,包括注意力和计划,对于日常任务至关重要,在青光眼中受损.

研究的目的:

  • 为了调查执行功能,特别是抑制控制 (IC) 和工作记忆 (WM),在绿眼病患者与对照者.
  • 利用眼动任务来评估青光眼中的IC和WM.
  • 探索眼和认知缺陷之间的关系.

主要方法:

  • 采用了四个执行功能敏感任务:反,记忆引导的前和反,以及Go-No.Go.
  • 评估了在前后动作任务 (控制条件) 中的斜视眼动参数.
  • 格劳科马患者与年龄相匹配的对照人群之间的眼动数据进行比较.

主要成果:

  • 玻璃眼与抑制控制和工作记忆的可证明变化有关.
  • 增加的预测分秒错误表明在绿眼中存在抑制性缺陷.
  • 在反撒卡德任务中出现较高的遗漏错误可能表明工作记忆调节受损.

结论:

  • 玻璃眼与执行功能的严重缺陷有关,特别是抑制控制和工作记忆.
  • 眼球运动异常提供了对格洛科马这些认知障碍的客观证据.
  • 研究结果支持认知能力下降在眼病理生理学的参与.