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相关概念视频

Glaucoma: Overview01:25

Glaucoma: Overview

560
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...
560
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

485
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...
485
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

440
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...
440

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相关实验视频

Updated: Jun 28, 2025

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
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基于卷积神经网络的绿眼的分类,使用光学辐射组织特性.

John Kruper1,2, Adam Richie-Halford3, Noah C Benson2

  • 1Department of Psychology, University of Washington, Seattle, WA, USA.

Communications medicine
|April 11, 2024
PubMed
概括

玻璃眼,导致失明的主要原因,显示在大脑的光学辐射的一个明显的签名. 这项研究使用人工智能来识别这些变化,提高我们对视力丧失如何影响大脑组织的理解.

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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
  • 医疗成像医学成像

背景情况:

  • 老龄化或疾病引起的感官变化会影响大脑组织.
  • 玻璃眼是全球首要的失明原因.
  • 玻璃眼和大脑连接性改变之间的关系需要进一步调查.

研究的目的:

  • 为了研究青光眼和大脑连接的改变之间的联系.
  • 为了比较分析视觉路径与非视觉路径的有效性,用于对青光眼的分类.
  • 探索人工智能在识别与眼相关的大脑变化的潜力.

主要方法:

  • 分析了905名青光眼患者和5292名健康个体 (英国生物库) 的扩散MRI数据.
  • 卷积神经网络 (CNN) 用于基于光学辐射和非视觉大脑连接来对玻璃眼进行分类.
  • 规则化的线性回归模型作为对分类性能的控制.

主要成果:

  • 与分析非视觉连接的CNN相比,分析光学辐射的CNN在分类青光眼的准确性更高.
  • 规范化的线性回归模型显示分类性能明显较弱.
  • 美国有线电视新闻网 (CNN) 的模型并未将其推广到分类年龄组或与年龄相关的黄斑变性.

结论:

  • 玻璃眼在光学辐射的组织特性中表现出明显的,潜在的非线性特征.
  • 这些发现有助于我们更好地了解青光眼如何影响大脑组织.
  • 这项研究为研究感官输入疾病及其对大脑衰老的影响开辟了道路.