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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...
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Open Angle Glaucoma: Treatment01:27

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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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Updated: Jan 17, 2026

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
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在一个大规模的全县安全网电视网查计划中,急性角度关闭的发生率.

Tracy Z Lang1, Benjamin Y Xu1, Zhiwei Li2

  • 1Roski Eye Institute, Keck School of Medicine, University of Southern California, Los Angeles.

JAMA ophthalmology
|September 18, 2025
PubMed
概括
此摘要是机器生成的。

药理学瞳孔扩张在眼科检查中是安全的,急性视角关闭 (AAC) 的风险非常低 (0.002%). 这项研究验证了使用ICD代码来识别扩张后的AAC病例.

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科学领域:

  • 眼科医生 眼科 眼科
  • 公共卫生 公共卫生
  • 医疗信息学 医疗信息学

背景情况:

  • 药理学瞳孔扩张对于诊断眼睛疾病至关重要.
  • 担心引发急性角关闭 (AAC),眼科紧急情况,往往导致避免扩张.
  • 验证用于识别AAC病例的方法对于患者安全和研究至关重要.

研究的目的:

  • 为了确定药理学瞳孔扩张后AAC的发生率.
  • 评估国际疾病分类 (ICD) 代码在扩张后识别AAC病例时的准确性.
  • 在一个大规模的糖尿病视网膜病变查计划中评估扩张的安全性.

主要方法:

  • 对患者进行了回顾性队列研究,这些患者参加了Teleretinal糖尿病视网膜病变查 (TDRS) 计划.
  • 在扩展后的特定时间框架内使用ICD代码和程序代码识别潜在的AAC案件.
  • 手动医疗记录审查用于AAC病例验证和数据提取.

主要成果:

  • 在84,008名患者身上,共进行了168,796次扩张.
  • 扩张后发生了四例确诊的AAC病例,导致每次扩张的发病率为0.002%.
  • 发现AAC的风险很低,特别是在服务于多样化人口的大量查计划中.

结论:

  • 药理学瞳孔扩张表明,即使在多样化,大体积查环境中,诱导急性角度闭合的风险很低.
  • 这些发现支持瞳孔扩张用于查眼病的整体安全性.
  • 关于AAC扩张风险的禁忌的进一步讨论是合理的.