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相关概念视频

Glaucoma: Overview01:25

Glaucoma: Overview

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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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Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

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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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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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Alterations in blood pressure, such as hypertension (high blood pressure) and hypotension (low blood pressure), significantly affect human health. Understanding these conditions' classifications, causes, and symptoms is essential for effective management and treatment.
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Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
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常压性和高压性伪皮性玻璃眼之间的特征差异

Da Young Shin1, Chan Kee Park2, Na Young Lee1

  • 1Department of Ophthalmology, Eunpyeong St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 03312, Republic of Korea.

Journal of clinical medicine
|February 24, 2024
PubMed
概括

与高血压的PXG眼睛相比,正常的伪皮眼 (PXG) 眼睛显示出较薄的中枢角膜厚度和板状晶状体厚度,这表明玻璃眼的潜在结构脆弱性.

关键词:
中央角膜的厚度 角膜的厚度高血压的伪皮性玻璃眼,高血压的伪皮性玻璃眼拉米娜·克里布罗萨斯 (Lamina Cribrosa) 是一个正常紧张的伪皮性玻璃眼.

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科学领域:

  • 眼科医生 眼科 眼科
  • 玻璃眼研究研究 玻璃眼研究
  • 眼部生物力学 眼部生物力学

背景情况:

  • 伪皮性玻璃眼 (PXG) 是二次玻璃眼的一种常见形式.
  • 眼内压力 (IOP) 是绿眼病进展的一个关键因素.
  • 根据IOP了解PXG的结构差异对于风险分层至关重要.

研究的目的:

  • 为了比较高血压眼睛和正常血压眼睛之间的眼睛结构差异,PXG眼睛.
  • 调查PXG中的眼内压力 (IOP) 和眼睛参数之间的关系.

主要方法:

  • 对166个PXG眼睛 (86个高血压,80个正常血压) 的回顾性研究.
  • 中央角膜厚度 (CCT) 通过超声波平衡测量.
  • 使用扫描源光学连贯性断层扫描评估的Lamina cribrosa厚度 (LT).

主要成果:

  • 正常血压PXG眼睛的CCT明显比高血压PXG眼睛更薄 (p=0.02).
  • 在对年龄和青光眼严重程度进行匹配后,与高血压PXG眼相比,正常血压PXG眼的LT显著较轻 (p<0.001).
  • 两组之间没有发现年龄,性别,轴长,高血压或糖尿病的显著差异.

结论:

  • 与高血压PXG眼相比, normotensive PXG眼睛的CCT和LT较薄.
  • 这些发现表明,在正常压力PXG.中存在潜在的结构脆弱性.
  • 结构上的差异可能会影响青光眼的进展和管理策略.