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Glaucoma: Overview

Glaucoma: Overview

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: May 11, 2026

Doppler Optical Coherence Tomography of Retinal Circulation

Doppler Optical Coherence Tomography of Retinal Circulation

Published on: September 18, 2012

通过视神经头部的血红蛋白度检测青光瘤的进展,使用自动色度分析.

Verônica Vilasboas-Campos^1,2, Alessandro A Jammal^1,2, Gabriel Ayub¹

¹Department of Ophthalmology, University of Campinas, Campinas, SP, Brazil.

European journal of ophthalmology

|February 19, 2026

概括

估计视神经头部 (ONH) 血红蛋白 (Hb) 度变化的算法无法有效检测青光眼的进展. 随着时间的推移,全球蛋白个体指标 (GIP) 的变化与初级开角绿内障 (POAG) 患者的视野变化无关.

关键词:

诊断技术 < 葡萄糖瘤水性幽默的动态 < 玻璃糖卫生经济学 < 格劳科马眼睛的血液流 < 玻璃眼球开放角度的玻璃眼 < 玻璃眼玻璃眼

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Published on: February 19, 2014

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

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Published on: May 25, 2020

相关实验视频

Last Updated: May 11, 2026

Doppler Optical Coherence Tomography of Retinal Circulation

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Published on: September 18, 2012

Detecting Abnormalities in Choroidal Vasculature in a Mouse Model of Age-related Macular Degeneration by Time-course Indocyanine Green Angiography

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Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Published on: May 25, 2020

科学领域:

眼科医生眼科眼科
医疗成像医学成像
玻璃眼研究研究玻璃眼研究

背景情况:

玻璃眼是导致不可逆转失明的主要原因.
早期发现青光眼的进展对于及时干预至关重要.
目前监测青光眼进展的方法有局限性.

研究的目的:

评估一个算法,量化血红蛋白 (Hb) 度变化在视神经头部 (ONH).
为了确定这个算法是否可以检测到眼睛眼病的进展,视野逐渐变化.
评估Hb度变化与初级开角青光眼 (POAG) 视野进展之间的关联.

主要方法:

对133只用POAG.病毒感染眼睛进行了回顾性队列研究.
标准自动周边测试 (SAP) 测试和ONH照片的分析.
使用了Laguna ONhE软件,用于对ONH中的Hb度进行自动色度分析.
定义的视野进展使用汉弗里周边的指导进展分析 (GPA).
雇佣受理者运行特征曲线 (ROC) 回归来评估全球蛋白个体指标 (GIP) 的表现.

主要成果:

20%的眼睛在平均2.4年的随访期间显示视野进展.
在进步和非进步的眼睛之间,中位数Hb度 (GIP) 变化没有显著差异.
随着时间的推移,GIP的变化与视野进展没有显著关联.
在GIP变化检测进展的ROC曲线下的面积为0.49.

结论:

来自 fundus 照片的 Hb 度估计在进步和不进步的眼睛之间没有显著差异.
随着时间的推移,GIP的变化与POAG.视野进展无关.
目前的方法需要改进,以有效地检测青光眼的进展.