Related Experiment Video
Updated: Dec 19, 2025
08:30
Glaucoma-inducing Procedure in an In Vivo Rat Model and Whole-mount Retina Preparation
Published on: March 12, 2016
13.5K
[Etiopathogenesis of primary open-angle glaucoma]
1Belgorod State National Research University, Belgorod, Russia.
Vestnik Oftalmologii
|June 7, 2020
Summary
This review explores primary open-angle glaucoma (POAG) causes and risk factors. It examines various theories, including vascular, mechanical, and metabolic, to understand this complex eye condition.
Area of Science:
- Ophthalmology
- Glaucoma Research
- Pathophysiology
Background:
- Primary open-angle glaucoma (POAG) presents a significant challenge in ophthalmology.
- Understanding its etiopathogenesis and risk factors is crucial for effective management.
Purpose of the Study:
- To review and synthesize existing literature on the etiopathogenesis of POAG.
- To identify and discuss the various theories and risk factors associated with POAG development.
Main Methods:
- Literature review of scientific articles and studies.
- Analysis of different etiological theories for POAG.
- Compilation of known risk factors for POAG.
Main Results:
- Multiple theories exist regarding POAG development, including vascular, mechanical, dystrophic, metabolic, liquor hypertension, and individual intraocular pressure norms.
- Various risk factors contribute to the onset and progression of POAG.
Conclusions:
- POAG is a multifactorial disease with complex and debated origins.
- Further research is needed to elucidate the precise mechanisms and identify key risk factors for targeted interventions.
More Related Videos
10:10Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
Published on: February 15, 2022
1.7K
08:55Translaminar Autonomous System Model for the Modulation of Intraocular and Intracranial Pressure in Human Donor Posterior Segments
Published on: April 24, 2020
3.4K
Related Concept Videos
01:25Glaucoma: Overview
1.1K
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...
1.1K
01:27Open Angle Glaucoma: Treatment
876
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...
Drugs such as carbonic anhydrase inhibitors, α2- and...
876
01:28Angle Closure Glaucoma: Treatment
1.0K
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...
1.0K
01:29Acute Kidney Injury II: Pathophysiology
711
Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
711
01:27Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
1.7K
Schizophrenia is a neurodevelopmental disorder whose origins are rooted in complex genetic components. Despite our burgeoning understanding, the pathophysiology of this disorder remains incompletely deciphered.
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...
1.7K
01:22Photoreceptors and Visual Pathways
8.4K
At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
8.4K