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Related Concept Videos

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

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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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Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
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Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

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Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
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Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

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Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
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Related Experiment Video

Updated: Jan 4, 2026

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
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[Modern view on ocular hypertension].

V P Erichev1, L A Panyushkina1

  • 1Research Institute of Eye Diseases, 11A Rossolimo St., Moscow, Russian Federation, 119021.

Vestnik Oftalmologii
|November 7, 2019
PubMed
Summary

Ocular hypertension, a key risk factor for glaucoma, requires careful management. This review details diagnostic approaches and risk factors for progression, offering guidance for patient care.

Keywords:
central corneal thicknessglaucomaglaucomatous optic neuropathyocular hypertensionoptical coherence tomographyperimetry

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Related Experiment Videos

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Area of Science:

  • Ophthalmology
  • Glaucoma Research
  • Intraocular Pressure Management

Background:

  • Elevated intraocular pressure (IOP) is the primary modifiable risk factor for glaucoma development.
  • Ocular hypertension (OHT) represents a critical stage preceding glaucoma.
  • Understanding OHT progression is vital for preventing irreversible vision loss.

Purpose of the Study:

  • To review and analyze studies on the differential diagnosis of ocular hypertension.
  • To identify and evaluate risk factors associated with the conversion of OHT to glaucoma.
  • To provide evidence-based recommendations for optimal patient management algorithms.

Main Methods:

  • Systematic literature review of diagnostic and prognostic studies.
  • Analysis of risk factors for glaucoma development in ocular hypertensive individuals.
  • Synthesis of current data to formulate clinical management guidelines.

Main Results:

  • Differential diagnostic criteria for OHT were evaluated.
  • Key risk factors influencing OHT to glaucoma conversion were identified.
  • Evidence supports specific monitoring and treatment thresholds.

Conclusions:

  • Accurate diagnosis of OHT is crucial for timely intervention.
  • Risk stratification aids in personalized glaucoma management strategies.
  • Adherence to recommended management algorithms can mitigate glaucoma progression.