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Related Concept Videos

Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

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...
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

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...
Glaucoma: Overview01:25

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...
Angina IV: Management01:26

Angina IV: Management

IntroductionThe management of angina requires a comprehensive approach that includes pharmacological therapies, medical procedures, and lifestyle modifications.Pharmacological TherapiesAntiplatelet agents, such as aspirin, clopidogrel, prasugrel, and ticagrelor, play a pivotal role in preventing thrombus formation in patients with angina. These medications inhibit platelet aggregation and reduce the likelihood of myocardial infarction and other cardiovascular events.Anticoagulants, including...
Ophthalmic Drug Delivery Systems01:23

Ophthalmic Drug Delivery Systems

Ophthalmic drug delivery faces major limitations due to poor absorption across the corneal membrane. This process is primarily driven by diffusion and is influenced by two main factors: the physicochemical properties of the drug and tear drainage. Most ophthalmic drugs, such as pilocarpine, epinephrine, atropine, and local anesthetics, are weak bases. They are typically formulated at an acidic pH to enhance chemical stability. However, this leads to high ionization, reducing their ability to...
Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

Mitral regurgitation (MR) is characterized by retrograde blood circulation from the left ventricle into the left atrium due to inadequate mitral valve closure. The severity of the condition, symptoms, and underlying cause determine treatment strategies.Monitoring and Pharmacological TreatmentPatients with mild to moderate MR typically do not need immediate intervention but regular monitoring to assess progression and guide treatment. Patients with mild MR should have an echocardiogram every 3-5...

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Related Experiment Videos

Management of angle closure glaucoma.

Jovina L S See1, Maria Cecilia D Aquino, Joel Aduan

  • 1Department of Ophthalmology, National University Health System, National University Hospital, National University Health System, National University of Singapore, Singapore.

Indian Journal of Ophthalmology
|December 15, 2010
PubMed
Summary

Primary angle closure glaucoma (PACG) affects Asian populations significantly, with most cases in Asia. Understanding PACG classification, presentation, and pathophysiology is key to managing this condition.

Related Experiment Videos

Area of Science:

  • Ophthalmology
  • Glaucoma Research

Background:

  • Primary angle closure glaucoma (PACG) has a prevalence equal to primary open-angle glaucoma in Indian and Asian populations.
  • A significant majority (86%) of global PACG cases occur in Asia, with high concentrations in China (48.0%), India (23.9%), and Southeast Asia (14.1%).

Purpose of the Study:

  • To provide a comprehensive overview of Primary Angle Closure Glaucoma (PACG).
  • To elucidate the classification, presentation types, and underlying pathophysiology of PACG.

Main Methods:

  • Literature review and synthesis of existing data on PACG prevalence and epidemiology.
  • Analysis of classification systems and pathophysiological mechanisms of PACG.
  • Overview of current treatment modalities for PACG.

Main Results:

  • PACG is a major cause of glaucoma in Asian populations, comparable in prevalence to primary open-angle glaucoma.
  • Geographic distribution highlights Asia as the primary region affected by PACG, with specific high-prevalence areas.

Conclusions:

  • A thorough understanding of PACG's classification, varied presentations, and pathophysiology is essential for effective management.
  • Treatment strategies for PACG encompass medical, laser, and surgical interventions.