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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

570
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

Angle Closure Glaucoma: Treatment

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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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Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

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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,...
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Renal Corpuscle01:20

Renal Corpuscle

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The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
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Related Experiment Video

Updated: Jul 2, 2025

Laser Capture Microdissection of Highly Pure Trabecular Meshwork from Mouse Eyes for Gene Expression Analysis
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Systemic Diseases in Primary Open-Angle Glaucoma.

Anna Maria Voigt1, Stephanie Grabitz1, Esther Maria Hoffmann1

  • 1Augenklinik und Poliklinik, Universitätsmedizin der Johannes Gutenberg-Universität Mainz, Deutschland.

Klinische Monatsblatter Fur Augenheilkunde
|February 27, 2024
PubMed
Summary
This summary is machine-generated.

Primary open-angle glaucoma is a neurodegenerative optic neuropathy. This review explores how systemic conditions like hypertension, diabetes, and sleep apnea contribute to glaucoma development.

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Glaucoma-inducing Procedure in an In Vivo Rat Model and Whole-mount Retina Preparation
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Area of Science:

  • Ophthalmology
  • Neurology
  • Internal Medicine

Background:

  • Primary open-angle glaucoma (POAG) is a leading cause of irreversible blindness.
  • POAG is characterized by progressive optic nerve damage and visual field loss.
  • Systemic diseases are increasingly recognized as contributing factors to POAG pathogenesis.

Conclusions:

  • Systemic diseases play a significant role in the pathogenesis of primary open-angle glaucoma.
  • Understanding these links can inform integrated management strategies.
  • Further research is needed to fully elucidate the complex interplay between systemic health and glaucoma.