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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.
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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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Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
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Visual System01:26

Visual System

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Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
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The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
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Related Experiment Video

Updated: Feb 15, 2026

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
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[Visual recovery as the target for glaucoma].

V Chrysostomou1,2, R J Hatch1,2, T Colgan1,2

  • 1Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, 32 Gisborne Street, VIC 3002, East Melbourne, Australien.

Der Ophthalmologe : Zeitschrift Der Deutschen Ophthalmologischen Gesellschaft
|February 1, 2018
PubMed
Summary
This summary is machine-generated.

Retinal ganglion cells (RGCs) can regain function after injury, but recovery is impacted by age and diet. Exercise significantly enhances RGC functional recovery, offering potential therapeutic avenues for glaucoma.

Keywords:
AgingMouse modelsRetinal ganglion cellVisionVisual field

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Area of Science:

  • Ophthalmology
  • Neuroscience
  • Cell Biology

Background:

  • Visual recovery in glaucoma is not well understood.
  • Glaucoma can lead to damage of retinal ganglion cells (RGCs).

Purpose of the Study:

  • Investigate functional recovery of RGCs after injury.
  • Inform the development of treatments to improve RGC function post-injury.

Main Methods:

  • Utilized a mouse model with induced intraocular pressure (IOP) elevation.
  • Studied RGC function recovery following acute IOP insult.

Main Results:

  • RGCs demonstrated near-complete functional recovery after a period of dysfunction.
  • Age and high-fat diet impaired recovery; exercise significantly improved it, even in older mice.

Conclusions:

  • Injured RGCs possess the ability to restore function after impairment.
  • Targeting RGCs to enhance recovery capacity may offer novel glaucoma treatment strategies.