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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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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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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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Related Experiment Video

Updated: Nov 18, 2025

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
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Posttraumatic Ocular Hypotony Through Epithelial Downgrowth.

Joana Heinzelmann1, Celestina Schober1, Andrea Huth1

  • 1Universitätsklinik und Poliklinik für Augenheilkunde, Universitätsklinikum Halle, Deutschland.

Klinische Monatsblatter Fur Augenheilkunde
|February 4, 2021
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Summary
This summary is machine-generated.

Prompt wound closure is vital for globe injuries to prevent devastating posttraumatic epithelial downgrowth. This condition can lead to corneal melting and tractional retinal detachment, especially in children.

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Area of Science:

  • Ophthalmology
  • Pathology

Background:

  • Intraocular epithelial downgrowth is a rare but severe posttraumatic complication.
  • Untreated cases can lead to corneal decompensation, glaucoma, retinal detachment, and blindness.

Observation:

  • A 10-year-old patient with a penetrating globe injury presented with corneal melting, retinal detachment, and hypotony.
  • Despite penetrating keratoplasty and vitrectomy, corneal melting and retinal detachment recurred, necessitating globe enucleation.

Findings:

  • Optical coherence tomography showed corneal melting and hyperreflective posterior corneal structures.
  • Immunohistology confirmed diffuse squamous cell epithelium on ocular surfaces and retina, causing tractional retinal detachment.

Implications:

  • Posttraumatic epithelial downgrowth can cause tractional retinal detachment and corneal melting.
  • Hyperreflective OCT findings may indicate diffuse epithelial downgrowth.
  • Urgent wound closure in pediatric globe injuries is crucial to prevent this complication.