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Related Concept Videos

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, 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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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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Related Experiment Video

Updated: Jan 6, 2026

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
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Micro-invasive glaucoma surgery - an interventional glaucoma revolution.

Manjool Shah1

  • 1Department of Ophthalmology and Visual Sciences, Kellogg Eye Center, University of Michigan, 1000 Wall Street, Ann Arbor, MI 48105 USA.

Eye and Vision (London, England)
|October 5, 2019
PubMed
Summary
This summary is machine-generated.

Micro-invasive glaucoma surgery (MIGS) offers new ways to reduce eye pressure safely and effectively. This review categorizes MIGS by how they improve fluid drainage, aiding personalized glaucoma treatment.

Keywords:
GlaucomaGlaucoma surgeryIndividualized careMicro-invasive glaucoma surgery

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Area of Science:

  • Ophthalmology
  • Surgical Innovation
  • Glaucoma Management

Background:

  • Glaucoma surgery has evolved significantly with the advent of micro-invasive glaucoma surgery (MIGS).
  • MIGS techniques aim to enhance safety, efficacy, and patient-specific care by targeting natural fluid outflow pathways.
  • These procedures represent a paradigm shift from traditional glaucoma interventions.

Purpose of the Study:

  • To review and classify current micro-invasive glaucoma surgery (MIGS) techniques.
  • To categorize MIGS based on their anatomical targets and mechanisms of intraocular pressure (IOP) reduction.
  • To provide a framework for understanding the diverse MIGS landscape for clinical decision-making.

Main Methods:

  • Review of MIGS modalities focusing on interventions at Schlemm's canal (conventional outflow).
  • Analysis of MIGS targeting the uveoscleral outflow pathway via suprachoroidal shunting.
  • Examination of MIGS that enhance transscleral or subconjunctival outflow, building on traditional filtration.

Main Results:

  • MIGS can be broadly classified by their anatomical approach and IOP lowering mechanism.
  • Key categories include conventional outflow enhancement, uveoscleral pathway modulation, and transscleral/subconjunctival outflow optimization.
  • The variety of MIGS necessitates a structured understanding for appropriate patient selection.

Conclusions:

  • A comprehensive understanding of MIGS classifications aids clinicians in choosing optimal surgical strategies.
  • MIGS provide diverse options for individualized glaucoma care based on disease pathophysiology.
  • The evolving MIGS landscape empowers glaucoma surgeons with advanced tools for IOP management.