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Related Concept Videos

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.
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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: Jul 26, 2025

Glaucoma-inducing Procedure in an In Vivo Rat Model and Whole-mount Retina Preparation
08:30

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Glaucoma Fellows-in-Training Recent Surgery Trends.

Grace E Nipp1, Ahmad A Aref2, Sandra S Stinnett1

  • 1Department of Ophthalmology, Duke University Medical Center, Duke Eye Center, Durham, North Carolina.

Ophthalmology. Glaucoma
|June 19, 2023
PubMed
Summary
This summary is machine-generated.

Glaucoma fellows are performing more microinvasive glaucoma surgery (MIGS) procedures. The increase in MIGS has not led to a significant decrease in trabeculectomies or aqueous shunt surgeries among trainees.

Keywords:
FellowshipGlaucomaMIGSSurgeryTrends

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Area of Science:

  • Ophthalmology
  • Surgical Training
  • Glaucoma Management

Background:

  • Microinvasive glaucoma surgery (MIGS) volume has surged significantly between 2013 and 2018.
  • Understanding the impact of MIGS on surgical training is crucial.

Purpose of the Study:

  • To determine the proportion of glaucoma surgeries performed by fellows-in-training that comprise MIGS, trabeculectomies, and aqueous shunts.
  • To assess the impact of increasing MIGS volume on surgical training for glaucoma fellows.

Main Methods:

  • Retrospective analysis of aggregate surgical data from glaucoma fellows.
  • Data analyzed from academic years 2014 through 2020, reported to the AUPO-FCC.
  • Calculated the proportion of MIGS, trabeculectomies, and aqueous shunts within the total average surgeries performed per fellow annually.

Main Results:

  • The average number of MIGS procedures performed by fellows increased significantly over the study period (P < 0.001).
  • Average trabeculectomies decreased slightly year-to-year (-0.80), while aqueous shunts saw a modest increase (+0.8).
  • The total average number of glaucoma procedures performed per fellow increased by approximately 4.8 per year.

Conclusions:

  • Glaucoma fellows are performing an increasing number of MIGS procedures.
  • The volume of trabeculectomies and aqueous shunt surgeries remained relatively stable.
  • The rise in MIGS is not associated with a substantial decrease in other major glaucoma surgeries performed by fellows.