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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

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...
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

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...
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

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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Related Experiment Video

Updated: Jul 4, 2026

Glaucoma-inducing Procedure in an In Vivo Rat Model and Whole-mount Retina Preparation
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Changing trends in glaucoma surgery within Australia.

Michelle T Sun1, Reema Madike2, Sonia Huang2

  • 1South Australian Institute of Ophthalmology, The University of Adelaide and Royal Adelaide Hospital, Adelaide, South Australia, Australia michelle.sun@adelaide.edu.au.

The British Journal of Ophthalmology
|February 18, 2021
PubMed
Summary
This summary is machine-generated.

Glaucoma surgery trends in Australia show a decline in trabeculectomy procedures, especially for older adults. Glaucoma drainage device (GDD) surgeries significantly increased across all age groups, indicating a shift in surgical management.

Keywords:
glaucoma

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Area of Science:

  • Ophthalmology
  • Surgical Trends
  • Public Health

Background:

  • Limited data exists on surgical trends for glaucoma in Australia.
  • Glaucoma is a leading cause of irreversible blindness worldwide.

Purpose of the Study:

  • To analyze age- and gender-specific trends in glaucoma surgeries in Australia from 2001 to 2018.
  • To identify shifts in the surgical management of glaucoma.

Main Methods:

  • A nationwide study utilizing the Australian Institute of Health, Welfare and Ageing hospitalisation database.
  • Analysis of glaucoma surgeries performed in Australian public and private hospitals between 2001 and 2018.
  • Age- and gender-standardised trend analysis using negative binomial regression.

Main Results:

  • Trabeculectomy procedures decreased by 1.1% annually, with a more pronounced decline in individuals over 60.
  • Glaucoma drainage device (GDD) insertions increased by 16.3% annually, with greater increases observed in older age groups.
  • Significant age-related interactions were found for both trabeculectomy and GDD rates over time.

Conclusions:

  • There has been a significant shift in glaucoma surgical management in Australia.
  • The increasing use of GDD surgeries may reflect evolving clinical evidence and practice patterns.
  • These trends highlight the dynamic nature of surgical interventions for advanced glaucoma.