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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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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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Updated: Sep 13, 2025

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Visual Field Progression Rates in Glaucoma: Frontloaded Versus Clinical Standard (Nonfrontloaded) SITA-Faster.

Jack Phu1, Henrietta Wang2, Katherine Masselos3

  • 1From the School of Optometry and Vision Science, (J.P., H.W., M.K.), University of New South Wales, Kensington, New South Wales, Australia; Centre for Eye Health, (J.P., H.W., K.M., A.A.), University of New South Wales, Kensington, New South Wales, Australia; Faculty of Medicine and Health, (J.P.), University of Sydney, Sydney, New South Wales, Australia; Concord Clinical School, (J.P.), Concord Repatriation General Hospital, Concord, New South Wales, Australia.

American Journal of Ophthalmology
|July 30, 2025
PubMed
Summary
This summary is machine-generated.

Frontloaded visual field (VF) testing, with two tests per eye per visit, detected over twice as many glaucoma progression cases compared to the standard single test. This approach enables earlier detection of glaucoma progression, facilitating timely intervention to prevent vision loss.

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Area of Science:

  • Ophthalmology and Visual Science
  • Glaucoma Research
  • Diagnostic Accuracy Studies

Background:

  • Glaucoma is a progressive optic neuropathy leading to irreversible vision loss.
  • Early detection of glaucoma progression is crucial for timely intervention and management.
  • Current standard practice involves single visual field (VF) tests per eye per visit.

Purpose of the Study:

  • To compare glaucoma progression detection rates using frontloaded versus standard visual field testing protocols.
  • To evaluate the impact of frontloaded (2 VF tests/eye/visit) 24-2 SITA-Faster testing on detecting glaucoma progression compared to standard (1 VF test/eye/visit) protocols in a clinical setting.

Main Methods:

  • Prospective accuracy analysis of visual field (VF) testing protocols.
  • Included 6571 reliable VF tests from 336 subjects.
  • Calculated mean deviation (MD) slopes to define progression (P < .05); compared frontloaded vs. standard approaches using McNemar test; analyzed time to detection and progression rates for mutually detected cases.

Main Results:

  • Frontloaded testing detected over 2.3 times more glaucoma progressors than the clinical standard.
  • Mutually detected cases showed earlier detection by an average of 0.5 years with frontloading (P = .0087).
  • No significant difference in the rate of progression was observed between the two methods for those who progressed.

Conclusions:

  • Frontloaded 24-2 SITA-Faster visual field testing significantly increases the detection of glaucoma progression compared to standard testing.
  • This empirical evidence supports frontloaded VF testing for earlier identification of glaucoma progression, particularly in early-stage disease.
  • Earlier detection through frontloaded testing allows for prompt intervention, potentially minimizing vision loss in glaucoma patients.