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Argon laser trabecular surgery in uncontrolled phakic open angle glaucoma

A L Schwartz, M E Whitten, B Bleiman

    Ophthalmology
    |March 1, 1981
    PubMed
    Summary
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    Argon laser trabecular surgery effectively lowers intraocular pressure in open-angle glaucoma patients. This treatment provides sustained pressure reduction and control for most patients, offering an alternative to traditional surgery.

    Area of Science:

    • Ophthalmology
    • Glaucoma Research
    • Laser Surgery

    Background:

    • Open-angle glaucoma (OAG) management often requires lowering intraocular pressure (IOP).
    • Standard filtering surgery carries risks and may not be suitable for all patients.

    Observation:

    • Thirty-five phakic eyes with uncontrolled OAG received 360-degree argon laser trabecular surgery.
    • Intraocular pressure was monitored, with untreated eyes serving as controls when feasible.

    Findings:

    • A statistically significant mean IOP reduction of 10.0 mm Hg was observed at four months (P < 0.001).
    • Sustained IOP control (<20 mm Hg) was achieved in 97% of eyes over 18 months.
    • Improved outflow facility was noted for six months post-treatment, indicating the procedure's mechanism.

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    Implications:

    • Argon laser trabecular surgery demonstrates significant efficacy in IOP reduction for OAG.
    • The procedure offers a potentially advantageous alternative to conventional filtering surgeries.
    • Localized peripheral anterior synechiae were the main complication but did not compromise treatment success.