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Related Experiment Videos

One- and two-session laser trabeculoplasty. A randomized, prospective study.

A Heijl

    Acta Ophthalmologica
    |October 1, 1984
    PubMed
    Summary
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    Laser trabeculoplasty for glaucoma can be performed in one or two sessions. Both methods effectively reduce intraocular pressure, but a two-session approach may offer a safer treatment profile by potentially reducing pressure spikes.

    Area of Science:

    • Ophthalmology
    • Glaucoma Research
    • Laser Therapy

    Background:

    • Primary open-angle glaucoma and exfoliation glaucoma are leading causes of irreversible blindness.
    • Laser trabeculoplasty is a common surgical option for managing intraocular pressure (IOP) in glaucoma patients.

    Purpose of the Study:

    • To compare the efficacy and safety of single-session versus two-session laser trabeculoplasty in treating glaucoma.
    • To evaluate intraocular pressure reduction and the incidence of post-operative pressure spikes between the two treatment approaches.

    Main Methods:

    • A prospective study involving 77 eyes with primary open-angle or exfoliation glaucoma.
    • Patients were randomized into two groups: Group 1 received full 360-degree laser trabeculoplasty in one session; Group 2 received treatment divided into two 180-degree sessions.

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  • Intraocular pressure was monitored for 3 to 18 months post-treatment.

    • Main Results:

    • Both single-session and two-session laser trabeculoplasty achieved comparable IOP reduction.
    • Three cases of high post-operative transient pressure spikes occurred exclusively in the single-session group.
    • A slightly greater IOP reduction was observed in the single-session group one month post-treatment, though not statistically significant.

    Conclusions:

    • A two-session approach to laser trabeculoplasty may be a safer alternative to single-session treatment, potentially mitigating the risk of significant post-operative pressure spikes.
    • Both treatment modalities demonstrate similar efficacy in lowering intraocular pressure for glaucoma management.