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Cyclodestructive surgery for glaucoma: past, present, and future.

M B Shields

    Transactions of the American Ophthalmological Society
    |January 1, 1985
    PubMed
    Summary
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    Glaucoma treatment often requires reducing aqueous humor inflow via cyclodestructive procedures. Newer techniques like laser and ultrasound offer alternatives to traditional methods, aiming for more precise ciliary process destruction.

    Area of Science:

    • Ophthalmology
    • Surgical Innovation

    Background:

    • Glaucoma management often necessitates reducing aqueous humor production when outflow surgeries fail.
    • Historically, cyclodestructive procedures like diathermy, electrolysis, and beta irradiation were employed.
    • Current standard, cyclocryotherapy, has limitations; newer methods are under investigation.

    Purpose of the Study:

    • To review and compare various cyclodestructive procedures for glaucoma treatment.
    • To highlight the limitations of transcleral approaches and the advantages of newer techniques.

    Main Methods:

    • Review of existing cyclodestructive glaucoma surgeries.
    • Discussion of transcleral methods (diathermy, electrolysis, beta irradiation, cyclocryotherapy).
    • Evaluation of newer laser and ultrasonic transcleral techniques, transpupillary, and intraocular cyclophotocoagulation.

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    Main Results:

    • Transcleral approaches lack precision in ciliary process destruction and risk adjacent tissue damage.
    • Transpupillary cyclophotocoagulation offers improved precision but requires adequate visualization.
    • Intraocular cyclophotocoagulation via pars plana incision provides an alternative for aphakic eyes, with visualization options.

    Conclusions:

    • Minimally invasive glaucoma surgery techniques are evolving to improve outcomes.
    • Precision in targeting ciliary processes is key to effective and safe glaucoma treatment.
    • Intraocular and transpupillary cyclophotocoagulation represent advancements over traditional transcleral methods.