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Cyclocryotherapy in neovascular glaucoma.

T Krupin, K B Mitchell, B Becker

    American Journal of Ophthalmology
    |July 1, 1978
    PubMed
    Summary
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    Cyclocryotherapy for neovascular glaucoma shows concerning long-term effects. Many patients experienced vision loss, elevated intraocular pressure, or phthisis bulbi, indicating limited efficacy and potential complications.

    Area of Science:

    • Ophthalmology
    • Glaucoma Research
    • Cryotherapy Applications

    Background:

    • Neovascular glaucoma is a severe condition often resistant to conventional treatments.
    • Cyclocryotherapy is utilized as a treatment option for refractory neovascular glaucoma.
    • Long-term outcomes of cyclocryotherapy in neovascular glaucoma require further investigation.

    Purpose of the Study:

    • To evaluate the long-term efficacy and safety of cyclocryotherapy in patients with neovascular glaucoma.
    • To assess the incidence of complications and vision outcomes following cyclocryotherapy.

    Main Methods:

    • A retrospective follow-up study was conducted.
    • Data were collected from 50 eyes of 46 patients diagnosed with neovascular glaucoma.
    • Follow-up duration averaged 24.9 months.

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    Main Results:

    • 32% of eyes had intraocular pressure > 26 mm Hg; 34% had intraocular pressure <= 25 mm Hg.
    • 34% of eyes developed phthisis bulbi, and 3 eyes required enucleation.
    • 58.5% of eyes with initial vision lost light perception; 4 eyes experienced anterior segment necrosis.

    Conclusions:

    • Cyclocryotherapy for neovascular glaucoma is associated with significant long-term complications, including vision loss and phthisis bulbi.
    • The treatment demonstrates limited success in controlling intraocular pressure long-term.
    • Further research into alternative or adjunctive therapies for neovascular glaucoma is warranted.