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Related Concept Videos

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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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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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Related Experiment Video

Updated: May 2, 2026

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
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[Long-term outcomes at not-penetrating glaucoma surgery].

P Strnad, J Svačinová, E Vlková

    Ceska a Slovenska Oftalmologie : Casopis Ceske Oftalmologicke Spolecnosti a Slovenske Oftalmologicke Spolecnosti
    |March 5, 2014
    PubMed
    Summary

    Deep sclerectomy effectively lowers intraocular pressure (IOP) in glaucoma patients. The T-flux implant demonstrated superior long-term IOP reduction and efficacy compared to other methods.

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    Area of Science:

    • Ophthalmology
    • Glaucoma Surgery
    • Surgical Implants

    Background:

    • Glaucoma management requires effective intraocular pressure (IOP) reduction.
    • Non-penetrating deep sclerectomy is a surgical option for glaucoma.
    • Evaluating long-term outcomes of different implants in deep sclerectomy is crucial.

    Purpose of the Study:

    • To compare the long-term efficacy and safety of non-penetrating deep sclerectomy with different implant types.
    • To assess intraocular pressure (IOP) control and medication requirements post-surgery.
    • To determine the best implant for enhancing deep sclerectomy outcomes.

    Main Methods:

    • A comparative study involving 3 groups: deep sclerectomy without implant (DS), deep sclerectomy with Staar implant (DS+STAAR), and deep sclerectomy with T-flux implant (DS+T).
    • Patients underwent non-penetrating deep sclerectomy.
    • Postoperative evaluation included intraocular pressure (IOP), medication use, and success rates over extended follow-up periods.

    Main Results:

    • All groups showed initial IOP reduction, with the T-flux group achieving significantly lower IOP at 96 and 132 months (14 mmHg and 15 mmHg, respectively).
    • The T-flux group had the highest percentage of patients completely off medication at 120 months (42.9%).
    • Qualified success rates at 96 months were 87.5% for DS, 89.5% for DS+STAAR, and 100% for DS+T.

    Conclusions:

    • Non-penetrating deep sclerectomy is an effective surgical technique for IOP reduction in glaucoma.
    • The T-flux implant appears to offer superior long-term IOP control and reduced medication dependency compared to no implant or the Staar implant.