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Related Concept Videos

Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

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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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Open Angle Glaucoma: Treatment01:27

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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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Glaucoma: Overview01:25

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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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Updated: Mar 3, 2026

Ultrasound Cyclo Plasty in Eyes with Glaucoma
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Deep Sclerectomy.

Sylvain Roy, André Mermoud

    Developments in Ophthalmology
    |April 27, 2017
    PubMed
    Summary
    This summary is machine-generated.

    Nonpenetrating deep sclerectomy offers a safer alternative to traditional trabeculectomy for glaucoma management. This advanced filtering surgery effectively lowers intraocular pressure with fewer serious complications.

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    Area of Science:

    • Ophthalmology
    • Surgical Innovation
    • Glaucoma Treatment

    Background:

    • Traditional trabeculectomy, a penetrating glaucoma surgery, carries risks of serious complications like hypotony and endophthalmitis.
    • Nonpenetrating surgical techniques aim to reduce these risks while maintaining efficacy in lowering intraocular pressure (IOP).

    Purpose of the Study:

    • To evaluate the long-term efficacy and safety of nonpenetrating deep sclerectomy for glaucoma management.
    • To compare the complication profile of deep sclerectomy with penetrating glaucoma surgeries.

    Main Methods:

    • Deep sclerectomy involves creating new aqueous humor outflow pathways by dissecting juxtacanalicular meshwork and Schlemm's canal inner wall.
    • A thin filtering membrane is preserved to prevent overfiltration and ensure stable postoperative IOP.
    • The surgical procedure includes creating superficial and deep scleral flaps, removing Schlemm's canal roof, inserting a space maintainer, and closing the conjunctiva.

    Main Results:

    • After 10 years, the mean intraocular pressure (IOP) was 12.2 ± 4.7 mmHg.
    • The overall success rate for IOP reduction was 77.6%.
    • The procedure was associated with a low incidence of serious postoperative complications.

    Conclusions:

    • Nonpenetrating deep sclerectomy is a safe and effective glaucoma surgery with good long-term IOP control.
    • This technique offers a favorable alternative to penetrating surgeries, particularly for patients at risk of severe complications.