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Related Concept Videos

Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

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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Glaucoma: Overview

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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Related Experiment Video

Updated: May 30, 2026

Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries
04:59

Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries

Published on: July 7, 2023

[Intelligent phaco--always necessary?].

M Zemba, B Cucu, G Furedi

    Oftalmologia (Bucharest, Romania : 1990)
    |July 22, 2011
    PubMed
    Summary
    This summary is machine-generated.

    For soft cataracts, using the Intracorneal Pressure (IP) system during phacoemulsification surgery may increase complications. Avoiding the IP system in these cases appears to yield better outcomes for cataract surgery.

    Related Experiment Videos

    Last Updated: May 30, 2026

    Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries
    04:59

    Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries

    Published on: July 7, 2023

    Area of Science:

    • Ophthalmology
    • Surgical Technology

    Context:

    • Cataract surgery techniques are evolving.
    • Phacoemulsification is a common method for cataract removal.
    • The use of Intracorneal Pressure (IP) systems during surgery is debated.

    Purpose:

    • To evaluate the necessity and impact of using an IP system during phacoemulsification for soft cataracts.
    • To compare surgical outcomes with and without the IP system in soft cataract cases.

    Summary:

    • A prospective study compared 40 eyes with soft cataracts undergoing phacoemulsification.
    • Twenty eyes used low torsional ultrasound power with the IP system, while 20 used higher power without it.
    • Outcomes measured included Central Macular Edema (CME) and corneal edema.

    Impact:

    • Phacoemulsification with the IP system showed higher average CME (3.6) and maximum CME (7.2) compared to without (2.4 and 4.3).
    • Four eyes using the IP system developed Descemet folds, whereas no corneal edema was observed in the other group.
    • Findings suggest avoiding the IP system in soft cataract surgery may reduce complications.