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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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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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Related Experiment Video

Updated: Jun 3, 2026

Correction of Presbyopia by Monocular Bi-Aspheric Ablation Profile
05:46

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Published on: September 20, 2024

[How to manage the narrow pupil?].

P Böhm1

  • 1Privátne Ocné centrum, Bratislava. peter@bohm.sk

Ceska a Slovenska Oftalmologie : Casopis Ceske Oftalmologicke Spolecnosti a Slovenske Oftalmologicke Spolecnosti
|March 15, 2011
PubMed
Summary

A novel irrigating iris retractor aids cataract surgery in small pupils. This device safely visualizes and cleans residual lens material, improving surgical outcomes.

Area of Science:

  • Ophthalmology
  • Surgical Instrumentation

Context:

  • Cataract surgery often presents challenges with small pupils.
  • Visualization and removal of cortical remnants are critical steps.

Purpose:

  • To introduce a new irrigating iris retractor designed for small pupil cataract surgery.
  • To facilitate safe peripheral pupil retraction and visualization of the equatorial lens capsule.

Summary:

  • The described retractor is a modified irrigating handpiece with an integrated iris hook.
  • It allows for peripheral pupil retraction, enabling clear visualization of cortical remnants.
  • The device facilitates safe cleaning of the lens capsule with an accompanying aspirating handpiece.

Impact:

  • Enhances surgical safety and efficiency in small pupil cataract cases.

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  • Potentially reduces the risk of intraoperative complications.
  • Improves the ability to perform complete cortical cleanup.