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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: Nov 30, 2025

Author Spotlight: Enhancing Visual Outcomes in Cataract Surgery: A Novel Technique to Prevent Posterior Capsular Opacification Through IOL Rotation
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Handling regular and irregular astigmatism during cataract surgery.

David R Hardten1,2, Adeline G Hardten3

  • 1Minnesota Eye Consultants, Minnetonka.

Current Opinion in Ophthalmology
|November 16, 2020
PubMed
Summary
This summary is machine-generated.

Managing astigmatism during cataract surgery is becoming more achievable with advanced technology. This review highlights effective preoperative planning and surgical techniques for regular and irregular astigmatism, leading to excellent uncorrected vision.

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Area of Science:

  • Ophthalmology
  • Surgical Technology

Background:

  • Cataract surgery presents challenges in managing regular and irregular astigmatism.
  • Debate continues regarding the most effective astigmatism correction strategies for individual patients.

Purpose of the Study:

  • To review recent literature on effective preoperative planning and intraoperative management of astigmatism during cataract surgery.
  • To discuss strategies for managing postoperative complications related to astigmatism.

Main Methods:

  • Review of recent scientific literature and studies.
  • Analysis of technological advancements in astigmatism management.
  • Exploration of optimal approaches for unique patient situations.

Main Results:

  • Technological advancements offer new solutions for astigmatism management.
  • Effective options include toric intraocular lenses (IOLs), light-adjustable lenses, pinhole IOLs, and laser technologies.
  • Phototherapeutic keratectomy is also an effective solution.

Conclusions:

  • Correcting astigmatism during cataract surgery is achievable for most patients with current technology.
  • In-depth preoperative planning and patient-specific approaches are crucial for achieving excellent uncorrected vision.