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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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Related Experiment Video

Updated: Jun 14, 2026

Iris Fixation via External Pentagram Suturing

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Published on: May 5, 2022

Lens Dislocation Following YAG Laser Peripheral Iridotomy.

Sacha P Moore, Michael Smith, Siobhan Rattigan

Ophthalmic Surgery, Lasers & Imaging : the Official Journal of the International Society for Imaging in the Eye

|March 27, 2010

Summary

Repeated laser peripheral iridotomy can rarely cause crystalline lens dislocation into the vitreous. Surgical intervention successfully restored vision, highlighting a potential risk of this common ophthalmic procedure.

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Area of Science:

Ophthalmology
Surgical Procedures
Complications of Medical Interventions

Background:

Laser peripheral iridotomy (LPI) is a standard treatment for angle-closure glaucoma.
Complications, though rare, necessitate thorough understanding and management strategies.

Purpose of the Study:

To report a unique case of crystalline lens dislocation following LPI.
To discuss the management and implications of this rare complication.

Main Methods:

A case report detailing a patient who experienced lens dislocation post-LPI.
Surgical management included pars plana vitrectomy, fragmatome lensectomy, and anterior chamber intraocular lens implantation.
A final surgical iridotomy was performed.

Main Results:

The patient achieved a best corrected visual acuity of 6/9 post-operatively.
Successful management of a rare complication of LPI was demonstrated.

Conclusions:

Multiple sessions of LPI may increase the risk of complete lens dislocation.
Prompt surgical intervention is crucial for managing this sight-threatening complication.