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Related Experiment Video

Updated: May 31, 2026

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents

Published on: February 15, 2022

Traumatic cataract associated with mini glaucoma shunt.

Jennifer Y Li¹, Michele C Lim, Mark J Mannis

¹UC Davis Health System Eye Center, University of California at Davis, Sacramento, California, USA.

Journal of Cataract and Refractive Surgery

|June 25, 2011

Summary

A 30-year-old woman with aniridia experienced a traumatic cataract after Ex-PRESS mini glaucoma shunt surgery. This case highlights a potential, previously unreported complication of this glaucoma device.

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Last Updated: May 31, 2026

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents

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Published on: February 15, 2022

Modeling Cataract Surgery in Mice

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Published on: December 1, 2023

Area of Science:

Ophthalmology
Glaucoma Surgery
Cataract Development

Background:

Aniridia is a rare genetic disorder affecting iris development.
Glaucoma shunts, like the Ex-PRESS mini glaucoma shunt, are used to manage intraocular pressure.
Cataract formation is a known risk following ocular surgery.

Observation:

A 30-year-old female patient with a history of aniridia presented with vision changes.
The patient had recently undergone implantation of an Ex-PRESS mini glaucoma shunt.
Ocular examination revealed a traumatic cataract.

Findings:

The development of a traumatic cataract was directly associated with the Ex-PRESS mini glaucoma shunt placement.
This represents a potential complication of Ex-PRESS mini glaucoma shunt surgery.
No prior reports document this specific complication.

Implications:

Ophthalmologists should be aware of the risk of traumatic cataract formation after Ex-PRESS mini glaucoma shunt implantation in patients with aniridia.
Further investigation may be warranted to understand the mechanism of this complication.
This finding may influence surgical decision-making and patient counseling for glaucoma management in aniridia patients.