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Related Experiment Video

Updated: May 25, 2026

Iris Fixation via External Pentagram Suturing

Iris Fixation via External Pentagram Suturing

Published on: May 5, 2022

Small-incision insertion of artificial iris prostheses.

Will Ayliffe¹, Sylvia L Groth, William E Sponsel

¹Mayday University Hospital, Croydon, London, United Kingdom.

Journal of Cataract and Refractive Surgery

|February 11, 2012

Summary

Flexible iris prostheses offer a visually beneficial solution for patients with iris defects. This case series demonstrates successful implantation via microincision, improving vision in all participants.

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Published on: September 13, 2016

Area of Science:

Ophthalmology
Medical Devices
Surgical Innovation

Background:

Iris defects, resulting from congenital conditions, trauma, or uveitis, can compromise vision.
Traditional surgical interventions for iris defects may be complex or limited in efficacy.
A novel flexible iris prosthesis offers a potential solution for restoring visual function.

Observation:

A flexible iris prosthesis was implanted in four patients with sight-compromising iris defects.
The prosthesis was delivered via a clear corneal microincision as part of a combined procedure.
Implantation occurred concurrently with cataract removal or during glaucoma tube shunt placement in pseudophakic eyes.

Findings:

All four patients achieved a positive outcome with significant visual benefit.
The flexible posterior chamber iris implants were successfully placed using a microincisional approach.
The procedure was well-tolerated, with no reported complications in this series.

Implications:

Flexible iris implants represent a promising, minimally invasive option for managing iris defects.
Successful implantation via microincision suggests broader applicability and potential for improved patient outcomes.
Further research and patient selection are crucial for optimizing the use of these novel prostheses.