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Related Experiment Video

Updated: Feb 13, 2026

A Porcine Corneal Endothelial Organ Culture Model Using Split Corneal Buttons

A Porcine Corneal Endothelial Organ Culture Model Using Split Corneal Buttons

Published on: October 6, 2019

Small-aperture corneal inlay repositioning.

Phillip C Hoopes¹, Brian D Walker¹, Orry C Birdsong¹

¹From the HDR Research Center (Hoopes, Birdsong, Moshirfar), Hoopes Vision, Draper, and the John A. Moran Eye Center (Moshirfar), Department of Ophthalmology and Visual Sciences, University of Utah School of Medicine, Salt Lake City, Utah, and McGovern Medical School (Walker), University of Texas Health Science Center at Houston, Houston, Texas.

Journal of Cataract and Refractive Surgery

|March 6, 2018

Summary

A new technique repositions small-aperture corneal inlays (Kamra) to optimize presbyopic correction. This method ensures the best vision correction for reading while preserving clear distance sight.

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Area of Science:

Ophthalmology
Corneal surgery
Vision science

Background:

Presbyopia, or age-related farsightedness, affects near vision.
Small-aperture corneal inlays are a surgical option for presbyopia correction.
Accurate inlay placement is crucial for optimal visual outcomes.

Observation:

The Kamra inlay is a small-aperture device designed to improve near vision.
Inlay decentration can occur post-implantation, potentially compromising visual acuity.
A novel technique for repositioning the Kamra inlay has been developed.

Findings:

The described technique allows for precise recentering of the Kamra corneal inlay.
Repositioning aims to maximize the presbyopic correction provided by the inlay.
The procedure is designed to maintain or improve distance visual acuity.

Implications:

This technique offers a solution for suboptimal visual outcomes due to inlay decentration.
It may enhance patient satisfaction with corneal inlay surgery.
Further research could explore long-term efficacy and applicability to other inlay types.