New Add-On lens aims to sharpen vision after complex eye surgeries

NCT ID NCT07452042

Recruiting now Disease control Sponsor: Medical University of Vienna Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a toric add-on lens placed in the eye to correct high astigmatism in people who have already had a corneal transplant and cataract surgery. The goal is to reduce blurry vision from astigmatism without removing the original lens. About 40 participants will be followed for up to 7 months to see if the lens stays stable and improves eyesight.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: toric add-on intraocular lens (implantable lens)
What this could lead to: If successful, this could offer a safe and effective way to correct high astigmatism in people who have had corneal transplant and cataract surgery, potentially improving their vision without additional major surgery.
What could go wrong: This is a small, early-stage study with only 40 participants, so results may not apply to everyone. The lens might rotate or not reduce astigmatism enough, and there are standard surgical risks like infection or inflammation.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

cataract

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CATARACT AND IOL SURGERY KERATOPLASTY TORIC INTRAOCULAR LENS STABILITY

Contacts and locations

Locations

Medical University of Vienna, Department of Ophthalmology and Optometry
RECRUITING

Vienna, State of Vienna, 1090, Austria

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