Eye muscle measurements may flag risky cataract surgeries

NCT ID NCT07517094

Completed Knowledge-focused Sponsor: University Hospital Olomouc Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at 30 men taking alpha-blocker drugs for urinary symptoms who were scheduled for cataract surgery. Researchers used a special eye scan to measure the thickness of iris muscles and pupil size. The goal was to see if these measurements could predict intraoperative floppy iris syndrome, a complication that can make cataract surgery more difficult.

What this could mean

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

What this could lead to: If successful, this could help surgeons identify patients at higher risk for floppy iris syndrome before cataract surgery, allowing better preparation.
What could go wrong: This is a small, completed observational study with only 30 participants. The findings may not apply to all patients or reliably predict complications in practice.

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.

benign prostatic hyperplasia cataract intraoperative floppy iris syndrome Lower Urinary Tract Symptoms senile cataract

As listed by the trial registrant

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

ADRENERGIC RECEPTOR ANTAGONIST ADVERSE REACTION AGE-RELATED CATARACT CATARACT INTRAOPERATIVE FLOPPY IRIS SYNDROME

Contacts and locations

Locations

Department of Ophthalmology, University Hospital Olomouc, Olomouc

Olomouc, 77900, Czechia

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