Digital Eye-Tracking vs. Hand-Drawn lines: which marks toric lenses more accurately?

NCT ID NCT07710963

Not yet recruiting Knowledge-focused Sponsor: Thammasat University Source: ClinicalTrials.gov ↗

First seen Jul 17, 2026 · Last updated Jul 17, 2026

Summary

This study compares two methods for aligning toric intraocular lenses during cataract surgery: a digital image-guided navigation system (Verion) and the traditional manual corneal marking technique. Researchers measure how closely the manual mark matches the digital reference in 100 eyes. The goal is to see which approach provides more consistent alignment, which could affect visual outcomes after surgery.

What this could mean

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

Active substance: Verion Digital Marking system
What this could lead to: If digital navigation proves more accurate, it could improve the precision of toric lens placement and reduce the need for follow-up corrections after cataract surgery.
What could go wrong: This is a small, single-center study comparing a digital system to a standard manual technique. The results may not apply to all surgeons or settings, and the clinical benefit of any improved accuracy remains to be proven.

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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 SURGERIES

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