Clinical trial Recruiting at 1 site Interventional Ages 18 and up

Using laser treatment to accurately mark astigmatism direction

Official title: Application of Phototherapeutic Keratectomy Mode to Mark the Axis of Astigmatism

Run by Tianjin Eye Hospital · NCT06694051 · Data updated 2026-11-12

This study is testing a new laser treatment to see if it can help improve the accuracy of correcting astigmatism during eye surgery.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment100 (estimated)
SponsorTianjin Eye Hospital
Academic / other
Locations1 site (Tianjin, Tianjin Municipality)
StatusRecruiting
StartedOctober 1, 2024
Main results expectedDecember 31, 2025
Study endsDecember 31, 2025
Registry record updatedNovember 19, 2024
Trial IDNCT06694051 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are adults aged 18 and older with astigmatism who do not have any ocular diseases.

Probably not a fit

Patients with existing ocular diseases may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study focuses on improving corneal refractive surgery outcomes by using phototherapeutic keratectomy to accurately mark the axis of astigmatism. The approach involves utilizing excimer laser technology to precisely cut corneal tissue, addressing the common challenge of astigmatism correction in refractive surgery. By accounting for factors such as head position and eye rotation, the study aims to enhance the accuracy of astigmatism treatment. Participants will undergo a procedure that aims to improve the precision of their astigmatism correction.

Why it matters

Potential benefit: If successful, this approach could lead to more effective correction of astigmatism, improving visual outcomes for patients.

How similar studies have gone: While the specific application of this technique may be novel, similar approaches in corneal refractive surgery have shown promise in improving outcomes.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* at least 18 years old

Exclusion Criteria:

* ocular disease

Where it's running

  • Tianjin Eye Hospital
    Tianjin, Tianjin Municipality, China
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.