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 type | Interventional |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 100 (estimated) |
| Sponsor | Tianjin Eye Hospital Academic / other |
| Locations | 1 site (Tianjin, Tianjin Municipality) |
| Status | Recruiting |
| Started | October 1, 2024 |
| Main results expected | December 31, 2025 |
| Study ends | December 31, 2025 |
| Registry record updated | November 19, 2024 |
| Trial ID | NCT06694051 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
- Study coordinator: Wang
- Email: jiamei3536@163.com
- Phone: +86 022 27313336
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.