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NCT06694051
Application of Phototherapeutic Keratectomy Mode to Mark the Axis of Astigmatism
NA trial testing marking in Astigmatism in 100 participants. Currently enrolling.
31 December 2025
Quick facts
| Lead sponsor | Tianjin Eye Hospital |
|---|---|
| Phase | NA |
| Status | Recruiting now |
| Study type | INTERVENTIONAL |
| Allocation | non randomized |
| Design | parallel |
| Masking | none |
| Primary purpose | treatment |
| Enrollment | 100 |
| Start date | 1 October 2024 |
| Primary completion | 31 December 2025 |
| Estimated completion | 31 December 2025 |
| Sites | 1 location across China |
Drugs / interventions tested
- marking
Conditions studied
- Astigmatism — all drugs for Astigmatism →
Sponsor
Tianjin Eye Hospital
Who can join
18 and older, any sex, with Astigmatism. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
Corneal refractive surgery is an effective way to correct refractive error. Modern corneal refractive surgery for the correction of myopia or hyperopia can achieve or close to the expected goal, but to eliminate astigmatism is always one of the major problems of corneal refractive surgery. The key point in the correction of astigmatism is that as a vector parameter, astigmatism has both magnitude and direction. The angle error may be caused by the rotation of the patient's head position and the involuntary rotation of eyes. Phototherapeutic keratectomy can precisely cut the corneal tissue, and is often used in clinic to remove corneal scars or repair corneal surface morphology. In this study, the excimer laser therapeutic keratectomy mode was used to achieve accurate marking of the axis of astigmatism by setting the treatment laser parameters. With the help of the static cyclotorsion of the eye, the precise treatment of astigmatism could realize.
Publications & conference data
No peer-reviewed publications indexed yet for this trial.
Verify or expand the search:
- PubMed search for NCT06694051
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Other Tianjin Eye Hospital trials
Trials by the same sponsor.
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT06694051 (US National Library of Medicine, public domain)
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Tianjin Eye Hospital
- Last refreshed: 19 November 2024
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