Status:
RECRUITING
Clinical Application Research of 5-Degree (0.05 D) Precision Optometry in Corneal Refractive Surgery
Lead Sponsor:
Affiliated Hospital of Nantong University
Conditions:
Refractive Surgery
Eligibility:
All Genders
18-40 years
Phase:
NA
Brief Summary
In recent years, the incidence of myopia has been high globally and is exhibiting a rapid upward trend, with projections estimating it will reach 49.8% by 2050. Corneal refractive surgery has become a...
Detailed Description
This study aims to optimize the surgical parameters of corneal refractive surgery (SMILE and FS-LASIK) by utilizing 0.05 D high-precision refraction achieved through a binocular wavefront aberrometer,...
Eligibility Criteria
Inclusion
- The diopter is relatively stable (the diopter increases within -0.50D per year for 2 consecutive years);
- Age: 18 to 40 years old;
- Optimal preoperative corrected visual acuity \>= 4.8;
- More than 2 weeks for soft contact lenses and more than 3 months for hard contact lenses before surgery
- Patients who are willing to perform SMILE surgery
Exclusion
- Patients with history of eye surgery and trauma;
- Patients with keratoconus tendency;
- systemic connective tissue diseases and autoimmune diseases;
- Patients with high blood pressure, diabetes and heart disease history;
- Other eye disease history such as uveitis, scleritis and other eye inflammation patients;
- Patients with scar constitution.
Key Trial Info
Start Date :
January 1 2025
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
October 1 2026
Estimated Enrollment :
600 Patients enrolled
Trial Details
Trial ID
NCT07146828
Start Date
January 1 2025
End Date
October 1 2026
Last Update
August 28 2025
Active Locations (1)
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1
Binocular Wavefront Optometry Machine
Nantong, Jiangsu, China, 226001