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Clinical Study of SMILE 4.0-VISULYZE in Correcting Refractive Errors

RecruitingNAAges 18 Years - 40 YearsAllAffiliated Hospital of Nantong University
NCT06982807 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

The aim of this study is to further optimize the surgical input parameters for patients undergoing Small Incision Lenticule Extraction (SMILE) using the regression model established by the SMILE 4.0-VISULYZE system, thereby achieving satisfactory postoperative refractive outcomes. In this study, patients scheduled for SMILE surgery at the investigators' hospital will be divided into two groups: a conventional group, where the input parameters are adjusted based on historical experience according to the patient's refractive error, and a 4.0-VISULYZE group, where the input parameters are optimized using the SMILE 4.0-VISULYZE system. The investigators will compare the postoperative outcomes between the two groups, including uncorrected visual acuity (UCVA), best-corrected visual acuity (BCVA), spherical power, cylindrical power, spherical equivalent (SE), and the proportions of patients

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📋 Eligibility rules (as published)
Inclusion Criteria: 1. The diopter is relatively stable (the diopter increases within -0.50D per year for 2 consecutive years); 2. Age: 18 to 40 years old; 3. Optimal preoperative corrected visual acuity ≥4.8; 4. More than 2 weeks for soft contact lenses and more than 3 months for hard contact lenses before surgery 5. Patients who are willing to perform SMILE surgery Exclusion Criteria: 1. Patients with history of eye surgery and trauma; 2. Patients with keratoconus tendency; 3. systemic connective tissue diseases and autoimmune diseases; 4. Patients with high blood pressure, diabetes and heart disease history; 5. Other eye disease history such as uveitis, scleritis and other eye inflammation patients; 6. Patients with scar constitution.
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What it tests

  • Group 4.0-VISULYZE
  • traditional group
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Where

2 sites
The Affiliated Hospital of Nantong University
Nantong, China
The Affiliated Hospital of Nantong University
Nantong, China
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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