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