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Study on Local Corneal Refractive Power Changes After SMILE

Comparative Study on Local Corneal Refractive Power Changes After SMILE with Different Optical Zones Based on Polynomial Fitting

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500100880
Enrollment
Unknown
Registered
2025-04-16
Start date
2025-04-16
Completion date
Unknown
Last updated
2025-04-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Refractive error

Interventions

Large Optical Zone Group:None
Small Optical Zone Group:None

Sponsors

Eye Hospital, Wenzhou Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Age >= 18 years; 2.Spherical equivalent not exceeding -9.00D, and astigmatism not exceeding -3.00D; 3.Refractive error progression of no more than 0.50D over the past two years; 4.Best-corrected visual acuity (BCVA) >= 4.8.

Exclusion criteria

Exclusion criteria: 1. Exclude patients with underlying ocular diseases; 2. Soft contact lenses for more than 2 weeks and rigid contact lenses for more than 4 weeks.

Design outcomes

Primary

MeasureTime frame
Local corneal refractive power;Subjective refraction;—

Countries

China

Contacts

Public ContactDongye Xu

Eye Hospital, Wenzhou Medical University

18321718626@163.com+86 571 88185666

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026