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The Efficacy and Safety of Grid Dimension Multi-region Small Optical Zone Spectacle Lenses in Myopia Control

The Efficacy and Safety of Grid Dimension Multi-region Small Optical Zone Spectacle Lenses in Myopia Control

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500109223
Enrollment
Unknown
Registered
2025-09-15
Start date
2025-09-15
Completion date
Unknown
Last updated
2025-09-22

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

Conditions

Myopia

Interventions

Multi-zone defocused small optical zone group in the grid:Myopia defocus spectacle lenses
Multi-zone defocused group of grids:Myopia defocus spectacle lenses

Sponsors

Eye Hospital, Wenzhou Medical University, Hangzhou
Lead Sponsor

Eligibility

Sex/Gender
All
Age
6 Years to 13 Years

Inclusion criteria

Inclusion criteria: 1.Age: 6 to 13 years old 2. Computerized refraction equivalent spherical diopter for binocular ciliary muscle palsy: -0.75D to -5.00D; Astigmatism of both eyes =1.50D; Anisometropia =1.0.

Exclusion criteria

Exclusion criteria: 1. Has a history of eye surgery or trauma; There are other eye diseases such as strabismus and glaucoma (except for refractive errors); Has a history of systemic diseases throughout the body; 2. Previously used drugs and prevention measures related to myopia control (such as low-concentration atropine eye drops, myopia defocus lenses, orthokeratology lenses, etc.); 3. Those with poor cooperation or substandard image quality collected.

Design outcomes

Primary

MeasureTime frame
Spherical equivalent refraction;Axial length;

Countries

China

Contacts

Public ContactJunfeng Wang

Eye Hospital, Wenzhou Medical University, Hangzhou

451420699@qq.com+86 137 3587 1310

Outcome results

None listed

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