Effect of peripheral defocus RGP on choroid hemodynamics and related factors of prevention and control effect of myopia

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR1900027215

Enrollment

Unknown

Registered

2019-11-05

Start date

2019-11-10

Completion date

Unknown

Last updated

2019-11-11

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

Conditions

high myopia

Interventions

Case series:peripheral defocus RGP

Eligibility

Sex/Gender

All

Age

8 Years to 25 Years

Inclusion criteria

Inclusion criteria: 1. High myopia juveniles who wear peripheral defocus RGP; 2. spherical-1.00DS~-6.00DS, astigmatism: less than -1.50DC, best corrected vision 1.0 or above; 3. All eyes had a clear cornea, with no history of ocular disease, trauma or surgery. All lenses were centered on the cornea with good mobility and no obvious deviation. No inflammation occurred during the treatment period.

Exclusion criteria

Exclusion criteria: 1. History of eye surgery, trauma, other corneal history, family history of glaucoma, etc.; 2. Patients with rigid corneal contact lens contraindications.

Design outcomes

Primary

Measure	Time frame
eye axial length;visual function;peripheral defocus;visual quality;Choroid hemodynamic index;	—

Countries

China

Contacts

Public ContactXianli Du

Shandong Eye Institute

lilibestever@126.com+86 15192552255

Outcome results

None listed

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