Prevention of myopic drift in children with premyopia based on peripheral retinal defocus characteristics

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2400088481

Enrollment

Unknown

Registered

2024-08-20

Start date

2024-09-01

Completion date

Unknown

Last updated

2024-08-26

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

Conditions

myopia

Interventions

+2.50D peripheral defocus design spectacle group:+2.50D peripheral defocus design spectacle

+4.50D peripheral defocus design spectacle group:+4.50D peripheral defocus design spectacle

Eligibility

Sex/Gender

All

Age

6 Years to 12 Years

Inclusion criteria

Inclusion criteria: (1) Age: 6-12 years old; (2) binocular SER: -0.50D < SE=+0.75D; (3) binocular astigmatism < 1.50D; (4) Both uncorrected or best corrected visual acuity =20/20; (5) did not use atropine, low energy red light and other myopia prevention and control intervention modalities.

Exclusion criteria

Exclusion criteria: (1) History of strabismus or amblyopia; (2) Suffering from eye diseases such as keratitis, conjunctivitis, acute ocular inflammation, and glaucoma; (3) History of eye surgery.

Design outcomes

Primary

Measure	Time frame
Axial length;Spherical equivalent refraction;	—

Secondary

Measure	Time frame
Wavefront aberration;Visual quality score;	—

Countries

China

Contacts

Public ContactYang Bi

West China hospital, Sichuan University

53587134@qq.com+86 136 8840 4467

Outcome results

None listed

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