Effect of Outdoor Scene Classroom on myopia prevention and control in Chinese children

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2500111541

Enrollment

Unknown

Registered

2025-11-02

Start date

2026-02-01

Completion date

Unknown

Last updated

2025-11-11

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

Conditions

Myopia

Interventions

Outdoor Scene Classroom group:The environment is arranged as a natural classroom.

Traditional Classroom group:Traditional Classroom

Eligibility

Sex/Gender

All

Age

4 Years to 12 Years

Inclusion criteria

Inclusion criteria: 1. Students and their parents are willing to participate 2. 1-2 grade enrolled primary school students

Exclusion criteria

Exclusion criteria: 1. Past medical histroy of systemic diseases 2. Past medical histroy of ocular diseases or eye surgeries 3. Other situations in which the investigators found it inappropriate to participate in the study

Design outcomes

Primary

Measure	Time frame
Spherical Equivalent;	—

Secondary

Measure	Time frame
Axial length;	—

Countries

China

Contacts

Public ContactWeizhong Lan

Aier Institution of optometry and vision science

lanweizhong@aierchina.com+86 137 2545 8845

Outcome results

None listed

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