Protocol for a cluster randomized trial to evaluate the effectiveness of intervention on student common disease (myopia): the ES-SCI study intervention section

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100051064

Enrollment

Unknown

Registered

2021-09-11

Start date

2021-09-24

Completion date

Unknown

Last updated

2022-05-16

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

Conditions

myopia

Interventions

Group 1:locked the door to increase the time for outdoor activities

group 2:Indoor lighting of light source equipment transformation, desks and chairs adjustment

group 3:Low-Intensity Laser Therapy for Slowing the progression of Myopia

group 4:wearable environment monitoring equipment

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. No serious other eye diseases; 2. Chinese Han nationality; 3. The ability of parents/guardians to provide informed consent; 4. Aged between 7.5 and 9.5 years old. An additional rule was added to the inclusion criteria for students receiving low-level laser therapy to slow myopia progression: myopia range from -1.50D to -5.00D.

Exclusion criteria

Exclusion criteria: No.

Design outcomes

Primary

Measure	Time frame
Refractive error;Uncorrected visual acuity;Axial length;	—

Secondary

Measure	Time frame
Biological samples;Overweight and obesity;Elevated blood pressure;Cost-effectiveness;	—

Countries

China

Contacts

Public ContactZhang Fengyun

Jiangsu Provincial Center for Disease Control and Prevention

434908934@qq.com+86 25 83759908

Outcome results

None listed

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