Trials / Unknown
UnknownNCT02980445
Time Outdoors as an Intervention for Myopia in Children
Time Outdoors as an Intervention for Myopia in Children--School-based Randomized Controlled Study
- Status
- Unknown
- Phase
- N/A
- Study type
- Interventional
- Enrollment
- 7,200 (estimated)
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center · Academic / Other
- Sex
- All
- Age
- 6 Years – 9 Years
- Healthy volunteers
- Not accepted
Summary
The purpose of this study is to determine whether improved outdoor time has an effect on the onset and progression of myopia in children.
Detailed description
1. To evaluate the effect of increased time outdoors on the incidence of myopia in non-myopic children; 2. To evaluate the effect of increased time outdoors on the progression of myopia in myopic children; 3. To explore if there is dose-response effect of time outdoors on the incidence and progression of myopia.
Conditions
Interventions
| Type | Name | Description |
|---|---|---|
| BEHAVIORAL | Outdoor activity 1 | 40-minute outdoor activity |
| BEHAVIORAL | Outdoor activity 2 | Dose 1 plus an additional 40-minute outdoor activities during recesses |
Timeline
- Start date
- 2016-11-01
- Primary completion
- 2018-11-01
- Completion
- 2019-05-01
- First posted
- 2016-12-02
- Last updated
- 2016-12-02
Source: ClinicalTrials.gov record NCT02980445. Inclusion in this directory is not an endorsement.