# Study of the Intervention Effect of Outdoor Activity Period Patterns in Promoting Myopia Among Preschool Children

> **NCT06607640** · NA · NOT_YET_RECRUITING · sponsor: **Fangbiao Tao** · enrollment: 210 (estimated)

## Conditions studied

- Axial Length
- Myopia

## Interventions

- **BEHAVIORAL:** Increase outdoor activity time during specific time periods

## Key facts

- **NCT ID:** NCT06607640
- **Lead sponsor:** Fangbiao Tao
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2024-09-21
- **Primary completion:** 2025-09-21
- **Final completion:** 2025-12-21
- **Target enrollment:** 210 (ESTIMATED)
- **Last updated:** 2024-09-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06607640

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06607640, "Study of the Intervention Effect of Outdoor Activity Period Patterns in Promoting Myopia Among Preschool Children". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT06607640. Licensed CC0.

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