# Refractive Error in Chinese Students

> **NCT05119543** · — · UNKNOWN · sponsor: **Tianjin Eye Hospital** · enrollment: 36452 (estimated)

## Conditions studied

- Myopia

## Interventions

- **OTHER:** outdoor time

## Key facts

- **NCT ID:** NCT05119543
- **Lead sponsor:** Tianjin Eye Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2018-01-01
- **Primary completion:** 2021-12-31
- **Final completion:** 2021-12-31
- **Target enrollment:** 36452 (ESTIMATED)
- **Last updated:** 2021-11-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05119543

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05119543, "Refractive Error in Chinese Students". Retrieved via AI Analytics 2026-07-17 from https://api.ai-analytics.org/clinical/NCT05119543. Licensed CC0.

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