NCT05336799

Prevalence and Environmental Factors for Myopia Among Chinese School-aged Children and Adolescent in Tianjin

• Status: Unknown
• Phase: —
• Study type: Observational
• Enrollment: 500,000 (estimated)
• Sponsor: Tianjin Eye Hospital · Academic / Other
• Sex: All
• Age: 6 Years – 18 Years
• Healthy volunteers: Accepted

Summary

The high prevalence of myopia has become a global public health problem. The study amied to investigate the prevalence and progression of myopia associated with social environmental factors in Tianjin, a Chinese megacity in north China.

Detailed description

The high prevalence of myopia has become a global public health problem, especially in East and South Asian countries. It's still not clear for the prevalence and progression of myopia associated with social environmental factors. Thus, the investigators will conducted a long-term observational study to the effect of the socioeconomics, medical resources and school-related environmental parameters and others on the prevalence and progression of myopia among Chinese school-aged children and adolescent.

Conditions

• Myopia
• Refractive Errors

Timeline

• Start date: 2021-03-01
• Primary completion: 2022-12-01
• Completion: 2025-12-31
• First posted: 2022-04-20
• Last updated: 2022-11-29

Locations

1 site across 1 country: China