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

Tianjin Eye Hospital

Status: Enrolling

Conditions: Myopia; Refractive Errors

Study type: Observational

Funder types: Other

Identifiers

NCT05336799

Tianjin Myopia Study

Details and patient eligibility

About

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.

Full 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.

Enrollment: 500,000 estimated patients

Sex: All

Ages: 6 to 18 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• aged 6 to 18 years
• no ocular diseases and systemic diseases
• consent to undergo an eye examination

Exclusion criteria

• schoolchildren unwilling to participate