Myopia
Conditions
Interventions
Myopia group:observe
Sponsors
Tianjin Eye Hospital Optometry Center
Eligibility
Sex/Gender
All
Age
14 Years to 18 Years
Inclusion criteria
Inclusion criteria: The myopia rate of the school is close to that of two high schools in Heping District
Exclusion criteria
Exclusion criteria: None
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| questionnaire; | — |
Countries
China
Contacts
Public ContactJing Wang
Tianjin Eye Hospital Optometry Center
Outcome results
None listed