nearsighted
Conditions
Interventions
Social control group:None
Sleep light environment group:None
Sponsors
Nanchang University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: A child in Nanchang city has normal eye alignment and binocular vision; has not received any prior correction; has no history of eye injuries; no obvious hereditary diseases; no noticeable physical developmental issues; can attend kindergarten and the like normally.
Exclusion criteria
Exclusion criteria: Congenital eye disease
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| average eye axis length;Bone age; | — |
Countries
China
Contacts
Public ContactWenqing Fang
Nanchang University
Outcome results
None listed