childhood eye disease, myopia,strabismus,amblyopia
Conditions
Interventions
cohort study:NA
Sponsors
Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University
Eligibility
Sex/Gender
All
Age
3 Years to 8 Years
Inclusion criteria
Inclusion criteria: 1. Preschool chidren in Tongzhou District, Beijing; 2. Those who have lived in Beijing for more than half a year and will live there for a long time; 3. Voluntary participation in this study, with informed consent obtained from their guardians.
Exclusion criteria
Exclusion criteria: 1. Suffering from mental illness and unable to cooperate with the examinations; 2. Contradict or allergy to cycloplegia; 3. Unable to participate in the study voluntarily or with low motivation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| visual accuity;ocular biometry;cycloplegic autorefraction;Sbjective refraction;autorefraction without cycloplegia; | — |
Secondary
| Measure | Time frame |
|---|---|
| identification of amblyopia and strabismus;height;weight;accommodative parameters;retinal photography; | — |
Countries
China
Contacts
Public ContactJing Fu
Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University; Beijing Ophthalmology & Visual Sciences Key Laboratory
Outcome results
None listed