Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
36452 participants
OBSERVATIONAL
2018-01-01
2021-12-31
Brief Summary
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Detailed Description
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Conditions
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Keywords
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Study Design
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COHORT
RETROSPECTIVE
Study Groups
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Grade
The changes in myopia rate in 3 years were compared by generalized estimation equation in different grades
outdoor time
This cohort study aimed to assess the change of refractive status in Chinese school children under different outdoor time
Interventions
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outdoor time
This cohort study aimed to assess the change of refractive status in Chinese school children under different outdoor time
Eligibility Criteria
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Inclusion Criteria
* age from 6 to 18 years old
Exclusion Criteria
* ocular conditions
* congenital corneal diseases
* pterygium, keratoconus
* corneal degeneration or dystrophy
* media opacity, uveitis, glaucoma
* history of ocular surgery
* neurologic diseases
* retinal disease.
6 Years
18 Years
ALL
Yes
Sponsors
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Tianjin Eye Hospital
OTHER
Responsible Party
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Principal Investigators
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Yan Wang, director
Role: STUDY_CHAIR
Tianjin Eye Hospital
Locations
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Tianjin Eye Hospital
Tianjin, , China
Countries
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Central Contacts
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Facility Contacts
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Yan Wang, director
Role: primary
References
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Saw SM, Matsumura S, Hoang QV. Prevention and Management of Myopia and Myopic Pathology. Invest Ophthalmol Vis Sci. 2019 Feb 1;60(2):488-499. doi: 10.1167/iovs.18-25221.
Wang J, Li Y, Musch DC, Wei N, Qi X, Ding G, Li X, Li J, Song L, Zhang Y, Ning Y, Zeng X, Hua N, Li S, Qian X. Progression of Myopia in School-Aged Children After COVID-19 Home Confinement. JAMA Ophthalmol. 2021 Mar 1;139(3):293-300. doi: 10.1001/jamaophthalmol.2020.6239.
Wang W, Zhu L, Zheng S, Ji Y, Xiang Y, Lv B, Xiong L, Li Z, Yi S, Huang H, Zhang L, Liu F, Wan W, Hu K. Survey on the Progression of Myopia in Children and Adolescents in Chongqing During COVID-19 Pandemic. Front Public Health. 2021 Apr 28;9:646770. doi: 10.3389/fpubh.2021.646770. eCollection 2021.
Other Identifiers
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2021022
Identifier Type: -
Identifier Source: org_study_id