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A 3-year Cross-sectional Assessment of the Tianjin Child and Adolescent Large-scale Eye Study

Tianjin Eye Hospital · 2019
ClinicalTrials.gov · Datasets · License: Public Domain · 2019
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myopia
This is a school-based, cross-sectional study to assess the incidence and prevalence, risk factors of myopia among schoolchildren in both eye-use environment, eye-use habits, lifestyle, and family and subjective factors before and during COVID-19. Large population and representative study subjects. Environmental exposure and daily within and out-of-school activities will be evaluated in a random subgroup.
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