This prospective, school-based cohort study aims to enroll approximately 15,000 primary school students from multiple districts in Shanghai, China and to observe the outcomes on myopia prevention and control in children with varying refractive status (including sufficient hyperopia reserve, relative insufficiency in hyperopia reserve, pre-myopia and myopia) who are exposed to a school-based categorized and integrated interventions strategy in real-world settings. The primary objective of this study is to observe the change in the incidence and prevalence of myopia as well as the the progression of myopia among primary school students population under a school-based interventions, including increasing outdoor activities and wearing special designed optical lenses. The second objective is to identify factors influencing the outcomes and assess the compliance of different intervention methods. Additionally, a cost-effectiveness analysis will be conducted to assess the implementation process, providing technical solutions and operational models for wider application.
Study Type
OBSERVATIONAL
Enrollment
15,000
Shanghai Eye Disease Prevention and Treatment Center
Shanghai, Shanghai Municipality, China
Myopia incidence
Myopia incidence
Time frame: Assessed at 12 months, 24 months, and 36 months post-baseline.
Myopia progression
Myopia progression in myopic participants
Time frame: Assessed at 12 months, 24 months, and 36 months post-baseline.
Myopic shift
Change of spherical equivalence and axial length
Time frame: Assessed at 12 months, 24 months, and 36 months post-baseline.
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