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Risk factors of myopic shift among primary school children in Beijing, China: A prospective study
Chia sẻ: ViWashington2711 ViWashington2711 | Ngày: | Loại File: PDF | Số trang:6
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Objective: To evaluate factors associated with myopic shift among primary school children. Methods: In a one-year prospective school-based study, 5052 children from ten schools were enrolled using a multi-stage random cluster approach. The baseline examination included non-cycloplegic auto-refractometry and questionnaire interview. Measurements were repeated at the follow-up.
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