Outdoor activity and myopia progression in 4-year follow-up of Chinese primary school children: The Beijing Children Eye Study

• Yin Guo,

  Affiliations Beijing Institute of Ophthalmology, Beijing Key Laboratory of Ophthalmology and Visual Sciences, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China, Tongren Eye Care Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China

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• Li Juan Liu,

  Affiliation Beijing Institute of Ophthalmology, Beijing Key Laboratory of Ophthalmology and Visual Sciences, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China

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• Ping Tang,

  Affiliation Tongren Eye Care Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China

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• Yan Yun Lv,

  Affiliation Tongren Eye Care Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China

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• Yi Feng,

  Affiliation Tongren Eye Care Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China

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• Liang Xu ,

  * E-mail: xlbio1@163.com

  Affiliation Beijing Institute of Ophthalmology, Beijing Key Laboratory of Ophthalmology and Visual Sciences, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China

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• Jost B. Jonas

  Affiliations Beijing Institute of Ophthalmology, Beijing Key Laboratory of Ophthalmology and Visual Sciences, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China, Department of Ophthalmology, Medical Faculty Mannheim of the Ruprecht-Karls-University Heidelberg, Mannheim, Germany

  http://orcid.org/0000-0003-2972-5227

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