Affiliation: | 1. Sekwa Eye Hospital, Beijing 100088, China;2. Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Key Laboratory of Beijing 0phthalmology and Visual Sciences, Beijing 100730, China;3. Epidemiology Unit, 5Department of Mathematics and Computer Science, Faculty of Science and Technology, Prince of Songkla University, Songkhla 90110, Thailand;4. Department of 0phthalmology, First Hospital of Tsinghua University, Beijing 100016, China |