Eye Institute of Xiamen University, Medical College of Xiamen University, Xiamen, Fujian 361102, China. Affiliated Eye Hospital of Wenzhou Medical Collage, Wenzhou, Zhejiang 325072, China. Beijing Institute of Ophthalmology, Department of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China. West China School of Medicine Sichuan University, Chengdu, Sichuan 610041, China. Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, China. Huazhong University of Science and Technology, Wuhan, Hubei 430022, China. Eye Institute of Xiamen University, Medical College of Xiamen University, Xiamen, Fujian 361102, China. Email: zuguoliu@xmu.edu.cn. Shandong Eye Institute, 5 Yanerdao Road, Qingdao, Shandong 266071, China. Email: lixinxie@public.qd.sd.cn.