·Clinical Research· Distribution characteristics of choroidal thickness in normal population and the diagnostic cut–off value study for pachychoroid Zhang Xinyuan1&, Qiu Bingjie1, Wang Yanhong2, Li Zhiqing3, Zeng Yiyun1, Chen Xiaosi1 1Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Key Laboratory of Institute of Ophthalmology and Visual Sciences, Beijing 100730, China; 2Department of […]