Affiliation: | 1.Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China;2.Department of Ophthalmology, Hospital of Chengdu Office of People''s Government of Tibetan Autonomous Region, Chengdu 610041, Sichuan Province, China;3.Department of Ophthalmology, the Third People''s Hospital of Chengdu, Chengdu 610031, Sichuan Province, China |