ZHANG Xiongze, Doctor of Ophthalmology, Associate Chief Physician. Specializing in ocular fundus imaging. He wrote the expert consensus on fluorescein fundus angiography, proposed the international staging of punctate inner choroidopathy, and named a new disease "age-related retentional retinal pigment epithelial detachment", investigated the exact location and progression pattern of persistent placoid maculopathy. He has presided 2 projects of the National Natural Science Foundation of China, and published more than 60 SCI papers in Ophthalmology, JAMA Ophthalmology, Ophthalmology Retina, IOVS, RETINA and other journals. He is a member and secretary of the Ophthalmic Imaging Group, Ocular Microcirculation Branch of Chinese Society of Microcirculation, and the vice chairman of the Fundus Disease Special Committee of the Guangdong Province Eye Health Association.