Dai Hong, Beijing Hospital, chief physician, professor, director of ophthalmology. He is good at operations such as retinal detachment, eye trauma, macular hole and macular proliferative membrane, and has rich medical experience. Honorary Professor, School of Medicine, The Chinese University of Hong Kong and School of Optometry, The Hong Kong Polytechnic University. At present, he is a consultant of the Central Health Care Commission, an expert in the evaluation of national science and technology awards, Chinese Medical Association and Beijing science and technology awards, an expert in the evaluation of national and Beijing natural science funds, and a member of the evaluation expert group of the Ministry of Health and Beijing senior professional titles. 199 1 studied vitreoretinal surgery at the Chinese University of Hong Kong, and was one of the early vitreoretinal surgeons in China. He has rich clinical experience in retinal detachment, eye trauma, macular hyperplasia and other operations.

Xia Qun, Beijing Hospital, Ophthalmology, Chief Physician. He is especially good at the diagnosis and treatment of strabismus, amblyopia, ametropia, amblyopia and strabismus in children. Engaged in ophthalmology clinical work for 38 years, 1993 went to Asahi Central Hospital in Japan for further study. He is the earliest fitting personnel of orthokeratology mirror in China, with 20 years of fitting experience. Currently a member of Chinese Medical Association; Executive Director of Pediatric Ophthalmology Committee of Beijing Health Care Association; Member of Ophthalmology Committee of Beijing Medical Association; Member of strabismus and pediatric ophthalmology branch of Beijing Medical Association.