Medical consultant of Shanghai University, professor of optometry center. Long-term engaged in clinical ophthalmology, ophthalmology epidemiology research and optometry, senior optometrist teaching and training. He is the author of books and periodicals such as Prevention of Myopia and Prevention of Pink Eye, Diagnosis and Prosecution of Blindness and Low Vision, and Prevention of Blindness in Shanghai. He has written papers such as Epidemiological Survey of Blindness and Low Vision in Shanghai 28, Hygienic Quality of Glasses in Shanghai, Hygienic Quality Management of Glasses, Prevention and Treatment of Eye Diseases Caused by Glasses, and published them in Chinese Journal of Ophthalmology and Chinese Journal of Preventive Medicine. He has presided over the epidemiological investigation of blindness and low vision in Shanghai and the project of preventing and treating blindness. He has rich clinical experience in optometry and complex optometry.