Professor, Doctoral Tutor, Institute of Ophthalmology, Xiamen University, Honorary Professor, Cardiff University, UK. He is currently Vice Dean of Medical College of Xiamen University, Director of Department of Optometry, Vice Chairman of Asian Dry Eye Society, Vice Chairman of China Branch of International Tear and Ocular Surface Society (TFOS-China), Member of Corneal Disease Group of Ophthalmology Branch of Chinese Medical Association, and Member of Corneal Disease Group of Ophthalmology Branch of Chinese Medical Association. Member of the Standing Committee of the Ophthalmology Committee of the Cross-Strait Medical and Health Exchange Association, Director-General, Member of the Ocular Surface and Tear Disease Group, Head of the Corneal Disease Group of the Ophthalmology Branch of Fujian Medical Association, Vice Chairman of the Ophthalmologist Branch of Fujian Medical Association, Editorial Board Member of the Chinese Journal of Ophthalmology, Chinese Journal of Experimental Ophthalmology and Chinese Journal of Ophthalmology and Optometry; Editorial board member of Ocular Surface, Am J Ophthalmol, Exp Eye Res and other international journals.