He is a member of the Association for Research in Ophthalmology and Visual Sciences, the International Society for Eye Research, European Vision and Eye Research Association, Asian Cataract Association, American Society for Biochemistry and Molecular Biology, American Society for Cell Biology, American Society for Cancer Research and International Society for Stem Cell Research. His research has been supported by the National Eye Institute of National Institutes of Health, USA, Department of Defense in USA, New Jersey Foundation and Hormel Foundation in USA, University of Minnesota Graduate School in USA, Research Prevent Blindness in USA, Natural Science Foundation of China, Hunan Province Government, Hunan Normal University and Zhongshan Ophthalmic Center in China. He has been invited to give lectures in USA, China, Germany, England, Spain, Portugal, Japan, South Korea and India in more than 80 academic units and organizations. He served as Section Chair and Meeting Organizers for the Association for Research in Vision Sciences and Ophthalmology in USA, European Vision and Eye Research Association, International Society for Eye Research and US-Japan Collaborative Cataract Research.