Hua Yan, Professor and Chief Physician of Tianjin Medical University General Hospital, Head of the ophthalmology discipline at Tianjin Medical University, Vice President of Asian Pacific Ocular Trauma Society. Received PhD degree from Tianjin Medical University in 2008. Has been involved in ophthalmology for more than 30 years with high attainment in clinical and basic research of ocular trauma and vitreoretinal diseases. Research topics of interest include: 1. The pathogenesis of retinal vascular disorders (Diabetic Retinopathy/AMD). 2. Ocular trauma-related disease (traumatic proliferative vitreoretinopathy/optic nerve injury). 3. The association of environmental factors and the occurrence of eye diseases.