Dr. Yan He, M.D., Ph.D., Attending physician, associate fellow in Department of Ophthalmology, The second Xiangya hospital of Central South University. Dr. He got her Master and Doctor Degree of Ophthalmology in Beijing Tongren Eye center, Capital Medical University, and now major in corneal and external ocular disease include corneal transplantation, dry eye disease, and treatment of diseases and infections of the cornea. Dr. He is currently the major member of Multi-care clinic with rheumatology and immunology department, and treated hundreds of patients with Sjogren Syndrome and Stenvens-Johnson Syndrome.