1. Department of Ophthalmology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, China
2. Department of Ophthalmology, Affiliated Hongqi Hospital, Mudanjiang Medical College, Mudanjiang, Heilongjiang 157000, China
3. Department of Cardiology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, China