1. Medical College of Optometry and Ophthalmology, Shandong University of Traditional Chinese Medicine, Jinan, P. R. China
2. Shandong Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Therapy of Ocular Diseases, Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Therapy of Ocular Diseases in Universities of Shandong, Eye Institute, Shandong University of Traditional Chinese Medicine, Jinan, P. R. China
3. Affiliated Eye Hospital, Shandong University of Traditional Chinese Medicine, Jinan, P. R. China