1. Department of Acupuncture and Tuina, Changchun University of Chinese Medicine, Changchun, China
2. Changchun University of Chinese Medicine, Changchun, China
3. Department of Ophthalmology, The Second Hospital of Jilin University, Changchun, China
4. Department of Acupuncture and Tuina, The Third Affiliated Hospital of Changchun University of Chinese Medicine, Changchun, China.