Chinese Optometric Association, Chinese Ophthalmological Society; Ophthalmology and Optometry Committee, Ophthalmologists Association, Chinese Doctor Association; Ophthalmology Branch of Chinese Geriatrics Society (CGS); Eye Refractive Error Prevention and Control Group of the Cross-Straits Medical Exchange Association (SMEA), Commission of Ophthalmology; Ophthalmology and Optometry Group, Ophthalmologic Committee, Chinese Non-Government Medical InstitutionsAssociation |