机译:中国上海市静安区70岁以上的人们无法识别和未注册的失明
Department of Ophthalmology Jing’an District Centre Hospital of Shanghai Eye Diseases Prevention and Treatment Institute of Jing’an District;
Department of Ophthalmology and Vision Science Eye and ENT Hospital Shanghai Medical College Fudan University;
State Key Laboratory of Medical Neurobiology Institutes of Brain Science Fudan University;
blindness unrecognized causes;