Article 1 China 1 Depression 1 Diabetic retinopathy 1 Quality of vision 1 Social Support Rating Scale Visual Function Questionnaire 25 1 Visual Function Questionnaire-25 1 adult 1 aging 1 cardiovascular disease 1 depression 1 diabetic retinopathy 1 eye disease assessment 1 female 1 human 1 insulin 1 major clinical study 1 male 1 non insulin dependent diabetes mellitus 1 oral antidiabetic agent 1 prevalence 1 quality of life 1 risk assessment 1 risk factor 1 scoring system 1 social support 1 vision 1 vision related quality of life 1