Through this study, the investigators hope to understand the prevalence and influencing factors of diabetic retinopathy in Tianjin, improve the ability of complication detection and intervention in diabetic patients in primary medical and health institutions, and build a diabetes prevention and treatment network. The investigators should adhere to the policy of prevention first, combined with prevention and control, and explore a diabetes' prevention and control model suitable for our city. Extensive publicity and education should be carried out to improve the awareness of self-management ,improve the screening rate of diabetic retinopathy, and reduce the blindness rate.
West of the city, and hebei, heping and binhai new area to carry out the work, diabetic retinopathy screening on 18000 diabetic patients in fundus examination. Tianjin medical university eye hospital, project team, formed in grassroots medical institutions are responsible for screening fundus examination in patients with diabetes, related inspection including vision, computer optometry, fundus photography and optical coherence tomography angiography (OCTA), etc. Blood samples were collected from patients in Hexi District and Heping District to detect glycosylated hemoglobin. Glycated albumin, urine ACR and CO breath test were performed in Chu Hsien-I Memorial Hospital of Tianjin Medical University. Health records were established for the screening personnel after the examination
Study Type
OBSERVATIONAL
Enrollment
18,000
Tianjin Medical University Eye Hospital
Tianjin, Tianjin Municipality, China
RECRUITINGClassification of diabetic retinopathy
Fundus images were taken by fundus camera and graded
Time frame: At screening
blood routine examination
Blood was collected and tested
Time frame: At screening
OCTA imaging indicators
OCTA machine was used to photograph the fundus
Time frame: At screening
blood biochemistry
Blood was collected and tested
Time frame: At screening
glycosylated hemoglobin
Blood was collected and tested
Time frame: At screening
glycated albumin
Blood was collected and tested
Time frame: At screening
Urine ACR
Urine was collected and tested
Time frame: At screening
Blood vessel color Doppler ultrasound of extremities
Blood vessels of extremities were photographed by color Doppler ultrasound
Time frame: At screening
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