diabetic retinopathy
Conditions
Interventions
Gold Standard:Ophthalmologists read films independently.
Index test:Artificial 
diagnosis 
for 
based 
on 
imaging 
Sponsors
Shanghai General Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: The inclusion criteria in the first part of the study: 1. 18 years of age or older, no gender limitation; 2. Diabetes diagnosed by the standard diagnosis of the endocrinology department; 3. Can cooperate with fundus photography. The inclusion criteria in the second part of the study: 1. The patient can fully understand the research purpose, research content, accidents, benefits and risks of this clinical study, and can make their own decision to participate or not to participate. Those who can understand the purpose of this clinical research, volunteer to participate in this research, and sign an informed consent form. 2. Diagnosed as cataract, mild or moderate, the fundus image can be obtained through infrared imaging before cataract surgery. 3. Diagnosed as diabetes.
Exclusion criteria
Exclusion criteria: The exclusion criteria in the first part of the study: 1. Excluding the existence or treatment history of other ocular diseases except for the ocular diseases studied. 2. Other unqualified conditions identified by the investigator, including but not limited to nystagmus, inability to stare, and other reasons that cannot complete the normal examination. 3. Those with poor compliance. The exclusion criteria in the second part of the study: 1. Any eye can not accept fundus photography examination. 2. Those who have participated in or are participating in other clinical trials within 1 month before signing the informed consent. 3. Other circumstances that the researcher thinks cannot be selected. 4. Insufficient image quality, such as inconsistent field of view, poor image exposure, inaccurate image focus, stains, dark shadows or crescent shadows, etc. 5. The cataract is too severe, or there are images such as vitreous hemorrhage that cause the fundus to be inaccessible or the fundus image is blurred.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Consensus rate of diagnosis results; | — |
Secondary
| Measure | Time frame |
|---|---|
| Sensitivity;Specificity;Positive predictive value;Negative predictive value; | — |
Countries
China
Contacts
Public ContactHaidong Zou
Shanghai General Hospital, Shanghai Jiao Tong University
Outcome results
None listed