Multi-modal Imaging and Artificial Intelligence Diagnostic System for Multi-level Clinical Application

Group A(normal individuals): Meet all the items 1 \~ 5 below

1. No familial or hereditary retinopathy;
2. No history of ocular trauma and / or history of ocular disease (except for mild to moderate refractive errors and / or age-related cataracts);
3. No drug use history that may cause side effects of retina (such as chloroquine, hydroxychloroquine, chlorpromazine, rifampin, etc.); 4 binocular diopter ≤ ± 6.00D; No systemic diseases that may affect the retina.

Group B(diabetes patients without ocular complications): meet any of 1 to 3, and both 4 to 5 items

1. Diagnosed with type 1 diabetes for more than 5 years;
2. Diagnosed with type 2 diabetes patients;
3. Diagnosis of gestational diabetes patients;
4. Without systemic disease that may affect the retina except for diabetes;
5. Meet the standards of 1 to 4 items.

Group C(patients with diabetic ocular complications): meet with any of 1 to 3, and all 4 to 6 items

1. Diagnosed with type 1 diabetes for more than 5 years;
2. Diagnosed with type 2 diabetes patients;
3. Diagnosis of gestational diabetes patients;
4. Meet the guidelines for diagnosis and treatment of diabetic retinopathy in any stage of diabetic retinopathy and / or diabetic macular edema.
5. Without systemic disease that may affect the retina except for diabetes;
6. A group to meet the criteria for 1 to 4 items.

Exclusion Criteria:

1. Refractive pathway is turbid, so that fundus image can not be clearly photographed;
2. With other fundus diseases and / or other diseases that seriously affect the visual function;
3. Any eye infection, such as conjunctivitis, keratitis, scleritis, endophthalmitis, acute and chronic dacryocystitis, or eye injury;
4. Serious systemic diseases such as diabetes, hypertension, heart failur,renal failure;
5. Can not cooperate with the examiner due to mental or other reasons.