Diabetic retinopathy
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age greater than 40 and less than 70, generally in good condition, able to cooperate with this study for follow-up after informed consent; 2. Patients in the city; 3. No long-term history of other drug use except for blood sugar control drugs; 4. There are no other eye diseases such as glaucoma and high myopia that affect the observation of DR fundus.
Exclusion criteria
Exclusion criteria: 1. Patients with severe systemic comorbidities who cannot tolerate surgery; 2. Patients with urinary tract stones who cannot tolerate oral vitamin C.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Plasma vitamin C concentration; | — |
Countries
China
Contacts
Xinjiang PLA general hospital