Diabetic retin
Conditions
Interventions
1:532nm-Subthreshold diode short pulse-PRP
2:Traditional PRP treatment
Sponsors
Zhongshan Ophthaomic Center, Sun Yat-sen University
Eligibility
Sex/Gender
Female
Age
45 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Aged 50-70 years; 2. Diagnosis of severe non-proliferative diabetic retinopathy; 3. BCVA >=20/100,Myopia<=-6D; 4. No photocoagulation (PRP) before this clinic trial and no major ocular surgery (including cataract extraction, any other intraocular surgery within prior 3 months; 5. Ability and willingness to provide informed consent.
Exclusion criteria
Exclusion criteria: 1. Participate in other clinical trials within 3 months; 2. Severe refractive interstitial turbidity; 3. Unable to cooperate laser treatment such as nystagmus, etc; 4. Medically or mentally unstable(including cardiovascular disorders,cerebrovascular diseases,liver and kidney disease,hematological disorder and psychosis; 5. Condition that in the opinion of the investigator would interfer trial results or increase risk; 6. Condition that in the opinion of the investigator would preclude participation in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| BCVA;the probability of vitreous haemorrhage at 1 year; | — |
Secondary
| Measure | Time frame |
|---|---|
| Central Retinal Thickness;foveal volume of macula;amount of microaneurysms;amount of bard exudate;amount of retinal hemorrhage;amount and area of IRM; | — |
Countries
China
Contacts
Public ContactJin Chenjin
Outcome results
None listed