Completed
Early Treatment Diabetic Retinopathy Study (ETDRS)
Led by National Eye Institute (NEI) · Updated on 2006-09-04
N/A
Participants Needed
N/A
Research Sites
N/A
Total Duration
On this page
AI-Summary
What this Trial Is About
To evaluate the effectiveness of both argon laser photocoagulation and aspirin therapy in delaying or preventing progression of early diabetic retinopathy to more severe stages of visual loss and blindness. To help determine the best time to initiate photocoagulation treatment in diabetic retinopathy. To monitor closely the effects of diabetes mellitus and of photocoagulation on visual function. To produce natural history data that can be used to identify risk factors and test etiologic hypotheses in diabetic retinopathy.
CONDITIONS
Brief Title
Early Treatment Diabetic Retinopathy Study (ETDRS)
Who Can Participate
Eligibility Criteria
Men and women between the ages of 18 and 70 years with moderate or severe nonproliferative diabetic retinopathy or mild proliferative retinopathy in both eyes, with no previous photocoagulation treatment, and with visual acuity of 20/40 or better (20/200 or better if macular edema is present) were eligible for this study.
Trial Site Locations
Site Locations not provided
Location information for this trial is currently unavailable.
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