The natural history of diabetic retinopathy.
D000328:Adult; D000783:Aneurysm / Q000175:diagnosis; D000792:Angiography; D003930:Diabetic Retinopathy / Q000473:pathology*; D006801:Humans; D008833:Microcirculation; D008875:Middle Aged; D010781:Photography; D011379:Prognosis; D011446:Prospective Studies; D014792:Visual Acuity