title: Natural history of diabetic retinopathy.
mesh_terms: D000328:Adult; D000367:Age Factors; D001766:Blindness; D002196:Capillaries; D003920:Diabetes Mellitus / Q000378:metabolism; D003930:Diabetic Retinopathy / Q000209:etiology*; D006801:Humans; D008875:Middle Aged; D011379:Prognosis; D012166:Retinal Hemorrhage / Q000209:etiology; D012171:Retinal Vessels / Q000254:growth & development; D013997:Time Factors; D014822:Vitreous Body