[Incidence of diabetic retinopathy in Tokai district].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D003920:Diabetes Mellitus / Q000453:epidemiology*; D003930:Diabetic Retinopathy / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged