[Occurrence of diabetic retinopathy in cases with diabetic parents].
D000293:Adolescent; D000328:Adult; D002648:Child; D003920:Diabetes Mellitus / Q000235:genetics*; D003930:Diabetic Retinopathy / Q000235:genetics*; D004596:Electroretinography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged