title: Screening for sight-threatening diabetic retinopathy.
mesh_terms: D000328:Adult; D000368:Aged; D001766:Blindness / Q000517:prevention & control; D003930:Diabetic Retinopathy / Q000175:diagnosis / Q000517:prevention & control*; D005194:Family Practice; D006801:Humans; D008875:Middle Aged; D012307:Risk Factors