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Screening for diabetic retinopathy

BMJ 1996; 312 doi: (Published 17 February 1996) Cite this as: BMJ 1996;312:441
  1. J M Mason,
  2. M F Drummond,
  3. E G Woodward
  1. Research fellow Professor of economics Centre for Health Economics, University of York, York YO1 5DD
  2. Professor of optometry and visual science City University, London EC1V 7DD

    EDITOR,—In his editorial on screening for diabetic retinopathy Bob Ryder asserts that single screening modalities are inadequate and that combined ophthalmoscopy and photography conducted by specialist optometrists or technicians is satisfactory.1 The main source of evidence for this is a special medical development project, funded by the government, which compared general practitioners, optometrists, and diabetologists.2 We wonder whether the project provides sound and generalisable evidence and what the economic implications are of performing photography in addition to ophthalmoscopy.

    The special medical development project is …

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