Letters

Screening for sight threatening eye disease

BMJ 1996; 312 doi: http://dx.doi.org/10.1136/bmj.312.7028.440 (Published 17 February 1996) Cite this as: BMJ 1996;312:440

Calculation of sensitivity is misleading

  1. Marie Hickey-Dwyer,
  2. Susan Ellerby
  1. Consultant ophthalmologist Countess of Chester NHS Trust, Chester CH2 1UL
  2. Consultant in public health medicine South Cheshire Health Authority, Chester CH2 1UL

    EDITOR,—We disagree with the statement by S P Harding and colleagues that “on the evidence currently available … photographic screening … is the method of choice for purchasers of health care.”1 Their study shows that photography had a higher sensitivity than ophthalmoscopy in detecting diabetic eye disease (89% v 65%). The sensitivity in detecting sight threatening retinopathy or sight threatening maculopathy, however, was the same (56%) …

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