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Scandinavian Journal of Primary Health Care Volume 16, 1999 - Issue 4
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Research Article

Can the Tono-Pen replace the Schi tz tonometer in general practice?

Terje Christoffersen, Knut Holtedahl, Unni Ringberg, Terese Fors Eye Department, University Hospital of Tromso, Institute of Community Medicine, University of Tromso, Nordbyen Medical Practice, Troms, Norway
Pages 238-241 | Published online: 12 Jul 2009

References

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  • Christoffersen T, Holtedahl K, Fors T, Ringberg U. Tonometry in the general practice setting (II): which cut-off point for referral - for which patients? Acta Ophthal-mol 1993;71:109–13.
  • Christoffersen T, Fors T, Waage S, Holtedahl K. Glau-coma screening with oculokinetic perimetry in general practice: Is its specificity acceptable? Eye 1995;9:36–9.
  • Leydhecker W. The intraocular pressure. Clinical aspects. Ann Ophthalmol 1976;8:389–99.
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  • Farrar SM, Miller KN, Shilds MB, Stoup CM. An evalua-tion of the Tono-Pen for the measurement of diurnal intraocular pressure. Am J Ophthalmol 1989;107:411–6.
  • Middelfart A, Wiggers A. Clinical comparison of the Pro Ton and Tono-Pen tonometers with the Goldmann appla-nation tonometer. Br J Ophthalmol 1994;78:895–8.
  • Christoffersen T, Fors T, Ringberg U, Holtedahl K. Tonometry in the general practice setting (I): Tono-Pen compared to Goldmann applanation tonometry. Acta Ophthalmol 1993;71:103–8.
  • Gardner MJ, Altman DG. Statistics with confidence. Confidence intervals and statistical guidelines. London: BMJ, 1989.
  • Bland M, Altman DG. Statistical methods for assessing agreement between two methods of clinical measurement. Lancet 1986;i:307–10.

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