Vergleich des iCare-Tonometers mit dem Goldmann-Tonometer in Malawi

In this hospital-based survey 150 eyes were divided into 3 groups concerning the intraocular pressure and underwent examination with ultrasound pachymetry followed by iCare tonometry and Goldmann applanation tonometry

J. Hohmann; M. Schulze-Schwering; T. Chirambo Nyaka; V. Moyo; P.C. Kayange; D. Doycheva; N.H. Batumba; M.S. Spitzer

2012

Scholarcy highlights

  • In this hospital-based survey 150 eyes were divided into 3 groups concerning the intraocular pressure and underwent examination with ultrasound pachymetry followed by iCare tonometry and Goldmann applanation tonometry
  • Agreement of the measurements by two tonometers was assessed with the Bland-Altman method and the influence of the central corneal thickness on the ICT measurements was determined
  • The mean difference between the IOD measured with GAT and ICT was 0.84 ± 2.63 mmHg
  • The differences were similar in all three groups, the standard deviation in group III was greater than in groups I and II
  • The agreement of measurements by GAT and ICT was good for lower IOP values but less accurate in patients with higher IOP values
  • In comparison to other countries the lowest central corneal thickness were found in Malawian patients

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