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      Comparative Study of Three Non-Contact Tonometers and the Goldmann Tonometer

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          Abstract

          The main objective of this study was to find out how well three non-contact tonometers (Pulsair, Xpert-NCT and CT-20) compare with the Goldmann tonometer (GT). Sensitivity, specificity, positive and negative predictive values were all evaluated for an intraocular pressure (IOP) ≧21 mm Hg. We also calculated the mean IOP, the correlation and the dispersion of the results. The difficulty in using the instruments, the patient’s attitude and subjective comfort of IOP measuring were also evaluated. We describe the advantages and shortcomings of non-contact tonometers as screening tools to detect elevated IOP in the general population.

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          Author and article information

          Journal
          OPH
          Ophthalmologica
          10.1159/issn.0030-3755
          Ophthalmologica
          S. Karger AG
          0030-3755
          1423-0267
          1994
          1994
          01 April 2010
          : 208
          : 3
          : 115-118
          Affiliations
          Departamento de Oftalmología, Clínica Universitaria, Universidad de Navarra, Pamplona, Spain
          Article
          310466 Ophthalmologica 1994;208:115–118
          10.1159/000310466
          8065693
          © 1994 S. Karger AG, Basel

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          Page count
          Pages: 4
          Categories
          Original Paper

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