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      Contrast Sensitivity in Patients with Silicone Intraocular Lenses

      S. Karger AG
      Contrast sensitivity, Contrast sensitivity test, Intraocular lens

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          Contrast sensitivity in 64 patients aged from 50 to 69 years with an intraocular lens (IOL) was studied. There were 23 eyes with a silicone and 31 eyes with a polymethylmethacrylate (PMMA) IOL. Ten patients had a silicone IOL in one eye and a PMMA IOL in the other. Contrast sensitivity was examined with the Vistech far vision VCTS 6500 test. The contrast sensitivity test results in silicone and PMMA IOL eyes were in all cpd (cycles per degree) lines significantly worse than in normal eyes except in the 60-year-old group in the 18-cpd line. The contrast sensitivity test results were in all cpd lines better in the silicone IOL eyes than in the PMMA IOL eyes, but it reached significance only in the 3-cpd line. In the 10 patients with the silicone lens in one and the PMMA lens in the other eye, the test results were also better in the silicone IOL eye; it also reached significance only in the 3-cpd line.

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          Author and article information

          S. Karger AG
          01 April 2010
          : 211
          : 4
          : 214-218
          Department of Ophthalmology, University Hospital of Kuopio, University of Kuopio, Finland
          310792 Ophthalmologica 1997;211:214–218
          © 1997 S. Karger AG, Basel

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          : 08 February 1996
          : 05 July 1996
          Page count
          Pages: 5
          Original Paper

          Vision sciences,Ophthalmology & Optometry,Pathology
          Intraocular lens,Contrast sensitivity test,Contrast sensitivity


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