August 1971
Volume 10, Issue 8
Free
Articles  |   August 1971
Theory and Calibration of the Schiøtz Tonometer
Author Affiliations
  • ROBERT A. MOSES
    Department of Ophthalmology, Washington University School of Medicine, 660 South Euclid, Saint Louis, Mo. 63110
  • WALTER J. GRODZKI
    Department of Ophthalmology, Washington University School of Medicine, 660 South Euclid, Saint Louis, Mo. 63110
Investigative Ophthalmology & Visual Science August 1971, Vol.10, 589-591. doi:
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      ROBERT A. MOSES, WALTER J. GRODZKI; Theory and Calibration of the Schiøtz Tonometer . Invest. Ophthalmol. Vis. Sci. 1971;10(8):589-591.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Friction between cornea and tonometer footplate restricts formation of the plunger indentation in open manometer calibration studies of the indentation tonometer. Steel plates with burnished Teflon coating lubricated with mineral oil emulsion generated less than one third of the friction of uncoated plates lubricated with saline when drawn across the corneas of enucleated human eyes.

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