September 1971
Volume 10, Issue 9
Free
Articles  |   September 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 September 1971, Vol.10, 710-715. doi:
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      ROBERT A. MOSES, WALTER J. GRODZKI; Theory and Calibration of the SchiØtz Tonometer . Invest. Ophthalmol. Vis. Sci. 1971;10(9):710-715.

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

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Abstract

Tonometer scale reading at constant pressure was measured in twenty enucleated human eyes. Scale reading was inversely related to corneal radius of curvature as predicted by a mathematical model. Formulas relating scale reading, tonometric pressure, plunger weight, and corneal radius of curvature are derived from the data. The current Pt versus R tables (1955) very nearly correspond to the present data for the 8.0 mm. radius of curvature cornea.

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