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ROBERT A. MOSES; Theory and Calibration of the Schiøtz Tonometer V. A Mathematical Model of Schiøtz Tonometry: The Volume of Indentation. Invest. Ophthalmol. Vis. Sci. 1971;10(8):601-604.
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Volume of the corneal indentation of the tonometer is calculated from a geometrical model. Corneal curvature radius has exceedingly little effect on the relationship between scale reading and calculated volume. The calculated indentation volume is less than the experimentally measured volume.
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