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Tonometry2012

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Digital “tonometry”<br />

Indentation tonometry<br />

Variable indentation tonometers<br />

Schiøtz<br />

Based on Maklakoff & Fick’s “law”<br />

W = P x A<br />

For a given weight applied, the greater the<br />

indentation, the lower the pressure<br />

1 scale unit approx = 0.05mm indentation

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