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TONOMETER PROBE FOR DIGITAL READ-OUT

  • US 3,677,074 A
  • Filed: 02/01/1971
  • Issued: 07/18/1972
  • Est. Priority Date: 02/01/1971
  • Status: Expired due to Term
First Claim
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1. A tonometric probe comprising concentric cylindrical inner and tubular outer force sensing elements having coplanar outer end faces for application to the surface of an eyeball, a handle case, means mounting said elements to said case for individual displacement, and force sensitive transducer means operably associated with said inner and outer sensing elements for generating electrical signals responsive to displacements thereof respectively representative of forces acting on said coplanar end faces.

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