Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert W. Falck0
Francis Y. Falck, Jr.0
Date of Patent
January 6, 2009
0Patent Application Number
101789870
Date Filed
June 25, 2002
0Patent Primary Examiner
Patent abstract
An applanation tonometer and its operation involve an actuator pressing a prism with a variable and determinable force against a cornea of an eye while a source directs light to reflect from an applanation surface of the prism to a detector producing a detected light signal received by a microprocessor. Such a tonometer produces a diastolic phase signal and a systolic phase signal representing the complete intra ocular pressure experience of the eye being examined. The signal information allows combined diastolic and systolic IOP to be determined in several corroborating ways and also yields measures of ocular blood flow and tonography.
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