Non-contact ultrasonic tonometer
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United States of America Patent
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Jul 15, 2014
Grant Date -
N/A
app pub date -
Jan 18, 2013
filing date -
May 3, 2008
priority date (Note) -
Expired
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Abstract
A non-contact ultrasonic tonometer for measuring intraocular pressure of an examinee's eye, in non-contact manner by use of an ultrasonic wave comprises: a probe including a vibrator for making the ultrasonic wave incident on the examinee's eye and a sensor for detecting the ultrasonic wave reflected from the examinee's eye; and an observation optical system for observing an anterior segment of the eye, wherein the probe is placed in an optical path of the observation optical system, and the observation optical system forms an image of the anterior segment through a surrounding region of the probe.
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