| 摘要 |
A non-contact ultrasonic tonometer for measuring intraocular pressure of an examinee's eye in a non-contact manner by use of an ultrasonic wave comprises: a probe that emits an ultrasonic beam to be allowed to enter the eye and detects the ultrasonic beam reflected by the eye; and an arithmetic section that determines the intraocular pressure by processing an output signal from the probe, the probe including a broadband air-coupled transducer that transmits and receives the ultrasonic beam having a broadband frequency component.
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