Ophthalmic ultrasonic measurement apparatus, and an...

Details Ophthalmic ultrasonic measurement apparatus, and an... Ophthalmic ultrasonic measurement apparatus, and an...

2008-07-31

2010-11-02

Stultz, Jessica T (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

C351S205000, C351S246000

Reexamination Certificate

active

07824036

ABSTRACT:
An ophthalmic ultrasonic measurement apparatus capable of narrowing differences in measurement results obtained by the apparatus which are made because of differences among examiners who operate the apparatus comprises an ultrasonic probe arranged to be brought into contact with a cornea of an examinee's eye, a calculation unit arranged to obtain a measured value of a length from the cornea to a given section inside the eye based on an echo from the eye by an ultrasonic wave which is emitted from the probe, and a memory arranged to store information on examiners and adjustment information for narrowing differences in measured values of the length which are made because of differences among the examiners while the adjustment information is associated with the examiners' information, wherein the calculation unit corrects the obtained measured value using the stored adjustment information.

REFERENCES:
patent: 5347331 (1994-09-01), Isogai et al.
patent: 5912721 (1999-06-01), Yamaguchi et al.
patent: 6312393 (2001-11-01), Abreu
patent: 2006/0025685 (2006-02-01), dela Houssaye
patent: 2008/0079898 (2008-04-01), Miwa et al.
patent: A 2001-187022 (2001-07-01), None
patent: A 2008-86527 (2008-04-01), None

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