JP2009268652A5 - - Google Patents
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- JP2009268652A5 JP2009268652A5 JP2008120794A JP2008120794A JP2009268652A5 JP 2009268652 A5 JP2009268652 A5 JP 2009268652A5 JP 2008120794 A JP2008120794 A JP 2008120794A JP 2008120794 A JP2008120794 A JP 2008120794A JP 2009268652 A5 JP2009268652 A5 JP 2009268652A5
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- JP
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- Prior art keywords
- eye
- examined
- ultrasonic
- probe
- contact
- Prior art date
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- 230000003287 optical Effects 0.000 claims 8
- 238000005259 measurement Methods 0.000 claims 4
- 239000000523 sample Substances 0.000 claims 4
- 238000001514 detection method Methods 0.000 claims 2
- 230000004410 intraocular pressure Effects 0.000 claims 2
- 238000002604 ultrasonography Methods 0.000 claims 2
Claims (3)
前記振動子から出射される入射波を被検眼に向けて反射すると共に、前記入射波による被検眼からの反射波を前記振動検出センサに向けて反射する超音波反射部材と、
被検眼の前眼部を観察する前眼部観察光学系であって、観察光路外に前記探触子が配置され、かつ、前記超音波反射部材と被検眼との間の超音波伝搬経路上に観察光軸が形成されるように設けられた前眼部観察光学系と、
を備えることを特徴とする非接触式超音波眼圧計。 A probe having a transducer for causing ultrasonic waves to enter the eye to be examined and a vibration detection sensor for detecting a reflected wave from the eye to be examined, and using the probe , the intraocular pressure of the eye to be examined In a non-contact ultrasonic tonometer that measures
An ultrasonic wave reflecting member that reflects the incident wave emitted from the vibrator toward the eye to be examined and reflects the reflected wave from the eye to be examined by the incident wave toward the vibration detection sensor;
An anterior ocular segment observation optical system for observing the anterior segment of an eye to be examined, wherein the probe is arranged outside the observation optical path, and on an ultrasound propagation path between the ultrasound reflecting member and the eye to be examined. An anterior ocular segment observation optical system provided to form an observation optical axis,
A non-contact ultrasonic tonometer, comprising:
眼圧とは異なる被検眼の眼特性を測定する眼特性測定光学系を有し、
該眼特性測定光学系は、測定光路外に前記探触子が配置され、かつ、前記超音波反射部材と被検眼との間の超音波伝搬経路上に測定光軸が形成されるように設けられていることを特徴とする非接触式超音波眼圧計。 The non-contact ultrasonic tonometer according to claim 1,
It has an eye characteristic measurement optical system that measures the eye characteristic of the subject's eye different from the intraocular pressure,
The eye characteristic measurement optical system is provided such that the probe is arranged outside the measurement optical path, and a measurement optical axis is formed on an ultrasonic propagation path between the ultrasonic reflection member and the eye to be examined. A non-contact ultrasonic tonometer, characterized in that
前記超音波反射部材は、超音波を反射すると共に光を透過する特性を有することを特徴とする非接触式超音波眼圧計。 The non-contact ultrasonic tonometer according to claim 2,
The non-contact type ultrasonic tonometer is characterized in that the ultrasonic reflection member has a characteristic of reflecting ultrasonic waves and transmitting light.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008120794A JP5117275B2 (en) | 2008-05-03 | 2008-05-03 | Non-contact ultrasonic tonometer |
| US12/385,912 US8092018B2 (en) | 2008-05-03 | 2009-04-23 | Non-contact ultrasonic tonometer |
| DE602009000454T DE602009000454D1 (en) | 2008-05-03 | 2009-04-30 | Contactless ultrasonic tonometer |
| EP09159177A EP2113191B1 (en) | 2008-05-03 | 2009-04-30 | Non-contact ultrasonic tonometer |
| CN200910140516.5A CN101569545B (en) | 2008-05-03 | 2009-04-30 | Non-contact ultrasonic tonometer |
| AT09159177T ATE492204T1 (en) | 2008-05-03 | 2009-04-30 | CONTACT-FREE ULTRASONIC TONOMETER |
| US13/745,091 USRE45013E1 (en) | 2008-05-03 | 2013-01-18 | Non-contact ultrasonic tonometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008120794A JP5117275B2 (en) | 2008-05-03 | 2008-05-03 | Non-contact ultrasonic tonometer |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009268652A JP2009268652A (en) | 2009-11-19 |
| JP2009268652A5 true JP2009268652A5 (en) | 2011-06-23 |
| JP5117275B2 JP5117275B2 (en) | 2013-01-16 |
Family
ID=41435731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008120794A Expired - Fee Related JP5117275B2 (en) | 2008-05-03 | 2008-05-03 | Non-contact ultrasonic tonometer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5117275B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5562703B2 (en) * | 2010-03-31 | 2014-07-30 | 株式会社ニデック | Non-contact ultrasonic tonometer |
| JP6735963B2 (en) * | 2015-10-22 | 2020-08-05 | 株式会社トーメーコーポレーション | Ophthalmic equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60227729A (en) * | 1984-04-27 | 1985-11-13 | キヤノン株式会社 | Tonometer |
| JPS6264332A (en) * | 1985-09-13 | 1987-03-23 | キヤノン株式会社 | Ophthalmic measuring apparatus |
| US4928697A (en) * | 1988-09-28 | 1990-05-29 | The Ohio State University | Non-contact high frequency tonometer |
| JPH04114625A (en) * | 1990-09-04 | 1992-04-15 | Canon Inc | Ophthalmological apparatus |
| JPH05253190A (en) * | 1991-10-10 | 1993-10-05 | Massie Res Lab Inc | Non-contact type tonometer |
| JPH09103411A (en) * | 1995-10-13 | 1997-04-22 | Canon Inc | Eye measurement device |
-
2008
- 2008-05-03 JP JP2008120794A patent/JP5117275B2/en not_active Expired - Fee Related
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