CA2851518C - Applanation tonometer and method for measuring the intraocular pressure of the eye - Google Patents
Applanation tonometer and method for measuring the intraocular pressure of the eye Download PDFInfo
- Publication number
- CA2851518C CA2851518C CA2851518A CA2851518A CA2851518C CA 2851518 C CA2851518 C CA 2851518C CA 2851518 A CA2851518 A CA 2851518A CA 2851518 A CA2851518 A CA 2851518A CA 2851518 C CA2851518 C CA 2851518C
- Authority
- CA
- Canada
- Prior art keywords
- light
- contact tip
- optically
- prism
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000004410 intraocular pressure Effects 0.000 title claims abstract 4
- 238000000034 method Methods 0.000 title description 2
- 210000004087 cornea Anatomy 0.000 claims abstract description 40
- 238000005259 measurement Methods 0.000 claims description 17
- 230000004044 response Effects 0.000 claims description 5
- 230000001419 dependent effect Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 241001465754 Metazoa Species 0.000 abstract description 4
- 230000036541 health Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 11
- 210000001519 tissue Anatomy 0.000 description 5
- 208000010412 Glaucoma Diseases 0.000 description 3
- 210000001742 aqueous humor Anatomy 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000002691 topical anesthesia Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 210000001557 animal structure Anatomy 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
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- 238000003379 elimination reaction Methods 0.000 description 1
- 208000030533 eye disease Diseases 0.000 description 1
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- 230000036512 infertility Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
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- 238000004806 packaging method and process Methods 0.000 description 1
- 239000006187 pill Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/16—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring intraocular pressure, e.g. tonometers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/14—Arrangements specially adapted for eye photography
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/284,022 US9232892B2 (en) | 2010-11-03 | 2011-10-28 | Applanation tonometer and method for measuring the intraocular pressure of the eye |
| US13/284,022 | 2011-10-28 | ||
| PCT/US2012/060379 WO2013062807A1 (en) | 2011-10-28 | 2012-10-16 | Applanation tonometer and method for measuring the intraocular pressure of the eye |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2851518A1 CA2851518A1 (en) | 2013-05-02 |
| CA2851518C true CA2851518C (en) | 2019-11-12 |
Family
ID=45997430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2851518A Active CA2851518C (en) | 2011-10-28 | 2012-10-16 | Applanation tonometer and method for measuring the intraocular pressure of the eye |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US9232892B2 (enExample) |
| EP (1) | EP2770906B1 (enExample) |
| JP (1) | JP6374321B2 (enExample) |
| KR (1) | KR101942239B1 (enExample) |
| CN (1) | CN103987312B (enExample) |
| AU (1) | AU2012329231B2 (enExample) |
| BR (1) | BR112014010095B1 (enExample) |
| CA (1) | CA2851518C (enExample) |
| DK (1) | DK2770906T3 (enExample) |
| ES (1) | ES2845403T3 (enExample) |
| HU (1) | HUE052329T2 (enExample) |
| IN (1) | IN2014CN03030A (enExample) |
| MX (1) | MX2014004951A (enExample) |
| PL (1) | PL2770906T3 (enExample) |
| PT (1) | PT2770906T (enExample) |
| WO (1) | WO2013062807A1 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8690332B2 (en) * | 2010-10-15 | 2014-04-08 | Epico, Llc | Binocular glare testing devices |
| CN102813501B (zh) * | 2012-08-06 | 2014-04-02 | 淮南师范学院 | 动态眼压测量装置及控制探头与眼球共轴的方法 |
| US9538917B2 (en) * | 2014-08-04 | 2017-01-10 | Lighttouch, Llc | Applanation tonometer having cornea alignment means |
| US11717162B2 (en) | 2017-09-12 | 2023-08-08 | Reichert, Inc. | Rebound tonometer having tilt correction |
| CN114145709B (zh) * | 2021-11-26 | 2025-10-03 | 华南理工大学 | 基于眼压计压头受力的判定压头达到压平的方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3287957A (en) | 1964-10-01 | 1966-11-29 | Bausch & Lomb | Calibration unit |
| US5203331A (en) | 1989-07-17 | 1993-04-20 | Haag-Streit Ag | Applanation tonometer |
| DE3931630A1 (de) | 1989-09-22 | 1991-05-08 | Datron Electronic Gmbh | Verfahren und vorrichtung zur bestimmung des augeninnendrucks o. dgl. |
| US5070875A (en) | 1990-11-19 | 1991-12-10 | Falcken, Inc. | Applanation tonometer using light reflection to determine applanation area size |
| DE4441081A1 (de) * | 1994-11-18 | 1996-05-30 | Jenoptik Technologie Gmbh | Anordnung zur exakten Bestimmung einer Applanationsfläche zur Augendruckmessung |
| DE4444459C1 (de) * | 1994-12-14 | 1996-02-29 | Jenoptik Technologie Gmbh | Anordnung zur automatischen Bestimmung der Andruckkraft bei Augendruckuntersuchungen |
| CN1158239A (zh) * | 1996-08-01 | 1997-09-03 | 合肥恒星工贸公司 | 智能袖珍压平式眼压计 |
| GB9717894D0 (en) * | 1997-08-22 | 1997-10-29 | Clement Clarke Int | Applanating tonmeters |
| US6179779B1 (en) * | 1997-12-22 | 2001-01-30 | Ffhk Development Company Llc | Replaceable prism system for applanation tonometer |
| US6776756B2 (en) | 2001-05-16 | 2004-08-17 | Marco Ophthalmic, Inc. | Applanation tonometer |
| US7473231B2 (en) | 2002-06-25 | 2009-01-06 | Francis Y. Falck | Method and apparatus for examining an eye |
| US6981946B2 (en) | 2003-04-17 | 2006-01-03 | J.D. Mueller Company, Llc | Load sensing applanation tonometer |
| US20050105044A1 (en) * | 2003-11-14 | 2005-05-19 | Laurence Warden | Lensometers and wavefront sensors and methods of measuring aberration |
| US7481767B2 (en) | 2005-09-08 | 2009-01-27 | Reichert, Inc. | Method and apparatus for determining true intraocular pressure |
-
2011
- 2011-10-28 US US13/284,022 patent/US9232892B2/en active Active
-
2012
- 2012-10-16 EP EP12844514.5A patent/EP2770906B1/en active Active
- 2012-10-16 KR KR1020147014171A patent/KR101942239B1/ko active Active
- 2012-10-16 ES ES12844514T patent/ES2845403T3/es active Active
- 2012-10-16 PL PL12844514T patent/PL2770906T3/pl unknown
- 2012-10-16 CN CN201280053144.2A patent/CN103987312B/zh active Active
- 2012-10-16 CA CA2851518A patent/CA2851518C/en active Active
- 2012-10-16 IN IN3030CHN2014 patent/IN2014CN03030A/en unknown
- 2012-10-16 AU AU2012329231A patent/AU2012329231B2/en active Active
- 2012-10-16 WO PCT/US2012/060379 patent/WO2013062807A1/en not_active Ceased
- 2012-10-16 MX MX2014004951A patent/MX2014004951A/es active IP Right Grant
- 2012-10-16 DK DK12844514.5T patent/DK2770906T3/da active
- 2012-10-16 JP JP2014538835A patent/JP6374321B2/ja active Active
- 2012-10-16 BR BR112014010095-0A patent/BR112014010095B1/pt active IP Right Grant
- 2012-10-16 HU HUE12844514A patent/HUE052329T2/hu unknown
- 2012-10-16 PT PT128445145T patent/PT2770906T/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US20120108941A1 (en) | 2012-05-03 |
| JP6374321B2 (ja) | 2018-08-15 |
| EP2770906A1 (en) | 2014-09-03 |
| CN103987312A (zh) | 2014-08-13 |
| BR112014010095B1 (pt) | 2022-01-11 |
| AU2012329231B2 (en) | 2017-08-17 |
| KR101942239B1 (ko) | 2019-01-25 |
| HUE052329T2 (hu) | 2021-04-28 |
| WO2013062807A8 (en) | 2014-05-22 |
| AU2012329231A1 (en) | 2014-05-15 |
| EP2770906A4 (en) | 2015-12-16 |
| CN103987312B (zh) | 2017-09-26 |
| US9232892B2 (en) | 2016-01-12 |
| ES2845403T3 (es) | 2021-07-26 |
| JP2014532471A (ja) | 2014-12-08 |
| BR112014010095A2 (pt) | 2017-04-25 |
| PL2770906T3 (pl) | 2021-05-31 |
| EP2770906B1 (en) | 2020-12-09 |
| IN2014CN03030A (enExample) | 2015-07-03 |
| MX2014004951A (es) | 2014-10-17 |
| PT2770906T (pt) | 2020-12-24 |
| WO2013062807A1 (en) | 2013-05-02 |
| DK2770906T3 (en) | 2021-02-22 |
| KR20140096079A (ko) | 2014-08-04 |
| CA2851518A1 (en) | 2013-05-02 |
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| CA2851518C (en) | Applanation tonometer and method for measuring the intraocular pressure of the eye | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20170927 |