FR2497087A1 - Keratometre automatique - Google Patents
Keratometre automatique Download PDFInfo
- Publication number
- FR2497087A1 FR2497087A1 FR8027794A FR8027794A FR2497087A1 FR 2497087 A1 FR2497087 A1 FR 2497087A1 FR 8027794 A FR8027794 A FR 8027794A FR 8027794 A FR8027794 A FR 8027794A FR 2497087 A1 FR2497087 A1 FR 2497087A1
- Authority
- FR
- France
- Prior art keywords
- image
- cornea
- measurement
- eye
- photodiodes
- 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.)
- Granted
Links
- 238000005259 measurement Methods 0.000 claims abstract description 57
- 230000003287 optical effect Effects 0.000 claims abstract description 37
- 210000004087 cornea Anatomy 0.000 claims abstract description 35
- 230000001360 synchronised effect Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 15
- 201000009310 astigmatism Diseases 0.000 claims description 11
- 238000004364 calculation method Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000010200 validation analysis Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 210000001072 colon Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
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
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/036—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters for testing astigmatism
-
- 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
- A61B3/107—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining the shape or measuring the curvature of the cornea
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8027794A FR2497087A1 (fr) | 1980-12-30 | 1980-12-30 | Keratometre automatique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8027794A FR2497087A1 (fr) | 1980-12-30 | 1980-12-30 | Keratometre automatique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2497087A1 true FR2497087A1 (fr) | 1982-07-02 |
| FR2497087B1 FR2497087B1 (enExample) | 1985-03-22 |
Family
ID=9249628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8027794A Granted FR2497087A1 (fr) | 1980-12-30 | 1980-12-30 | Keratometre automatique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2497087A1 (enExample) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998009562A1 (de) * | 1996-09-07 | 1998-03-12 | Carl Zeiss Jena Gmbh | Keratometrische anordnung |
| WO2009048858A1 (en) * | 2007-10-10 | 2009-04-16 | Bausch & Lomb Incorporated | Eye measurement apparatus and a method of using same |
| US8262646B2 (en) | 2006-01-20 | 2012-09-11 | Lensar, Inc. | System and method for providing the shaped structural weakening of the human lens with a laser |
| WO2012134931A1 (en) * | 2011-03-25 | 2012-10-04 | Lensar, Inc. | System and method for measuring and correcting astigmatism using laser generated corneal incisions |
| US8382745B2 (en) | 2009-07-24 | 2013-02-26 | Lensar, Inc. | Laser system and method for astigmatic corrections in association with cataract treatment |
| US8465478B2 (en) | 2009-07-24 | 2013-06-18 | Lensar, Inc. | System and method for performing LADAR assisted procedures on the lens of an eye |
| US8480659B2 (en) | 2008-07-25 | 2013-07-09 | Lensar, Inc. | Method and system for removal and replacement of lens material from the lens of an eye |
| US8500723B2 (en) | 2008-07-25 | 2013-08-06 | Lensar, Inc. | Liquid filled index matching device for ophthalmic laser procedures |
| US8556425B2 (en) | 2010-02-01 | 2013-10-15 | Lensar, Inc. | Purkinjie image-based alignment of suction ring in ophthalmic applications |
| USD694890S1 (en) | 2010-10-15 | 2013-12-03 | Lensar, Inc. | Laser system for treatment of the eye |
| USD695408S1 (en) | 2010-10-15 | 2013-12-10 | Lensar, Inc. | Laser system for treatment of the eye |
| US8617146B2 (en) | 2009-07-24 | 2013-12-31 | Lensar, Inc. | Laser system and method for correction of induced astigmatism |
| US8758332B2 (en) | 2009-07-24 | 2014-06-24 | Lensar, Inc. | Laser system and method for performing and sealing corneal incisions in the eye |
| US8801186B2 (en) | 2010-10-15 | 2014-08-12 | Lensar, Inc. | System and method of scan controlled illumination of structures within an eye |
| US9180051B2 (en) | 2006-01-20 | 2015-11-10 | Lensar Inc. | System and apparatus for treating the lens of an eye |
| US9375349B2 (en) | 2006-01-20 | 2016-06-28 | Lensar, Llc | System and method for providing laser shot patterns to the lens of an eye |
| US9545338B2 (en) | 2006-01-20 | 2017-01-17 | Lensar, Llc. | System and method for improving the accommodative amplitude and increasing the refractive power of the human lens with a laser |
| US9889043B2 (en) | 2006-01-20 | 2018-02-13 | Lensar, Inc. | System and apparatus for delivering a laser beam to the lens of an eye |
| US10463541B2 (en) | 2011-03-25 | 2019-11-05 | Lensar, Inc. | System and method for correcting astigmatism using multiple paired arcuate laser generated corneal incisions |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3183519A (en) * | 1960-07-01 | 1965-05-11 | Te Company | System for optically determining curvature of an object |
| US3524702A (en) * | 1968-09-06 | 1970-08-18 | John G Bellows | Apparatus for objectively and automatically refracting the eye |
| US3811756A (en) * | 1972-12-07 | 1974-05-21 | W Anderson | Dual image refraction testing device |
| FR2252077A1 (enExample) * | 1973-11-26 | 1975-06-20 | Hoya Lens Co Ltd | |
| FR2364018A1 (fr) * | 1976-09-11 | 1978-04-07 | Battelle Institut E V | Procede et dispositif pour mesurer automatiquement la courbure de la cornee |
| FR2372617A1 (fr) * | 1976-12-02 | 1978-06-30 | Zeiss Carl Fa | Refractometre pour la determination automatique objective de l'etat de refringence d'un oeil |
| DE3020804A1 (de) * | 1979-06-02 | 1980-12-04 | Nippon Kogaku Kk | Augenrefraktometer |
-
1980
- 1980-12-30 FR FR8027794A patent/FR2497087A1/fr active Granted
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3183519A (en) * | 1960-07-01 | 1965-05-11 | Te Company | System for optically determining curvature of an object |
| US3524702A (en) * | 1968-09-06 | 1970-08-18 | John G Bellows | Apparatus for objectively and automatically refracting the eye |
| US3811756A (en) * | 1972-12-07 | 1974-05-21 | W Anderson | Dual image refraction testing device |
| FR2252077A1 (enExample) * | 1973-11-26 | 1975-06-20 | Hoya Lens Co Ltd | |
| FR2364018A1 (fr) * | 1976-09-11 | 1978-04-07 | Battelle Institut E V | Procede et dispositif pour mesurer automatiquement la courbure de la cornee |
| FR2372617A1 (fr) * | 1976-12-02 | 1978-06-30 | Zeiss Carl Fa | Refractometre pour la determination automatique objective de l'etat de refringence d'un oeil |
| DE3020804A1 (de) * | 1979-06-02 | 1980-12-04 | Nippon Kogaku Kk | Augenrefraktometer |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998009562A1 (de) * | 1996-09-07 | 1998-03-12 | Carl Zeiss Jena Gmbh | Keratometrische anordnung |
| US9180051B2 (en) | 2006-01-20 | 2015-11-10 | Lensar Inc. | System and apparatus for treating the lens of an eye |
| US8262646B2 (en) | 2006-01-20 | 2012-09-11 | Lensar, Inc. | System and method for providing the shaped structural weakening of the human lens with a laser |
| US10842675B2 (en) | 2006-01-20 | 2020-11-24 | Lensar, Inc. | System and method for treating the structure of the human lens with a laser |
| US9889043B2 (en) | 2006-01-20 | 2018-02-13 | Lensar, Inc. | System and apparatus for delivering a laser beam to the lens of an eye |
| US9545338B2 (en) | 2006-01-20 | 2017-01-17 | Lensar, Llc. | System and method for improving the accommodative amplitude and increasing the refractive power of the human lens with a laser |
| US9375349B2 (en) | 2006-01-20 | 2016-06-28 | Lensar, Llc | System and method for providing laser shot patterns to the lens of an eye |
| WO2009048858A1 (en) * | 2007-10-10 | 2009-04-16 | Bausch & Lomb Incorporated | Eye measurement apparatus and a method of using same |
| US8480659B2 (en) | 2008-07-25 | 2013-07-09 | Lensar, Inc. | Method and system for removal and replacement of lens material from the lens of an eye |
| US8500723B2 (en) | 2008-07-25 | 2013-08-06 | Lensar, Inc. | Liquid filled index matching device for ophthalmic laser procedures |
| US8465478B2 (en) | 2009-07-24 | 2013-06-18 | Lensar, Inc. | System and method for performing LADAR assisted procedures on the lens of an eye |
| US8617146B2 (en) | 2009-07-24 | 2013-12-31 | Lensar, Inc. | Laser system and method for correction of induced astigmatism |
| US8758332B2 (en) | 2009-07-24 | 2014-06-24 | Lensar, Inc. | Laser system and method for performing and sealing corneal incisions in the eye |
| US8382745B2 (en) | 2009-07-24 | 2013-02-26 | Lensar, Inc. | Laser system and method for astigmatic corrections in association with cataract treatment |
| US8556425B2 (en) | 2010-02-01 | 2013-10-15 | Lensar, Inc. | Purkinjie image-based alignment of suction ring in ophthalmic applications |
| US8801186B2 (en) | 2010-10-15 | 2014-08-12 | Lensar, Inc. | System and method of scan controlled illumination of structures within an eye |
| USD695408S1 (en) | 2010-10-15 | 2013-12-10 | Lensar, Inc. | Laser system for treatment of the eye |
| USD694890S1 (en) | 2010-10-15 | 2013-12-03 | Lensar, Inc. | Laser system for treatment of the eye |
| US10463541B2 (en) | 2011-03-25 | 2019-11-05 | Lensar, Inc. | System and method for correcting astigmatism using multiple paired arcuate laser generated corneal incisions |
| WO2012134931A1 (en) * | 2011-03-25 | 2012-10-04 | Lensar, Inc. | System and method for measuring and correcting astigmatism using laser generated corneal incisions |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2497087B1 (enExample) | 1985-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2497087A1 (fr) | Keratometre automatique | |
| EP0198759B1 (fr) | Appareil de mesure de la brillance de la peau | |
| CA1300934C (fr) | Procede de prise d'empreinte medicale et dispositif pour sa mise en oeuvre | |
| FR2518392A1 (fr) | Appareil pour l'examen des segments anterieurs de l'oeil | |
| EP2646789B9 (fr) | Procédé de détermination d'au moins une caractéristique de réfraction d'une lentille ophtalmique | |
| WO2011058244A1 (fr) | Procédé et dispositif de mesure automatique d'au moins une caractéristique de réfraction des deux yeux d'un individu | |
| FR2537428A1 (fr) | Procede et dispositif pour produire une image du fond de l'oeil | |
| FR2522804A1 (fr) | Appareil oculometre et son utilisation dans un systeme viseur de tete | |
| FR2756920A1 (fr) | Procede et dispositif pour la mesure par infrarouge de la temperature d'une surface | |
| CA1078170A (en) | Apparatus for testing the refractive power(s) of lenses | |
| JPH08500275A (ja) | 接眼レンズ蛍光光度計 | |
| JPH09509076A (ja) | 光学式眼底走査装置及び方法 | |
| EP0044770B1 (fr) | Réfractomètre objectif assisté par microprocesseur | |
| EP3111188B1 (fr) | Instrument optique pour identifier et localiser des microgravures présentes sur une lentille ophtalmique | |
| EP0395478B1 (fr) | Pupillomètre automatique entièrement statique | |
| JPH10276985A (ja) | 眼球の光学的データの検査装置 | |
| CN217285744U (zh) | 一种眼轴长测量系统 | |
| FR2654513A1 (fr) | Procede et dispositif pour la determiantion des caracteristiques d'un lentille, et, notamment, de sa puissance. | |
| WO2021048510A1 (fr) | Procédé d'évaluation de la stabilité d'un film lacrymal | |
| EP4099889B1 (fr) | Procédés et systèmes de contrôle de l'alignement de l'oeil dans un appareil d'imagerie ophtalmologique | |
| WO1988006859A1 (fr) | Dispositif d'observation de l'oeil utilisant la reflexion d'un rayonnement infrarouge par le globe oculaire | |
| FR2716543A1 (fr) | Procédé d'analyse topométrique de verres correcteurs, et appareils pour la mise en Óoeuvre de ce procédé. | |
| EP0052551A2 (fr) | Réfractomètre utilisant la méthode de l'angle limite | |
| FR2546055A1 (fr) | Procede et dispositif de refractometrie pour mesurer le degre d'ametropie et notamment le degre d'astigmatisme d'un oeil | |
| EP0426558B1 (fr) | Procédé de mesure automatique de kératométrie et appareil pour la mise en oeuvre de ce procédé |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |