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|
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1966-04-26 |
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Photokera ixoscolxe wit with reflecting rings
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1911-03-22 |
1911-10-24 |
Meyrowitz Mfg Co |
Ophthalmometer.
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*
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1922-12-18 |
1929-07-16 |
American Optical Corp |
Eye-examining instrument
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(en)
*
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1927-07-07 |
1930-03-18 |
Carl F Lomb |
Ophthalmometer
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*
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1937-01-11 |
1939-09-26 |
Zeiss Carl Fa |
Ophthalmometer
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(en)
*
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1959-09-10 |
1963-10-29 |
Nuchman Benjamin |
Apparatus for fitting contact lenses
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US3141396A
(en)
*
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1961-09-27 |
1964-07-21 |
Kimball Oliver Paul |
Corneal profilometer
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*
|
1962-09-11 |
1969-03-11 |
Joseph W Soper |
Keratometer with adjustable fixation target attachment for determining corneal topography
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*
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1963-03-11 |
1965-02-16 |
Michael A Friedberg |
Method of determining surface contours of an eye
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|
1964-05-27 |
1966-08-09 |
Charles E Hendricks |
Method and device for presenting a visual comparison of two different curved surfaces
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1964-08-17 |
1968-12-17 |
Francis H. Mcclernon |
Device for measuring the cornea
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1964-10-01 |
1968-10-08 |
Obrig Lab Inc |
Ophthalmometer and method of measuring curvature of a cornea
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1965-05-11 |
1969-12-30 |
Mario Maselli |
Refractometer with compensating photocells
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*
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1965-11-05 |
1970-12-01 |
Plastic Contact Lens Co |
Optical instruments
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1965-11-29 |
1969-05-06 |
Michael A Friedberg |
Apparatus for measuring and plotting the surface contour of the eye by the use of sonic compressional waves
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1966-09-14 |
1969-12-30 |
David Volk |
Apparatus for measuring the eccentricity of an approximately conicoid surface
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1967-04-17 |
1969-07-01 |
Univ California |
Automatic photoelectric keratometer utilizing a cathode ray tube sweep circuit which is symmetrically triggered by light from extremities of the measured surface
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1968-03-05 |
1970-11-24 |
David Volk |
Method for measurement of the shape and curvature of a cornea
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1968-07-05 |
1970-10-27 |
Battelle Development Corp |
Apparatus for determining corneal curvature and the like
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1968-11-26 |
1971-08-10 |
Plastic Contact Lens Co |
Apparatus for determining cornea contour
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1968-11-26 |
1971-01-05 |
David Volk |
Hand-held apparatus for determining the eccentricity of a cornea
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1969-08-05 |
1971-03-30 |
Us Air Force |
Infrared optometer
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1970-01-02 |
1972-01-11 |
David Guyton |
Optical system for imaging scheiner apertures in an optometer
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1970-01-26 |
1972-06-13 |
David Guyton |
Lens for target image displacement in a lens measuring instrument
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1970-02-25 |
1972-05-23 |
David Guyton |
Cylindrical lens systems for simultaneous bimeridional measurement in a lens measuring instrument
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1971-02-08 |
1972-09-05 |
|
Method for measurement of the shape and curvature of a cornea |
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1972-06-05 |
1974-03-19 |
Temco Mfg Co |
Photographing apparatus for determining corneal radius
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NL7314719A
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1972-12-22 |
1974-06-25 |
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1973-04-23 |
1975-03-18 |
Tropel |
Eye examining instrument aligning means and method therefor
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1973-05-07 |
1975-04-22 |
Howard C Howland |
Photo-refractometer and methods for ophthalmic testing of young children
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JPS5714803Y2
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1973-05-22 |
1982-03-27 |
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JPS5313113B2
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1973-11-26 |
1978-05-08 |
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1974-06-20 |
1980-04-08 |
Propper Manufacturing Co., Inc. |
Opthalmoscope examination pattern having light transmissive fixation point
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1974-08-01 |
1976-08-03 |
Precision-Cosmet Company, Inc. |
Auxiliary lens holder device for use with a keratometer
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1975-04-07 |
1976-07-13 |
Nippon Kogaku K.K. |
Curvature measuring optical system in ophthalmometer
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1976-01-19 |
1977-04-26 |
Baylor College Of Medicine |
Optical apparatus for obtaining measurements of portions of the eye
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1976-04-02 |
1979-02-15 |
Fa. Carl Zeiss, 7920 Heidenheim |
Kombinationsgerät zur Augenuntersuchung
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1976-09-11 |
1981-12-17 |
Battelle-Institut E.V., 6000 Frankfurt |
Vorrichtung zur Messung der Hornhautkrümmung
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1976-09-25 |
1978-03-30 |
Zeiss Carl Fa |
Vorrichtung zur ermittlung von hornhautastigmatismus am menschlichen auge
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1977-04-15 |
1980-06-12 |
Fa. Carl Zeiss, 7920 Heidenheim |
Handaugenspiegel
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1977-05-26 |
1979-06-12 |
Clifford Terry |
Surgical microscope system
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1977-07-05 |
1979-08-28 |
Cravy Thomas V |
Dynamic keratometry and keratoscopy method and apparatus
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1977-09-21 |
1981-10-06 |
Canon Kabushiki Kaisha |
Eye refractometer
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1977-09-30 |
1979-12-25 |
American Optical Corporation |
Alignment system and ophthalmic instrument incorporating the same
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1977-09-30 |
1979-07-31 |
Trachtman Joseph N |
Apparatus and methods for directly measuring the refraction of the eye
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JPS5469455A
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1977-11-14 |
1979-06-04 |
Tokyo Optical |
Device for measuring astigmatism axis and refracting power
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*
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1978-02-07 |
1980-10-16 |
Optische Werke G. Rodenstock, 8000 Muenchen |
Fototopometer
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1978-06-28 |
1980-04-22 |
Humphrey Instruments, Inc. |
Optical calibration apparatus and procedure
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JPS5542624A
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1978-09-20 |
1980-03-26 |
Canon Kk |
Automatic eye refraction measuring system
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JPS5586437A
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1978-12-22 |
1980-06-30 |
Nippon Chemical Ind |
Objective eye refractive power measuring device
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1979-02-22 |
1981-03-17 |
Velotron Machine Corp. |
Cornea-examining instrument
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1979-02-28 |
1983-02-15 |
Crane Hewitt D |
Accurate three dimensional eye tracker
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1979-04-27 |
1980-11-08 |
Tokyo Optical |
Target image turning device in eye refractometer
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JPS55155631A
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1979-05-21 |
1980-12-04 |
Tokyo Optical |
Projector for target in infrared eye refractometer
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JPS55160538A
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1979-06-02 |
1980-12-13 |
Nippon Chemical Ind |
Objective eye refraction device
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1979-07-24 |
1986-05-07 |
Zeiss Jena Veb Carl |
Anordnung zur testbilddrehung in augenrefraktometern
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JPS5652032A
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1979-10-05 |
1981-05-09 |
Canon Kk |
Eye refrating force measuring apparatus
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1980-06-12 |
1983-10-04 |
Humphrey Instruments, Inc. |
Keratometer
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1980-06-12 |
1983-12-13 |
Humphrey Instruments, Inc. |
Method and apparatus for analysis of corneal shape
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1980-07-14 |
1982-10-26 |
Diversitronics, Inc. |
Keratometer
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1980-07-21 |
1982-01-22 |
France Etat |
Refractometre objectif assiste par microprocesseur
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1980-10-31 |
1984-02-07 |
Mocilac Joseph P |
Keratometric device
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1980-12-05 |
1983-08-02 |
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Method for determining the curvature of a cornea
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1981-05-29 |
1986-02-25 |
Nippon Kogaku K.K. |
Method of and apparatus for measuring radius
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1981-06-04 |
1982-12-08 |
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Self-knowledge eye refractive force measuring apparatus
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1981-06-25 |
1984-06-12 |
Tokyo Kogaku Kikai Kabushiki Kaisha |
Apparatus for detecting the position of a patient's eye in ophthalmologic instruments
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1981-06-29 |
1983-01-13 |
Rudolf Riester Gmbh & Co Kg, Fabrik Med. Apparate, 7455 Jungingen |
Diagnosegeraet mit/beleuchtung und abschaltautomatik
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1981-09-21 |
1987-04-28 |
Canon Kabushiki Kaisha |
Cornea shape measuring method and apparatus
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1981-10-28 |
1983-05-07 |
株式会社トプコン |
曲率測定装置
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1981-10-30 |
1986-08-19 |
Schachar Ronald A |
Method for measuring intraoperative and immediate postoperative effects of radial keratotomy
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1981-10-30 |
1984-04-03 |
Schachar Ronald A |
Method and device for measuring the optical power of the cornea
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1981-11-30 |
1985-01-01 |
Surgidev Corporation |
Hand-held keratometer
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1982-02-12 |
1986-10-16 |
Helmut Dr.rer.nat. 8000 München Krueger |
Vorrichtung zur Bestimmung des Refraktionszustandes des menschlichen Auges
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1982-08-31 |
1986-02-11 |
Moskovsky Nauchno-Issledovatelsky Institut Glaznykh Boleznei Imeni Gelmgoltsa |
Method and device for determining cornea surface topography
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1982-10-05 |
1986-09-02 |
Canon Kabushiki Kaisha |
Method of and apparatus for measuring refractive characteristics
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1982-10-21 |
1987-12-01 |
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Cornea shape measuring apparatus
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1982-10-26 |
1985-09-10 |
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Keratometer having peripheral light entrance and exit paths
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1983-01-25 |
1985-08-06 |
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Methods and apparatus for accommodation training
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1983-01-25 |
1987-04-28 |
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Methods and apparatus for accommodation training
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1983-04-01 |
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Keratometer Research And Development |
Keratometer
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1983-11-07 |
1987-09-08 |
Adachi Iwao P |
Real-time analysis keratometer
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1984-06-12 |
1986-01-06 |
キヤノン株式会社 |
自動視力計
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1984-10-18 |
1987-05-05 |
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Scanning keratometers
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1988-08-02 |
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Apparatus and method for determining corneal and scleral topography
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1984-12-07 |
1988-08-02 |
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Eye refractometer
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Topographical mapping, depth measurement, and cutting systems for performing radial keratotomy and the like
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1985-02-15 |
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Somec, Inc. |
Portable scanning digital pupillometer and method of use thereof
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1985-07-03 |
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工業技術院長 |
眼球屈折力測定装置
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1985-10-12 |
1987-04-23 |
Zeiss Carl Fa |
Vorrichtung zur beruehrungslosen abschnittsweisen messung der gestalt von gekruemmten, optisch wirksamen flaechen
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1985-11-25 |
1987-06-03 |
キヤノン株式会社 |
眼屈折計
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1985-12-28 |
1988-06-28 |
Kigaku Kikai Kabushiki Kaisha |
Visual acuity testing apparatus
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1986-09-02 |
1988-09-20 |
Computed Anatomy Incorporated |
Illuminated ring keratometer device
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1986-11-06 |
1988-10-25 |
David Miller |
Photokeratometric device
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1987-01-14 |
1988-12-01 |
Aguirre Vila-Coro Alejandro |
Linterna perfeccionada
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JPH0820666B2
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1987-02-24 |
1996-03-04 |
旭光学工業株式会社 |
フアインダ−装置
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1987-06-09 |
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Siemens Ag |
Integrale temperaturmessung in elektrischen maschinen.
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1987-11-04 |
1989-09-05 |
Computed Anatomy Inc. |
System for topographical modeling of anatomical surfaces
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1988-06-27 |
1995-03-01 |
Ryusyo Industrial Co., Ltd. |
Apparatus for measuring refractive power of eye
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1988-08-05 |
1989-11-21 |
Cambridge Instruments, Inc. |
Optical alignment system
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1990-04-16 |
1992-10-20 |
Allergan Humphrey |
Objective refractor
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1991-09-11 |
1993-02-23 |
Welch Allyn, Inc. |
Retinoscope with external control sleeve
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1991-10-11 |
1996-12-17 |
Alcon Laboratories, Inc. |
Automated hand-held keratometer
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