DE2925951C2 - Instrument zur Messung optischer Parameter - Google Patents

Instrument zur Messung optischer Parameter

Info

Publication number
DE2925951C2
DE2925951C2 DE2925951A DE2925951A DE2925951C2 DE 2925951 C2 DE2925951 C2 DE 2925951C2 DE 2925951 A DE2925951 A DE 2925951A DE 2925951 A DE2925951 A DE 2925951A DE 2925951 C2 DE2925951 C2 DE 2925951C2
Authority
DE
Germany
Prior art keywords
optical
instrument
calibration
computer
light
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.)
Expired
Application number
DE2925951A
Other languages
German (de)
English (en)
Other versions
DE2925951A1 (de
Inventor
William E. Dr.Phys. San Leandro Calif. Humphrey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Allergan Humphrey
Original Assignee
HUMPHREY INSTRUMENTS Inc 94577 SAN LEANDRO CALIF US
Humphrey Instruments Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HUMPHREY INSTRUMENTS Inc 94577 SAN LEANDRO CALIF US, Humphrey Instruments Inc filed Critical HUMPHREY INSTRUMENTS Inc 94577 SAN LEANDRO CALIF US
Publication of DE2925951A1 publication Critical patent/DE2925951A1/de
Application granted granted Critical
Publication of DE2925951C2 publication Critical patent/DE2925951C2/de
Expired legal-status Critical Current

Links

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
    • A61B3/0016—Operational features thereof
    • A61B3/0066—Operational features thereof with identification means for the apparatus
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02—Testing optical properties
    • G01M11/0221—Testing optical properties by determining the optical axis or position of lenses

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Eye Examination Apparatus (AREA)
DE2925951A 1978-06-28 1979-06-27 Instrument zur Messung optischer Parameter Expired DE2925951C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/920,313 US4199816A (en) 1978-06-28 1978-06-28 Optical calibration apparatus and procedure

Publications (2)

Publication Number Publication Date
DE2925951A1 DE2925951A1 (de) 1980-01-10
DE2925951C2 true DE2925951C2 (de) 1982-11-25

Family

ID=25443550

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2925951A Expired DE2925951C2 (de) 1978-06-28 1979-06-27 Instrument zur Messung optischer Parameter

Country Status (3)

Country Link
US (1) US4199816A (https=)
JP (1) JPS558800A (https=)
DE (1) DE2925951C2 (https=)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4407572A (en) * 1980-06-12 1983-10-04 Humphrey Instruments, Inc. Keratometer
US4420228A (en) * 1980-06-12 1983-12-13 Humphrey Instruments, Inc. Method and apparatus for analysis of corneal shape
FR2486795A1 (fr) * 1980-07-21 1982-01-22 France Etat Refractometre objectif assiste par microprocesseur
JPS57197404A (en) * 1981-05-29 1982-12-03 Nippon Kogaku Kk <Nikon> Measuring method of radius of curvature
JPS61209632A (ja) * 1985-03-14 1986-09-17 株式会社ニコン 眼科装置
US4866644A (en) * 1986-08-29 1989-09-12 Shenk John S Optical instrument calibration system
JPS6384899U (https=) * 1986-11-25 1988-06-03
EP0290013B1 (en) * 1987-05-06 1996-03-13 Fuji Photo Film Co., Ltd. Densitometer and its use
JPS6323640A (ja) * 1987-05-29 1988-01-30 株式会社　ニデック 眼科装置
US5621203A (en) * 1992-09-25 1997-04-15 Symbol Technologies Method and apparatus for reading two-dimensional bar code symbols with an elongated laser line
US5041997A (en) * 1989-02-06 1991-08-20 Hewlett-Packard Company Lightwave component analyzer
US5175492A (en) * 1989-08-08 1992-12-29 Hewlett-Packard Company Calibration and error correction for electrical-source-to-e/o-device impedance mismatch and o/e-device-to-electrical-receiver impedance mismatch in a lightwave component analyzer
US5175594A (en) * 1990-04-16 1992-12-29 Allergan Humphrey Lensmeter with correction for refractive index and spherical aberration
US5247341A (en) * 1990-07-11 1993-09-21 Nidek Co., Ltd. Lensmeter for automatically measuring optical characteristic of a power lens
US5218190A (en) * 1990-09-28 1993-06-08 Symbol Technologies, Inc. Means and method for non-contact bar code label verification
US5742038A (en) * 1990-09-28 1998-04-21 Symbol Technologies, Inc. Beam shaping for optical scanners
US5720293A (en) * 1991-01-29 1998-02-24 Baxter International Inc. Diagnostic catheter with memory
US5553622A (en) * 1991-01-29 1996-09-10 Mckown; Russell C. System and method for controlling the temperature of a catheter-mounted heater
US6387052B1 (en) * 1991-01-29 2002-05-14 Edwards Lifesciences Corporation Thermodilution catheter having a safe, flexible heating element
US5859417A (en) * 1991-06-14 1999-01-12 Symbol Technologies, Inc. Optical scanners having dual surface optical elements for dual working ranges
US6948662B2 (en) 1991-07-25 2005-09-27 Symbol Technologies, Inc. Two-dimensional optical code scanner with scanning pattern having region of greater apparent brightness for assisting alignment of scanning pattern
US6382513B1 (en) 1991-07-25 2002-05-07 Symbol Technologies, Inc. Optical scanner with segmented collection mirror
US5585873A (en) * 1991-10-11 1996-12-17 Alcon Laboratories, Inc. Automated hand-held keratometer
JP3150404B2 (ja) * 1992-02-25 2001-03-26 株式会社トーメー 光学系における屈折力の測定方法および測定装置
JPH06165757A (ja) * 1992-11-30 1994-06-14 Nikon Corp 検影型他覚眼屈折力測定装置
US5889883A (en) * 1995-01-23 1999-03-30 Mars Incorporated Method and apparatus for optical sensor system and optical interface circuit
CA2580841C (en) 1995-03-17 2008-08-05 Symbol Technologies, Inc. System and method for reading optically encoded information
US6029893A (en) * 1995-05-22 2000-02-29 Symbol Technologies, Inc. Optical scanner having a reflected light collector including holographic optical elements
AU1386899A (en) 1997-11-06 1999-05-31 Visx Incorporated Systems and methods for calibrating laser ablations
GB2332270A (en) * 1997-12-10 1999-06-16 Mars Inc Charge storage photoelectric measurement
JP3630973B2 (ja) 1998-02-27 2005-03-23 株式会社ニデック 眼科装置及び眼科装置における検眼情報の保存方法
US6382793B1 (en) 2000-05-20 2002-05-07 Carl Zeiss, Inc. Method and apparatus for measuring a wavefront
US20130321773A1 (en) * 2012-06-05 2013-12-05 Cheng-Chung Lee Optometric Automatic Test Device and Method

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912395A (en) * 1970-04-06 1975-10-14 Itek Corp Optical system calibration method
US3671748A (en) * 1970-08-24 1972-06-20 Computervision Corp Method and apparatus for positioner calibration system
US3762821A (en) * 1971-01-25 1973-10-02 Bell Telephone Labor Inc Lens assembly
US3847485A (en) * 1972-05-25 1974-11-12 Zygo Corp Optical noncontacting surface sensor for measuring distance and angle of a test surface
US3836258A (en) * 1972-12-15 1974-09-17 Grumman Aerospace Corp Angular orientation measuring apparatus
US3880525A (en) * 1974-05-08 1975-04-29 American Optical Corp Method and apparatus for determining the refractive characteristics of a lens
JPS5156627A (en) * 1974-11-13 1976-05-18 Canon Kk Butsutaizosenmeidokenshutsuhoshiki
US4007990A (en) * 1975-05-23 1977-02-15 Acuity Systems, Incorporated Apparatus and method for measuring refractive properties of a sphero-cylindrical optical system
US4029419A (en) * 1975-10-10 1977-06-14 International Business Machines Corporation Textile color analyzer calibration
JPS52131753A (en) * 1976-04-28 1977-11-04 Okuma Machinery Works Ltd Measuring device
JPS52140353A (en) * 1976-05-18 1977-11-22 Agency Of Ind Science & Technol Detecting method for light spot
US4078171A (en) * 1976-06-14 1978-03-07 Honeywell Inc. Digital auto focus
US4090790A (en) * 1976-07-08 1978-05-23 American Optical Corporation Apparatus for testing the refractive power(s) of lenses
US4123163A (en) * 1976-11-12 1978-10-31 American Optical Corporation Lens power display in prescription form
US4082463A (en) * 1977-01-06 1978-04-04 Systems Research Laboratories, Inc. Calibrated optical micrometer
US4102575A (en) * 1977-03-28 1978-07-25 Acuity Systems, Incorporated Back vertex annular aperture

Also Published As

Publication number Publication date
DE2925951A1 (de) 1980-01-10
US4199816A (en) 1980-04-22
JPS645249B2 (https=) 1989-01-30
JPS558800A (en) 1980-01-22

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Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination
8327 Change in the person/name/address of the patent owner

Owner name: ALLERGAN HUMPHREY, SAN LEANDRO, CALIF., US

8339 Ceased/non-payment of the annual fee