JPH0347849B2 - - Google Patents

Info

Publication number
JPH0347849B2
JPH0347849B2 JP57139960A JP13996082A JPH0347849B2 JP H0347849 B2 JPH0347849 B2 JP H0347849B2 JP 57139960 A JP57139960 A JP 57139960A JP 13996082 A JP13996082 A JP 13996082A JP H0347849 B2 JPH0347849 B2 JP H0347849B2
Authority
JP
Japan
Prior art keywords
cornea
image
plate
curvature
opaque
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 - Lifetime
Application number
JP57139960A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5882105A (ja
Inventor
Jozuifu Sumaamoru Haintsu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS5882105A publication Critical patent/JPS5882105A/ja
Publication of JPH0347849B2 publication Critical patent/JPH0347849B2/ja
Granted 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
    • A61B3/10—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)
  • Length Measuring Devices By Optical Means (AREA)
JP57139960A 1981-08-13 1982-08-13 眼の角膜の曲率半径を測定する器具 Granted JPS5882105A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/292,513 US4439025A (en) 1981-08-13 1981-08-13 Variable circular dual image corneal radius measurement instrument
US292513 1994-08-18

Publications (2)

Publication Number Publication Date
JPS5882105A JPS5882105A (ja) 1983-05-17
JPH0347849B2 true JPH0347849B2 (en]) 1991-07-22

Family

ID=23124986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57139960A Granted JPS5882105A (ja) 1981-08-13 1982-08-13 眼の角膜の曲率半径を測定する器具

Country Status (3)

Country Link
US (1) US4439025A (en])
JP (1) JPS5882105A (en])
DE (1) DE3230401A1 (en])

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4660946A (en) * 1981-09-21 1987-04-28 Canon Kabushiki Kaisha Cornea shape measuring method and apparatus
JPS5875531A (ja) * 1981-10-28 1983-05-07 株式会社トプコン 曲率測定装置
DE3240760A1 (de) * 1982-11-04 1984-05-10 Moskovskij naučno-issledovatel'skij institut glaznych boleznej imeni Gel'mgol'ca, Moskva Verfahren zum auswaehlen einer kontaktschale zur korrektur des sehvermoegens
JPS61170433A (ja) * 1985-01-25 1986-08-01 株式会社ニコン 自動曲率測定装置
US4807989A (en) * 1986-01-14 1989-02-28 Olympus Optical Co., Ltd. Surgical microscope system
CA1296804C (en) * 1986-05-05 1992-03-03 Vladimir Portnoy Ocular topology system
US4902123A (en) * 1987-11-25 1990-02-20 Taunton Technologies, Inc. Topography measuring apparatus
US5106183A (en) * 1987-11-25 1992-04-21 Taunton Technologies, Inc. Topography measuring apparatus
US4998819A (en) * 1987-11-25 1991-03-12 Taunton Technologies, Inc. Topography measuring apparatus
JPH06137841A (ja) * 1992-10-29 1994-05-20 Nikon Corp 眼科測定装置
US7315359B2 (en) * 2004-12-31 2008-01-01 Dongbu Electronics Co., Ltd. Method for monitoring micro-lens curvature in-line
CN114322801B (zh) * 2021-12-17 2024-01-05 东风设备制造有限公司 一种基于平行双目机器视觉的轴类零件轴径测量方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4046463A (en) * 1974-07-17 1977-09-06 Surgical Microsystems, Inc. Indicating an asphericity of the cornea of an eye
JPS5312759A (en) * 1976-07-22 1978-02-04 Nippon Telegraph & Telephone Method of fabricating dot printer wire
US4157859A (en) * 1977-05-26 1979-06-12 Clifford Terry Surgical microscope system
US4165744A (en) * 1977-07-05 1979-08-28 Cravy Thomas V Dynamic keratometry and keratoscopy method and apparatus
JPS623122Y2 (en]) * 1979-03-13 1987-01-24
JPS579431A (en) * 1980-06-18 1982-01-18 Canon Kk Measuring system of radius of curvature of cornea

Also Published As

Publication number Publication date
DE3230401C2 (en]) 1988-06-30
JPS5882105A (ja) 1983-05-17
DE3230401A1 (de) 1983-03-03
US4439025A (en) 1984-03-27

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