GB2112543B - Objective refractor for the eye - Google Patents

Objective refractor for the eye

Info

Publication number
GB2112543B
GB2112543B GB08232428A GB8232428A GB2112543B GB 2112543 B GB2112543 B GB 2112543B GB 08232428 A GB08232428 A GB 08232428A GB 8232428 A GB8232428 A GB 8232428A GB 2112543 B GB2112543 B GB 2112543B
Authority
GB
United Kingdom
Prior art keywords
eye
objective refractor
refractor
objective
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
GB08232428A
Other versions
GB2112543A (en
Inventor
William Edwin 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.)
Humphrey Instruments Inc
Original Assignee
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 filed Critical Humphrey Instruments Inc
Publication of GB2112543A publication Critical patent/GB2112543A/en
Application granted granted Critical
Publication of GB2112543B publication Critical patent/GB2112543B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • 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
    • A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
    • 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
    • A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
    • A61B3/1035—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes for measuring astigmatism
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/10—Bifocal lenses; Multifocal lenses

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Optics & Photonics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Eye Examination Apparatus (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Eyeglasses (AREA)
GB08232428A 1980-10-31 1982-11-12 Objective refractor for the eye Expired GB2112543B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20253680A 1980-10-31 1980-10-31

Publications (2)

Publication Number Publication Date
GB2112543A GB2112543A (en) 1983-07-20
GB2112543B true GB2112543B (en) 1985-05-22

Family

ID=22750296

Family Applications (3)

Application Number Title Priority Date Filing Date
GB8132816A Expired GB2086609B (en) 1980-10-31 1981-10-30 Objective refractor for the eye
GB08232428A Expired GB2112543B (en) 1980-10-31 1982-11-12 Objective refractor for the eye
GB08502875A Expired GB2154756B (en) 1980-10-31 1985-02-05 Refractive optical element

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8132816A Expired GB2086609B (en) 1980-10-31 1981-10-30 Objective refractor for the eye

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB08502875A Expired GB2154756B (en) 1980-10-31 1985-02-05 Refractive optical element

Country Status (6)

Country Link
JP (1) JPS57131423A (en)
AU (1) AU553164B2 (en)
CA (1) CA1171706A (en)
CH (2) CH661198A5 (en)
DE (1) DE3143162A1 (en)
GB (3) GB2086609B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5985641A (en) * 1982-11-06 1984-05-17 株式会社トプコン Apparatus for measuring refractive index
JPS6185919A (en) * 1984-10-02 1986-05-01 株式会社トプコン Eye examination apparatus
DE4335244B4 (en) * 1993-10-15 2006-10-19 Daimlerchrysler Ag Arrangement for image recording
FR2714246B1 (en) * 1993-12-20 1996-01-12 Blanc Herve Joseph Method and system for determining the two-dimensional characteristic function of a photosensitive cell.
DE19635942A1 (en) * 1996-09-05 1998-03-12 Vitaly Dr Lissotschenko Optical beam shaping system
DE10104317C2 (en) * 2001-01-25 2003-04-30 4D Vision Gmbh lens assembly
DE10139355A1 (en) * 2001-08-17 2003-02-27 Lissotschenko Vitalij Arrangement and device for optical beam homogenization
DE10153397A1 (en) * 2001-11-01 2003-05-15 Plusoptix Ag Device and method for measuring refraction
DE10335271A1 (en) * 2003-08-01 2005-02-17 Hentze-Lissotschenko Patentverwaltungs Gmbh & Co.Kg Beam shaping device
DE10336957A1 (en) * 2003-08-07 2005-02-24 Hentze-Lissotschenko Patentverwaltungs Gmbh & Co.Kg Optical array to focus a light beam has a second group of lenses through which the light is directed at a first group of lenses
DE102004020250A1 (en) * 2004-04-26 2005-11-10 Hentze-Lissotschenko Patentverwaltungs Gmbh & Co. Kg Apparatus and method for optical beam homogenization
JP5124864B2 (en) 2006-06-07 2013-01-23 本田技研工業株式会社 Optical device and moving device
CN109222886B (en) * 2018-11-16 2024-04-12 苏州巨目光学科技有限公司 Diopter adjustable regulating eye
CN116058786B (en) * 2023-03-06 2023-07-07 北京鹰瞳科技发展股份有限公司 Method and device for determining fundus refraction topography, electronic equipment and storage medium

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1772567C3 (en) * 1968-06-04 1981-07-16 Agfa-Gevaert Ag, 5090 Leverkusen Method and device for the production of lens grids
GB1327231A (en) * 1970-01-07 1973-08-15 Nat Res Dev Fire detecting apparatus
US3641255A (en) * 1970-04-17 1972-02-08 Rca Corp Noninteracting lens system for a color encoding camera
GB1300300A (en) * 1970-10-15 1972-12-20 Alfred George Torr Improvements in and relating to screens used in photomechanical reproduction
NL7106346A (en) * 1971-05-08 1972-11-10
GB1377558A (en) * 1972-05-24 1974-12-18 Ferraris C Light producing signal device
JPS6049500B2 (en) * 1974-03-06 1985-11-02 ハンフリー・インストルメンツ・インコーポレーテツド Astigmatism effect variable device
US4070115A (en) * 1976-03-26 1978-01-24 Humphrey Instruments, Inc. Lens meter
JPS5469455A (en) * 1977-11-14 1979-06-04 Tokyo Optical Device for measuring astigmatism axis and refracting power
JPS5470688A (en) * 1977-11-16 1979-06-06 Nippon Chemical Ind Device for measuring eye refracting power
JPS55125844A (en) * 1979-03-20 1980-09-29 Canon Kk Optic refractometer

Also Published As

Publication number Publication date
AU553164B2 (en) 1986-07-03
GB2086609B (en) 1985-05-22
GB2086609A (en) 1982-05-12
CA1171706A (en) 1984-07-31
JPS57131423A (en) 1982-08-14
DE3143162C2 (en) 1988-04-21
GB2112543A (en) 1983-07-20
JPS6331214B2 (en) 1988-06-22
CH661198A5 (en) 1987-07-15
CH664888A5 (en) 1988-04-15
GB2154756A (en) 1985-09-11
GB2154756B (en) 1986-05-21
DE3143162A1 (en) 1982-07-29
GB8502875D0 (en) 1985-03-06
AU7681981A (en) 1982-05-06

Similar Documents

Publication Publication Date Title
DE3169818D1 (en) Intraocular lens
GB2066082B (en) Poerating endoscope
SG53186G (en) Ophthalmic lenses
JPS55160538A (en) Objective eye refraction device
DE3263586D1 (en) Contact lens for observation or irradiation of the eye
JPS5726836A (en) Binocular ophthalmoscope
DE3168137D1 (en) Endoscope
GB2086609B (en) Objective refractor for the eye
JPS56128912A (en) Sight scope
JPS56137324A (en) Microscope
GB2049216B (en) Ophthalmic microscope
DE3171758D1 (en) Intraocular lens
JPS5745839A (en) Objective reflectometer
JPS5781326A (en) Indirect ophthalmoscope for both eyes
GB2084754B (en) Microscope
JPS56116442A (en) Endoscope
JPS56130135A (en) Endoscope
GB2072871B (en) Afocal refractor telescopes
GB2055584B (en) Ocular phosthetic or the like
JPS56112218A (en) Endoscope
JPS56116440A (en) Endoscope
JPS56100035A (en) Endoscope
JPS5759532A (en) Eye lens
GB8423586D0 (en) Diopter adjustable eye piece
JPS56119224A (en) Endoscope

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19971030