HK17385A - Compact subjective refractive instrument - Google Patents

Compact subjective refractive instrument

Info

Publication number
HK17385A
HK17385A HK173/85A HK17385A HK17385A HK 17385 A HK17385 A HK 17385A HK 173/85 A HK173/85 A HK 173/85A HK 17385 A HK17385 A HK 17385A HK 17385 A HK17385 A HK 17385A
Authority
HK
Hong Kong
Prior art keywords
compact
subjective refractive
refractive instrument
instrument
subjective
Prior art date
Application number
HK173/85A
Other languages
English (en)
Inventor
Staffan B Persson
Robert B Jackaberry
Original Assignee
Warner Lambert Tech
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 Warner Lambert Tech filed Critical Warner Lambert Tech
Publication of HK17385A publication Critical patent/HK17385A/xx

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
    • A61B3/13—Ophthalmic microscopes

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)
  • Prostheses (AREA)
  • Lenses (AREA)
HK173/85A 1977-09-30 1985-03-14 Compact subjective refractive instrument HK17385A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/838,178 US4179196A (en) 1977-09-30 1977-09-30 Compact subjective refractive instrument

Publications (1)

Publication Number Publication Date
HK17385A true HK17385A (en) 1985-03-22

Family

ID=25276477

Family Applications (1)

Application Number Title Priority Date Filing Date
HK173/85A HK17385A (en) 1977-09-30 1985-03-14 Compact subjective refractive instrument

Country Status (10)

Country Link
US (1) US4179196A (de)
JP (1) JPS5454492A (de)
AT (1) AT383027B (de)
AU (1) AU521938B2 (de)
CA (1) CA1097112A (de)
CH (1) CH637010A5 (de)
DE (1) DE2829955A1 (de)
FR (1) FR2404422A1 (de)
GB (1) GB2005437B (de)
HK (1) HK17385A (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180323A (en) * 1977-09-30 1979-12-25 American Optical Corporation Alignment system and ophthalmic instrument incorporating the same
FR2437818A1 (fr) * 1978-10-05 1980-04-30 Essilor Int Procede et dispositif pour la presentation de tests a un sujet a differentes distances
JPS55143127A (en) * 1979-04-27 1980-11-08 Tokyo Optical Ophthalmoscopy device which can inspect at near distance
US4367015A (en) * 1980-10-30 1983-01-04 Warner Lambert Technologies, Inc. Control means for optical instrumentation
US4943162A (en) * 1984-11-09 1990-07-24 Sims Clinton N Astigmatic self-refractor and method of use
US4820040A (en) * 1984-11-09 1989-04-11 Sims Clinton N Crossed cylinder lenses refractor and method of use
US5285224A (en) * 1984-11-09 1994-02-08 Sims Clinton N Methods and apparatus for determining refractive error
US5500698A (en) * 1984-11-09 1996-03-19 Sims; Clinton N. Optical instruments such as retinoscopes which may incorporate multiple lens assemblies and methods of calibrating such instruments
US4840479A (en) * 1984-11-09 1989-06-20 Sims Clinton N Crossed cylinder lenses refractor with three-lens variable crossed cylinder assembly and method of use
US5430508A (en) * 1984-11-09 1995-07-04 Sims; Clinton N. Refraction techniques using modified streak retinoscope assembly
US5120124A (en) * 1984-11-09 1992-06-09 Sims Clinton N Devices for determining the crossed cylinder powers and axes for multiple lens sets
US5953101A (en) * 1995-01-12 1999-09-14 Wound Healing Of Oklahoma Vision collimator
WO2024147764A1 (en) * 2023-01-06 2024-07-11 National University Of Singapore An eye testing device and methods of using the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6807941U (de) * 1968-11-21 1969-05-29 Rodenstock Optik G Verbesserung an refraktometern
US3669530A (en) * 1970-01-26 1972-06-13 David Guyton Lens for target image displacement in a lens measuring instrument
US3785723A (en) * 1973-02-27 1974-01-15 D Guyton Method and apparatus for locating a principal meridian of an astigmatic optical system
US3927933A (en) * 1973-08-06 1975-12-23 Humphrey Instruments Inc Apparatus for opthalmological prescription readout
US3947097A (en) * 1974-03-18 1976-03-30 Humphrey Instruments, Inc. Process and apparatus for astigmatic and spherical subjective testing of the eye
FR2291620A1 (fr) * 1974-11-12 1976-06-11 Lb Air Dispositif de shuntage a connexion electrique directe en particulier pour modules de raccordement etanche
US4105302A (en) * 1976-06-23 1978-08-08 Tate Jr George W Automatic refraction apparatus and method
US4180323A (en) * 1977-09-30 1979-12-25 American Optical Corporation Alignment system and ophthalmic instrument incorporating the same

Also Published As

Publication number Publication date
AT383027B (de) 1987-05-11
AU3812278A (en) 1980-01-24
AU521938B2 (en) 1982-05-06
ATA633278A (de) 1986-10-15
US4179196A (en) 1979-12-18
GB2005437A (en) 1979-04-19
GB2005437B (en) 1982-03-24
CH637010A5 (de) 1983-07-15
JPS5454492A (en) 1979-04-28
CA1097112A (en) 1981-03-10
DE2829955A1 (de) 1979-04-12
FR2404422B1 (de) 1983-07-29
FR2404422A1 (fr) 1979-04-27

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