ATE553693T1 - Erweitertes fokalregion-messgerät und -verfahren - Google Patents

Erweitertes fokalregion-messgerät und -verfahren

Info

Publication number
ATE553693T1
ATE553693T1 AT04798653T AT04798653T ATE553693T1 AT E553693 T1 ATE553693 T1 AT E553693T1 AT 04798653 T AT04798653 T AT 04798653T AT 04798653 T AT04798653 T AT 04798653T AT E553693 T1 ATE553693 T1 AT E553693T1
Authority
AT
Austria
Prior art keywords
section
focal region
derived
refractive index
light
Prior art date
Application number
AT04798653T
Other languages
English (en)
Inventor
Daniel Daly
Graeme Clark
Original Assignee
Lein Applied Diagnostics Ltd
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 Lein Applied Diagnostics Ltd filed Critical Lein Applied Diagnostics Ltd
Application granted granted Critical
Publication of ATE553693T1 publication Critical patent/ATE553693T1/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • 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
    • A61B3/1005—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring distances inside the eye, e.g. thickness of the cornea
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6814—Head
    • A61B5/6821—Eye
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Emergency Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Eye Examination Apparatus (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
AT04798653T 2003-12-12 2004-11-24 Erweitertes fokalregion-messgerät und -verfahren ATE553693T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0328866A GB2409033C (en) 2003-12-12 2003-12-12 Extended focal region measuring apparatus and method
PCT/GB2004/004946 WO2005058152A1 (en) 2003-12-12 2004-11-24 Extended focal region measuring apparatus and method

Publications (1)

Publication Number Publication Date
ATE553693T1 true ATE553693T1 (de) 2012-05-15

Family

ID=30130136

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04798653T ATE553693T1 (de) 2003-12-12 2004-11-24 Erweitertes fokalregion-messgerät und -verfahren

Country Status (5)

Country Link
US (1) US8078245B2 (de)
EP (1) EP1694199B1 (de)
AT (1) ATE553693T1 (de)
GB (1) GB2409033C (de)
WO (1) WO2005058152A1 (de)

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Also Published As

Publication number Publication date
GB0328866D0 (en) 2004-01-14
US8078245B2 (en) 2011-12-13
EP1694199A1 (de) 2006-08-30
GB2409033A (en) 2005-06-15
GB2409033B (en) 2006-05-24
US20070123761A1 (en) 2007-05-31
WO2005058152A1 (en) 2005-06-30
EP1694199B1 (de) 2012-04-18
GB2409033C (en) 2006-05-24

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