CA3053910A1 - Reflectometry instrument and method for measuring macular pigment - Google Patents

Reflectometry instrument and method for measuring macular pigment Download PDF

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Publication number
CA3053910A1
CA3053910A1 CA3053910A CA3053910A CA3053910A1 CA 3053910 A1 CA3053910 A1 CA 3053910A1 CA 3053910 A CA3053910 A CA 3053910A CA 3053910 A CA3053910 A CA 3053910A CA 3053910 A1 CA3053910 A1 CA 3053910A1
Authority
CA
Canada
Prior art keywords
macula
illumination beam
detection
illumination
detection beam
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.)
Pending
Application number
CA3053910A
Other languages
English (en)
French (fr)
Inventor
Scott J. Huter
Kevin Martin Magrini
Edward Allen Dehoog
Jeff Alan Burke
Nathan Franklin Engel
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.)
ZeaVision LLC
Original Assignee
ZeaVision LLC
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 ZeaVision LLC filed Critical ZeaVision LLC
Publication of CA3053910A1 publication Critical patent/CA3053910A1/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/12Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/0016Operational features thereof
    • A61B3/0025Operational features thereof characterised by electronic signal processing, e.g. eye models
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/0083Apparatus for testing the eyes; Instruments for examining the eyes provided with means for patient positioning
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/14Arrangements specially adapted for eye photography
    • A61B3/145Arrangements specially adapted for eye photography by video means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/14Arrangements specially adapted for eye photography
    • A61B3/15Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection ; with means for relaxing
    • A61B3/152Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection ; with means for relaxing for aligning
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02Details
    • G01J3/0202Mechanical elements; Supports for optical elements
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02Details
    • G01J3/0205Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0208Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using focussing or collimating elements, e.g. lenses or mirrors; performing aberration correction
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02Details
    • G01J3/0205Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/021Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using plane or convex mirrors, parallel phase plates, or particular reflectors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02Details
    • G01J3/0205Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0229Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using masks, aperture plates, spatial light modulators or spatial filters, e.g. reflective filters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02Details
    • G01J3/0205Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0237Adjustable, e.g. focussing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28Investigating the spectrum
    • G01J3/42Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/0008Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02Details
    • G01J3/0205Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0218Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using optical fibers

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Eye Examination Apparatus (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CA3053910A 2017-02-27 2018-02-02 Reflectometry instrument and method for measuring macular pigment Pending CA3053910A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762464028P 2017-02-27 2017-02-27
US62/464,028 2017-02-27
PCT/US2018/016658 WO2018156337A1 (en) 2017-02-27 2018-02-02 Reflectometry instrument and method for measuring macular pigment

Publications (1)

Publication Number Publication Date
CA3053910A1 true CA3053910A1 (en) 2018-08-30

Family

ID=63245837

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3053910A Pending CA3053910A1 (en) 2017-02-27 2018-02-02 Reflectometry instrument and method for measuring macular pigment

Country Status (6)

Country Link
US (3) US10506925B2 (enExample)
EP (1) EP3585247A4 (enExample)
JP (2) JP7179778B2 (enExample)
AU (1) AU2018225285B2 (enExample)
CA (1) CA3053910A1 (enExample)
WO (1) WO2018156337A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018156337A1 (en) * 2017-02-27 2018-08-30 Zeavision, Llc Reflectometry instrument and method for measuring macular pigment
US12440099B2 (en) 2020-06-18 2025-10-14 Prn Physician Recommended Nutriceuticals Llc Handheld device for measuring macular pigment
AU2021293945B2 (en) 2020-06-18 2023-05-11 Prn Physician Recommended Nutriceuticals Llc Handheld device for measuring macular pigment
DE102020120935A1 (de) * 2020-08-07 2022-02-10 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Detektor zur spektroskopie
USD1023313S1 (en) 2021-06-17 2024-04-16 Zeavision Llc Instrument for measuring eye-health characteristics

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Also Published As

Publication number Publication date
EP3585247A4 (en) 2020-10-07
JP7179778B2 (ja) 2022-11-29
US20200107723A1 (en) 2020-04-09
AU2018225285A1 (en) 2019-09-12
US11490810B2 (en) 2022-11-08
JP2020509908A (ja) 2020-04-02
JP2022167935A (ja) 2022-11-04
WO2018156337A1 (en) 2018-08-30
AU2018225285B2 (en) 2023-10-19
US10506925B2 (en) 2019-12-17
US20230116541A1 (en) 2023-04-13
EP3585247A1 (en) 2020-01-01
US20180242843A1 (en) 2018-08-30
US11998276B2 (en) 2024-06-04

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