SG11202100382QA - Systems and methods for dry eye analysis using terahertz radiation - Google Patents

Systems and methods for dry eye analysis using terahertz radiation

Info

Publication number
SG11202100382QA
SG11202100382QA SG11202100382QA SG11202100382QA SG11202100382QA SG 11202100382Q A SG11202100382Q A SG 11202100382QA SG 11202100382Q A SG11202100382Q A SG 11202100382QA SG 11202100382Q A SG11202100382Q A SG 11202100382QA SG 11202100382Q A SG11202100382Q A SG 11202100382QA
Authority
SG
Singapore
Prior art keywords
systems
methods
dry eye
terahertz radiation
eye analysis
Prior art date
Application number
SG11202100382QA
Inventor
Lin Ke
Hongwei Liu
Nan Zhang
Jod S Mehta
Yu Chi Liu
Original Assignee
Agency Science Tech & Res
Singapore Health Serv Pte 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 Agency Science Tech & Res, Singapore Health Serv Pte Ltd filed Critical Agency Science Tech & Res
Publication of SG11202100382QA publication Critical patent/SG11202100382QA/en

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
    • A61B3/101—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for examining the tear film
    • 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
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/0507—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves  using microwaves or terahertz waves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0223—Operational features of calibration, e.g. protocols for calibrating sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2576/00—Medical imaging apparatus involving image processing or analysis
    • A61B2576/02—Medical imaging apparatus involving image processing or analysis specially adapted for a particular organ or body part
    • 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, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14546—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring analytes not otherwise provided for, e.g. ions, cytochromes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4869—Determining body composition
    • A61B5/4875—Hydration status, fluid retention of the body

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Ophthalmology & Optometry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
SG11202100382QA 2018-07-13 2019-07-10 Systems and methods for dry eye analysis using terahertz radiation SG11202100382QA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG10201806041W 2018-07-13
PCT/SG2019/050338 WO2020013763A1 (en) 2018-07-13 2019-07-10 Systems and methods for dry eye analysis using terahertz radiation

Publications (1)

Publication Number Publication Date
SG11202100382QA true SG11202100382QA (en) 2021-02-25

Family

ID=69143319

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202100382QA SG11202100382QA (en) 2018-07-13 2019-07-10 Systems and methods for dry eye analysis using terahertz radiation

Country Status (3)

Country Link
US (1) US20210259540A1 (en)
SG (1) SG11202100382QA (en)
WO (1) WO2020013763A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200405146A1 (en) * 2019-06-28 2020-12-31 Topcon Corporation 2d multi-layer thickness measurement
CN117563147B (en) * 2023-12-12 2024-06-04 天津大学四川创新研究院 Portable small living animal eye terahertz radiation device and experimental method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8690331B2 (en) * 2011-08-29 2014-04-08 The Regents Of The University Of California Corneal hydration sensing system
CN104422702A (en) * 2013-08-30 2015-03-18 深圳先进技术研究院 Method for detecting cornea moisture based on terahertz
US10092209B2 (en) * 2014-10-03 2018-10-09 Advantest Corporation Non-invasive in situ glucose level sensing using electromagnetic radiation
US10939844B2 (en) * 2016-04-15 2021-03-09 The Regents Of The University Of California THz sensing of corneal tissue water content
US11262299B2 (en) * 2016-06-22 2022-03-01 3Dt Holdings, Llc Method and apparatus for non-invasive condition detection using an all fiber portable terahertz imaging system
FI127458B (en) * 2017-05-18 2018-06-29 Icare Finland Oy Apparatus and method for measuring physiological parameters of eye

Also Published As

Publication number Publication date
WO2020013763A1 (en) 2020-01-16
US20210259540A1 (en) 2021-08-26

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