WO2003011122A3 - Imaging apparatus and methods for near simultaneous observation of directly scattered light and multiply scattered light - Google Patents

Imaging apparatus and methods for near simultaneous observation of directly scattered light and multiply scattered light Download PDF

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Publication number
WO2003011122A3
WO2003011122A3 PCT/US2002/024254 US0224254W WO03011122A3 WO 2003011122 A3 WO2003011122 A3 WO 2003011122A3 US 0224254 W US0224254 W US 0224254W WO 03011122 A3 WO03011122 A3 WO 03011122A3
Authority
WO
WIPO (PCT)
Prior art keywords
scattered light
methods
imaging apparatus
multiply
directly
Prior art date
Application number
PCT/US2002/024254
Other languages
French (fr)
Other versions
WO2003011122A2 (en
Inventor
Ann E Elsner
Stephen A Burns
Andreas W Dreher
Robert H Webb
Original Assignee
Schepens Eye Res Inst
Ann E Elsner
Stephen A Burns
Andreas W Dreher
Robert H Webb
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 Schepens Eye Res Inst, Ann E Elsner, Stephen A Burns, Andreas W Dreher, Robert H Webb filed Critical Schepens Eye Res Inst
Publication of WO2003011122A2 publication Critical patent/WO2003011122A2/en
Publication of WO2003011122A3 publication Critical patent/WO2003011122A3/en

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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
    • A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4795—Scattering, i.e. diffuse reflection spatially resolved investigating of object in scattering medium

Abstract

An apparatus and a method are disclosed for separating light remitted by a target into a directly scattered light component and at least one multiply scattered light component, detecting the components at least substantially simultaneously, and forming independent sets of image information from each component. The apparatus and the method can be employed in conjunction with techniques such as scanning and tomograghy to attain precise imaging of biological tissue, including the retina of the eye.
PCT/US2002/024254 2001-07-31 2002-07-31 Imaging apparatus and methods for near simultaneous observation of directly scattered light and multiply scattered light WO2003011122A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/919,498 US6640124B2 (en) 1998-01-30 2001-07-31 Imaging apparatus and methods for near simultaneous observation of directly scattered light and multiply scattered light
US09/919,498 2001-07-31

Publications (2)

Publication Number Publication Date
WO2003011122A2 WO2003011122A2 (en) 2003-02-13
WO2003011122A3 true WO2003011122A3 (en) 2003-07-10

Family

ID=25442194

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/024254 WO2003011122A2 (en) 2001-07-31 2002-07-31 Imaging apparatus and methods for near simultaneous observation of directly scattered light and multiply scattered light

Country Status (2)

Country Link
US (1) US6640124B2 (en)
WO (1) WO2003011122A2 (en)

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US20020101566A1 (en) 2002-08-01
WO2003011122A2 (en) 2003-02-13
US6640124B2 (en) 2003-10-28

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