WO2021216096A1 - Dispositif ophtalmique à auto-balayage - Google Patents

Dispositif ophtalmique à auto-balayage Download PDF

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Publication number
WO2021216096A1
WO2021216096A1 PCT/US2020/031480 US2020031480W WO2021216096A1 WO 2021216096 A1 WO2021216096 A1 WO 2021216096A1 US 2020031480 W US2020031480 W US 2020031480W WO 2021216096 A1 WO2021216096 A1 WO 2021216096A1
Authority
WO
WIPO (PCT)
Prior art keywords
self
flash
ped
light
microprocessor
Prior art date
Application number
PCT/US2020/031480
Other languages
English (en)
Inventor
Joshua R. TARZIA
Vincent J. GIOVINAZZO
Devin F. Hosea
William F. VAUGHN
Original Assignee
Pupilscan Corporation
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 Pupilscan Corporation filed Critical Pupilscan Corporation
Publication of WO2021216096A1 publication Critical patent/WO2021216096A1/fr

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
    • A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
    • 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
    • A61B3/11—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils
    • A61B3/112—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils for measuring diameter of pupils
    • 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
    • A61B3/14—Arrangements specially adapted for eye photography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
    • A61B5/163—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state by tracking eye movement, gaze, or pupil change
    • 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
    • A61B5/4845—Toxicology, e.g. by detection of alcohol, drug or toxic products

Definitions

  • Fig. 1 illustrates a rear view of a smartphone 10 suitable for self-scanning in accord with a first embodiment.
  • the back 12 of the smartphone 10 is the side without a visual display screen.
  • the back includes lens 14 that is optically connected to an internal camera and a light emitting diode (LED) flash 16.
  • LED light emitting diode
  • the user holds the smartphone 10 away from their face with the back 12 directed at their face.
  • Positioning the lens 14 to acquire the PLR is achieved by verbal prompts, audio prompts, haptic feedback and combinations thereof.
  • the LED flash 16 produces the stimulus for the PLR.
  • Fig. 2 illustrates a front view of a smartphone 20 adapted for self-scanning in accord with a second embodiment and Fig.
  • the guidance system facilitates the user, or another person, to position the phone properly with respect to the eyes of the scanee.
  • Guidance requires the eyes of the scanee to be identified in a frame, so they can be located and focused upon.
  • a first guidance method identifies the face as an ensemble of landmarks. Landmarks are features common to all face, such as eyes, ears, nose and mouth, among other features. Among the landmarks are eyes and irises, which are directly used to guide the smartphone and camera. )
  • a second guidance method is to first detect the face. Then, once the face has been detected, to employ a more specific technique to identify the eyes and the irises. The eyes and irises are then used to guide the user to an acceptable position for a scan.
  • a neural network or direct algorithmic approach can be used. These include, but are not limited to a YOLO (you only look once) network, an RCNN (regions with convolutional neural network), and a Viola- Jones algorithm. )
  • a scan is taken.
  • the scan is a video captured of the face and eyes.
  • the video may be captured by streaming or non-streaming methods and is nominally runs for six seconds.
  • streaming the video frames are transmitted from the front end (smartphone) to the backend (located on the smartphone or at a remote location).
  • the video is transmitted in chunks that contain compressed video and audio channel information from which redundant inter-frame and intra-frame information has been removed and from which frame images are constructed on receipt.

Abstract

Dipositif à auto-balayage conçu pour capturer un reflex de lumière pupillaire (PER). Le dispositif possède un dispositif électronique individuel (PED) ayant un côté avant présentant un écran d'affichage visuel et une caméra faisant face vers l'avant. De plus, un dispositif de stimulation de lumière présente un logement apposé de manière amovible au PED. Un flash à diode électroluminescente (DEL) renfermé à l'intérieur du logement est aligné sur le côté avant du PED, une source d'alimentation électriquement reliée au flash à DEL, un commutateur de marche/arrêt électriquement disposé entre le flash à DEL et la source d'alimentation, un microprocesseur électriquement interconnecté au commutateur de marche/arrêt et un récepteur électriquement interconnecté avec le microprocesseur, le récepteur conçu pour recevoir des instructions du PED et transmettre ces instructions au microprocesseur.
PCT/US2020/031480 2020-04-19 2020-05-05 Dispositif ophtalmique à auto-balayage WO2021216096A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202016852491A 2020-04-19 2020-04-19
US16/852,491 2020-04-19

Publications (1)

Publication Number Publication Date
WO2021216096A1 true WO2021216096A1 (fr) 2021-10-28

Family

ID=78269876

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2020/031480 WO2021216096A1 (fr) 2020-04-19 2020-05-05 Dispositif ophtalmique à auto-balayage

Country Status (1)

Country Link
WO (1) WO2021216096A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120257166A1 (en) * 2011-04-07 2012-10-11 Raytheon Company Portable self-retinal imaging device
US20140268053A1 (en) * 2013-03-15 2014-09-18 William Fabian Eye Imaging Apparatus
CN106778567A (zh) * 2016-12-05 2017-05-31 望墨科技（武汉）有限公司 一种通过神经网络来进行虹膜识别的方法
US20180153399A1 (en) * 2015-05-05 2018-06-07 Arizona Board Of Regents On Behalf Of The University Of Arizona Smartphone-based handheld ophthalmic examination devices
US10034605B2 (en) * 2016-04-29 2018-07-31 Jonathan T. Holt Systems, methods, and devices for detection and diagnosis of brain trauma, mental impairment, or physical disability
US20190133441A1 (en) * 2017-10-31 2019-05-09 OCTHealth, LLC Apparatus and method for self-administration of optical scanning of a person's eye optical system
US20190191995A1 (en) * 2017-07-28 2019-06-27 Pupilscan Corporation Systems and Methods for Capturing and Analyzing Pupil Images to Determine Toxicology and Neurophysiology
US20200107719A1 (en) * 2018-10-05 2020-04-09 Mark Schneider Mobile Phone Cornia Placido Disc Image

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120257166A1 (en) * 2011-04-07 2012-10-11 Raytheon Company Portable self-retinal imaging device
US20140268053A1 (en) * 2013-03-15 2014-09-18 William Fabian Eye Imaging Apparatus
US20180153399A1 (en) * 2015-05-05 2018-06-07 Arizona Board Of Regents On Behalf Of The University Of Arizona Smartphone-based handheld ophthalmic examination devices
US10034605B2 (en) * 2016-04-29 2018-07-31 Jonathan T. Holt Systems, methods, and devices for detection and diagnosis of brain trauma, mental impairment, or physical disability
CN106778567A (zh) * 2016-12-05 2017-05-31 望墨科技（武汉）有限公司 一种通过神经网络来进行虹膜识别的方法
US20190191995A1 (en) * 2017-07-28 2019-06-27 Pupilscan Corporation Systems and Methods for Capturing and Analyzing Pupil Images to Determine Toxicology and Neurophysiology
US20190133441A1 (en) * 2017-10-31 2019-05-09 OCTHealth, LLC Apparatus and method for self-administration of optical scanning of a person's eye optical system
US20200107719A1 (en) * 2018-10-05 2020-04-09 Mark Schneider Mobile Phone Cornia Placido Disc Image

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