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Digital visual acuity eye examination for remote physician assessment

  • US 10,413,172 B2
  • Filed: 12/11/2017
  • Issued: 09/17/2019
  • Est. Priority Date: 12/11/2017
  • Status: Active Grant
First Claim
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1. A method for testing visual acuity of a user using a computerized consumer device, the method comprising:

  • initiating a visual acuity test to assess the visual acuity of a user using a computerized consumer device, the computerized consumer device comprising a display screen, a camera, a microphone, a speaker, a computer processor, and a memory, the user being a human subject;

    determining, by the computerized device, a separation distance between a user and the computerized consumer device based on an image size of a physical feature of the person using imagery of the user taken by the camera of the computerized consumer device;

    instructing, by the computerized consumer device, the user to adjust the separation between the user and the computerized consumer device, and instructing the user that a predetermined separation distance range is achieved;

    presenting, by the computerized consumer device, a visual acuity test to the user without use of a refractor lens assembly, wherein presenting the visual acuity test comprises displaying predetermined optotypes at the display screen of the computerized consumer device for the user to perceive;

    recording, at the computerized consumer device, spoken identifications by the user of perceptions of the predetermined optotypes via the microphone of the computerized consumer device, and providing real-time feedback to the user of detection of the spoken indications by the computerized consumer device;

    carrying out speech recognition on the user'"'"'s spoken identifications to generate converted text corresponding to the spoken identifications;

    comparing recognized words of the converted text to permissible words corresponding to the predetermined optotypes using a lookup table;

    determining a score for visual acuity test taken by the user based on said comparing; and

    determining whether the user passed the visual acuity test based on the score.

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