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Devices and methods for determining the position of a characterizing point of an eye and for tracking the direction of the gaze of a wearer of spectacles

  • US 10,288,910 B2
  • Filed: 11/14/2014
  • Issued: 05/14/2019
  • Est. Priority Date: 11/14/2014
  • Status: Active Grant
First Claim
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1. A device for determining the position of a noteworthy point of an eye (O1) of a wearer equipped with a vision frame including at least two rims and/or two ophthalmic lenses, the device comprising:

  • at least one image-capturing apparatus, andpositioning means for positioning the image-capturing device with respect to said vision frame, in such a way that, when said vision frame is placed in useful position on the head of the wearer, the image-capturing apparatus is suitable for capturing an image of this eye (O1) of the wearer, the positioning means comprising a measuring support that is equipped with a horizontal bar and two lateral arms, and two clips belonging to said horizontal bar and suitable for interacting with an upper portion of the rims or ophthalmic lenses of the vision frame, and two clips that are each placed at the end of one of the lateral arms and suitable for interacting with a lower portion of the rims or of the ophthalmic lenses of the vision frame, andmeans for determining the position of a noteworthy point of the eye (O1) of the wearer from said at least one image of the eye (O1) of the wearer which was captured by the image-capturing apparatus.

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