Abstract: A method for evaluating the visual acuity of a person using a mobile device having at least a front camera and a screen, the method including a user positioning step during which the user of a mobile device positions himself in front of a mirror at a predefined distance d/2, a mobile device positioning step during which the mobile device is positioned with the front camera of the mobile device facing the mirror, a distance measuring step during which a distance d between the front camera of the mobile device and a virtual image of the mobile device in the mirror is measured, a displaying step during which the screen of the mobile device displays optotypes, and an evaluation step during which the visual acuity of the user is evaluated.

Abstract: A display managing method for managing the display of an image to a user of an optical system comprising at least a see-through displaying device arranged and configured to display the image towards an eye of the user and an optical lens designed to be placed in front of the eye of the user and having an optical function. The method includes: an optical function data providing step, during which optical function data relating to the optical function of the optical lens are provided; and a display parameter determining step, during which a value of at least one display parameter is determined based at least on the optical function data.

Abstract: A method for updating an index of a person, the method includes: an index providing during which an index is defined as a function of at least one parameter related to the person is provided; a parameter monitoring during which the at least one parameter of the person is monitored over time; an index update during which the index of the person is updated based on the evolution over time of the at least one parameter of the person.

Abstract: A method implemented by computer device of determining a correcting optical function to be applied on a virtual image to be displayed to a user of an optical system including an optical lens to be placed in front of a user eye and including a back face having an optical design; a see-through displaying device configured to display the virtual image towards the eye, the virtual image being transmitted at least through the back face of the optical lens defining a display area on the back face; the method includes a step, during which optical design data relating to the optical design of the back face of the optical lens are provided; a display area data providing step, during which display area data relative to at least one parameter of the display area are provided; and a correcting optical function determining step, during which a correcting optical function is determined based at least on the optical design data and on the display area data.

Abstract: A monitoring system for monitoring the visual behavior of a wearer of a head-mounted device, the monitoring system includes: —a least one wearer's visual behavior sensor configured to sense at least one wearer's visual behavior data relating to the visual behavior of the wearer of the head-mounted device, —a communication unit associated with the at least one wearer's visual behavior sensor and configured to communicate the visual behavior data to a wearer information data generating unit, —a wearer information data generating unit configured to: —receive the wearer's visual behavior data, —store the wearer's visual behavior data, and —generate an wearer information data indicative of at least one of: wearer's vision or general health condition of the wearer or wearer's activity or wearer's authentication based, at least, on the evolution over time of the wearer's visual behavior data.

Abstract: A method of controlling a head mounted see-through electro-optical device adapted to a wearer A method of controlling a head mounted electro-optical device adapted to a wearer, the method comprising: a wearer visual profile parameter providing step, during which the value of at least one wearer parameter related to the visual profile of the wearer is provided, an head mounted device function adapting step, during which the head mounted device function of the electro-optical device is adapted based on the value of the at least one wearer parameter.

Abstract: A method implemented by computer device of determining a correcting optical function to be applied on a virtual image to be displayed to a user of an optical system including an optical lens to be placed in front of a user eye and including a back face having an optical design; a see-through displaying device configured to display the virtual image towards the eye, the virtual image being transmitted at least through the back face of the optical lens defining a display area on the back face; the method includes a step, during which optical design data relating to the optical design of the back face of the optical lens are provided; a display area data providing step, during which display area data relative to at least one parameter of the display area are provided; and a correcting optical function determining step, during which a correcting optical function is determined based at least on the optical design data and on the display area data.

Abstract: A display managing method for managing the display of an image to a user of an optical system comprising at least a see-through displaying device arranged and configured to display the image towards an eye of the user and an optical lens designed to be placed in front of the eye of the user and having an optical function. The method includes: an optical function data providing step, during which optical function data relating to the optical function of the optical lens are provided; and a display parameter determining step, during which a value of at least one display parameter is determined based at least on the optical function data.

Abstract: The disclosed embodiments include a method for monitoring the visual behavior of a person. In one embodiment, the method includes a person activity data providing step during which person activity data indicative of an activity of the person are provided; a person visual behavior data providing step during which person visual behavior data indicative of the visual behavior of the person related to said activity of the person are provided; reference visual behavior providing step during which a reference visual behavior data indicative of the reference visual behavior of the person based on said activity of the person are provided; and a comparing step during which the person visual behavior data and the reference visual behavior data are compared so as to deduce whether the person visual behavior is adapted with respect to said activity of the person.

Abstract: A monitoring system for monitoring the visual behavior of a wearer of a head-mounted device, the monitoring system includes:—a least one wearer's visual behavior sensor configured to sense at least one wearer's visual behavior data relating to the visual behavior of the wearer of the head-mounted device,—a communication unit associated with the at least one wearer's visual behavior sensor and configured to communicate the visual behavior data to a wearer information data generating unit,—a wearer information data generating unit configured to:—receive the wearer's visual behavior data,—store the wearer's visual behavior data, and—generate an wearer information data indicative of at least one of: wearer's vision or general health condition of the wearer or wearer's activity or wearer's authentication based, at least, on the evolution over time of the wearer's visual behavior data.

Abstract: A monitoring system for monitoring the visual behavior of a wearer of a head-mounted device, the monitoring system includes: —a least one wearer's visual behavior sensor configured to sense at least one wearer's visual behavior data relating to the visual behavior of the wearer of the head-mounted device, —a communication unit associated with the at least one wearer's visual behavior sensor and configured to communicate the visual behavior data to a wearer information data generating unit, —a wearer information data generating unit configured to: —receive the wearer's visual behavior data, —store the wearer's visual behavior data, and —generate an wearer information data indicative of at least one of: wearer's vision or general health condition of the wearer or wearer's activity or wearer's authentication based, at least, on the evolution over time of the wearer's visual behavior data.

Abstract: A navigation method for a wearer of a see-through head mounted device, the method comprising: •—a wearer visualization parameter providing step (S1), during which at least one wearer visualization parameter is provided, •—a geo-position determining step (S2), during which the geo-position of the wearer along a route is determined, •—a geo-position comparing step during which the geo-position of the wearer determined during the geo-position determining step is compared to stored geo-positions along the route and •—a navigation visual aid function adapting step (S3) during which upon matching of the geo-position of the wearer with one of the stored geo-positions, the navigation visual aid function is adapted based on the wearer vision parameter and the geo-position of the wearer to facilitate the guiding of the wearer.

Abstract: A method for updating an index of a person, the method includes: an index providing during which an index is defined as a function of at least one parameter related to the person is provided; a parameter monitoring during which the at least one parameter of the person is monitored over time; an index update during which the index of the person is updated based on the evolution over time of the at least one parameter of the person.

Abstract: A monitoring system for monitoring the visual behavior of a wearer of a head-mounted device, the monitoring system includes: —a least one wearer's visual behavior sensor configured to sense at least one wearer's visual behavior data relating to the visual behavior of the wearer of the head-mounted device, —a communication unit associated with the at least one wearer's visual behavior sensor and configured to communicate the visual behavior data to a wearer information data generating unit, —a wearer information data generating unit configured to: —receive the wearer's visual behavior data, —store the wearer's visual behavior data, and—generate an wearer information data indicative of at least one of: wearer's vision or general health condition of the wearer or wearer's activity or wearer's authentication based, at least, on the evolution over time of the wearer's visual behavior data.

Abstract: A navigation method for a wearer of a see-through head mounted device, the method comprising: •—a wearer visualization parameter providing step (S1), during which at least one wearer visualization parameter is provided, •—a geo-position determining step (S2), during which the geo-position of the wearer along a route is determined, •—a geo-position comparing step during which the geo-position of the wearer determined during the geo-position determining step is compared to stored geo-positions along the route and •—a navigation visual aid function adapting step (S3) during which upon matching of the geo-position of the wearer with one of the stored geo-positions, the navigation visual aid function is adapted based on the wearer vision parameter and the geo-position of the wearer to facilitate the guiding of the wearer

Abstract: The disclosed embodiments include a method for monitoring the visual behavior of a person. In one embodiment, the method includes a person activity data providing step during which person activity data indicative of an activity of the person are provided; a person visual behavior data providing step during which person visual behavior data indicative of the visual behavior of the person related to said activity of the person are provided; reference visual behavior providing step during which a reference visual behavior data indicative of the reference visual behavior of the person based on said activity of the person are provided; and a comparing step during which the person visual behavior data and the reference visual behavior data are compared so as to deduce whether the person visual behavior is adapted with respect to said activity of the person.

Abstract: A navigation method for a wearer of a see-through head mounted device, the method comprising: •—a wearer visualization parameter providing step (S1), during which at least one wearer visualization parameter is provided, •—a geo-position determining step (S2), during which the geo-position of the wearer along a route is determined, •—a geo-position comparing step during which the geo-position of the wearer determined during the geo-position determining step is compared to stored geo-positions along the route and •—a navigation visual aid function adapting step (S3) during which upon matching of the geo-position of the wearer with one of the stored geo-positions, the navigation visual aid function is adapted based on the wearer vision parameter and the geo-position of the wearer to facilitate the guiding of the wearer

Abstract: A method of controlling a head mounted see-through electro-optical device adapted to a wearer A method of controlling a head mounted electro-optical device adapted to a wearer, the method comprising: a wearer visual profile parameter providing step, during which the value of at least one wearer parameter related to the visual profile of the wearer is provided, an head mounted device function adapting step, during which the head mounted device function of the electro-optical device is adapted based on the value of the at least one wearer parameter.