Patent ID: 9664929
Date: 2017-05-30
CPC Classifications: A61B,G02C

Claim:
1. A method for determining at least one postural characteristic of the head of a wearer of a pair of spectacles comprising a frame and two lenses, using a determining device comprising an image sensor, at least one light source and a processing unit, said determining method comprising steps of: a) acquiring via the image sensor an image of at least part of the head of the wearer, in which image appears the pair of spectacles illuminated by the light source; b) locating via the processing unit, in said image, largest reflections of the light source reflected by the optical faces of the two lenses of the pair of spectacles; and c) deducing via the processing unit the postural characteristic of a position of the head of the wearer relative to said image sensor, as a function of the position of said largest reflections in said image.