Patent ID: 8999210
Filing Date: 2015-04-07
Classification: B29D,G02B,G02C

Abstract:
1. A method of manufacturing a lens the lens having a front face and a rear face, and into which light beams emitted by an optical element of a light beam generator system are introduced via an entry surface and directed towards the eye of the wearer to enable information content to be viewed, by means of a transparent optical insert constituted by a light guide, said insert being with a form substantially identical to the form of a final lens suitable for being positioned in a frame of a support, said method comprising the steps of: manufacturing said insert with a form smaller than the form of said final lens according to a proportional transformation, manufacturing a lens blank by association of plastic material forming said front face and said rear face with said insert; and cutting said lens blank around said insert and with a distance from the edges of said insert which is around 1 mm for at least 50% of the periphery of said insert.