Patent ID: 7800827
Filing Date: 2010-09-21
Classification: G02B,G02C

Abstract:
1. A method of manufacturing a vision-correction lens that has 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, said light beams being reflected a plurality of times between two “reflection” faces between being introduced into the lens and exiting therefrom, said two reflection faces being faces of a transparent optical insert constructed with a light guide, said method comprising the step of placing said insert in said lens while it is being molded in a mold having a first mold portion for molding said front face, and a second mold portion for molding said rear face, and the insert is completely contained within the lens wherein said entry surface is formed by making a molded cavity in the lens, said entry surface constituting the bottom of said cavity and wherein said cavity is molded by means of a stud secured to the second mold portion and said insert is temporarily secured to said stud prior to molding.