A programmable light beam shape altering device using...
A progressive multifocal contact lens suitable for...
A protective element for covering the light exit surface on...
A reconfigurable optical switch
A recycling system and method for increasing brightness...
A reflector
A removable lens frame mounted to an eyewear platform
A ribbon unit, a method of making the ribbon unit and a...
A routing device for optical fibre systems
A secondary coating line
A security device formed by a hologram and a color shifting ink
A semiconductor based excitation illuminator for...
A separate clip for attachment glasses
A series of aspherical contact lenses
A silicon substrate having a recess for receiving an...
A sleeve part for a plug connection for fibre optics, and a...
A soft contact lens capable of engagement with an eye either...
A spectacle folded into box-shaped
A spectacle frame
A spectacle frame with adjustable arms