Optical lenses for use in optical machines and apparatus; optical lenses; optical lenses made of plastic; prisms for optical purposes; optical diffusers for time of flight camera; optical diffusers for optical machines and apparatus, namely, optical inspection apparatus, optical scanners and optical reflectors; optical lenses, filters and diffusers for electronic apparatus and instruments for relaxation purposes comprised of goggles, headsets and apparatus for the reproduction of sound or ima...