NAUTILUS

Viewing devices, namely, 3D digital photograph viewers in the nature of vision masks and helmets, all serving as demonstration tools of the benefits of different types of spectacle lenses and spectacle lens treatments; virtual reality masks and helmets not for use in playing video games, all serving as demonstration tools of the benefits of different types of spectacle lenses and spectacle lens treatments; augmented reality masks and helmets not for use in playing video games, all serving as demonstration tools of the benefits of different types of spectacle lenses and spectacle lens treatments; software as downloadable mobile applications on mobile tablet to control virtual reality and augmented reality masks and helmets