Eyeglass cases; Frames for spectacles; Head-mounted video displays; Hygienic pads adapted for virtual reality head-mounted displays; Optical devices, namely, eye pieces for helmet mounted displays; Optical lenses; Spectacle frames made of metal and of synthetic material; Spectacle lenses; Spectacles, frames and cases; Unmounted spectacle frames; Virtual reality glasses; Wearable computers in the nature of smartglasses; Wearable video display monitors