Optical lenses; ophthalmic lenses; contact lenses; eyewear; eyeglasses; sunglasses; smart glasses; sports glasses; protective glasses; virtual reality glasses; 3D glasses; goggles; cases for spectacles; cases for eyeglasses; cases for sunglasses; cases for contact lenses; frames for spectacles; frames for eyeglasses; frames for sunglasses; chains for spectacles; chains for eyeglasses; chains for sunglasses; cords for spectacles; cords for eyeglasses; cords for sunglasses; spectacle lenses; eyeglass lenses; sunglass lenses; replacement lenses for glasses; parts for spectacles; spectacle temples; nose pads for eyewear; wearable computers; wearable communications apparatus; wearable computer peripheral devices; computer application software for use with wearable computer devices; protective helmets for sports; protective helmets for motorists; eyeglass shields; face-protection shields; protective face-shields for protective helmets; lenses for protective face shields