Timers for reminding persons when their disposable contact lenses need replacing; Laser equipment designed for engraving and tinting optical lenses for eyeglasses; Wearable computers in the nature of smartglasses; 3D spectacles; Virtual reality glasses; Downloadable image files of clothing accessories, namely, sunglasses authenticated by non-fungible tokens (NFTs); Downloadable virtual goods in the nature of image files of eyewear for use in online virtual environments; Augmented reality glasses