Smartglasses or
smart glasses or
Digital Eye Glass or
Personal Imaging System are a
wearable computer that adds information to what the wearer sees. Typically this is achieved through an
optical head-mounted display (OHMD) or
computerized internet-connected
glasses with transparent
heads-up display (HUD) or
augmented reality (AR) overlay that has the capability of reflecting projected digital images as well as allowing the user to see through it, or see better with it. While early models can perform basic tasks, such as just serve as a front end display for a remote system, as in the case of smartglasses utilizing cellular technology or Wi-Fi, modern smart glasses are effectively
wearable computers which can run self-contained
mobile apps. Some are
handsfree that can communicate with the Internet via
natural language voice commands, while other use touch buttons.