The Xreal One and One Pro glasses don't come with cameras onboard, but one is being sold separately: a small single camera that snaps in right under the nose bridge, looking out at the world. This ...

Since the tiny display is housed in standard-looking smart glasses (available in multiple styles), perhaps no one will notice that little prism. It’ll be nicely hidden on sunglasses. However ...

Experts told the Daily News that Clinton likely has a Fresnel prism placed on her glasses. The adhesive panel is used to treat double vision. “If she’s wearing a Fresnel prism, then she has ...