PrivacyGuard Glasses are smart glasses designed to detect other smart glasses that have cameras. Using a combination of infrared and specialized optical sensors, the glasses can identify the presence of active camera lenses on other eyewear within a user’s field of view. This aims to address growing concerns about surreptitious recording and privacy invasion in public and private spaces. The system provides a subtle, non-intrusive alert to the wearer when a potential recording device is detected, allowing them to take appropriate action.