A protective eyewear device features a frame for supporting the protective eyewear on a users head in a position placing one or more transparent or translucent viewing lenses of the eyewear device in front of the users eyes, and one or more deposits of a radiation-reactive material located at or adjacent the one or more lenses and responsive to ionizing radiation exposure to produce a visual indication of said exposure to the user within a normally used field of vision of said user.
