Hi Lynn. Even the thin layer of lead in lead based paint will block his vision because it is very dense. Doc Jill's explanation was right on. Even a thin coat of lead works. It has to do with the wavelength of the X-rays. Maybe he might see some blurry stuff, but his brain couldn't figure out what it was.
cool
Artemis

History is easy once you've lived it. - Duncan MacLeod
Writing history is easy once you've lived it. - Artemis