...and I missed that part completely. In my defense, I was looking into the 4e book and not the 20th Anniversary edition, but...
Thanks for yawl's input and help
While I am here, here is another vision enhancement question. The way I see it, if I have set of glasses with, say, thermo-graphic vision, low-light, and flare composition, the glasses act as a sort of a LED screen, playing a movie right in front of my eyes. This is important because I could not use enhanced contact lenses (or my own cyber-eyes, for that matter) if I had the glasses or goggles on.
Or is it that there is a tiny AR projector on the glasses, displaying the images it collects on the inside of the glasses? If this was the case, select vision enhancements may go right through the glass (such as low-light, but not thermal, and I'm not certain that the images projected on the glasses wouldn't "wash-out" the low-light).