I guess the OP has forgotten or lost interest in the thread, but this posted link: http://www.madelltech.com/loupes.html
has made the thread worth while. I had wondered where to find those type eye wear. I have the OptiVISOR and just checked, it is a +5 Magnification, not the lower power I mentioned before. the hassle with it is the close working distance - about 6" while the Madelltech show up to 18" working distance. That would be NICE..... of couse $30 vs $150 is a bit of difference also.
I guess I'll make do with what I got for a while. The microscope makes all the difference.
73 de Ken H>