alt Hacker NewsI have a Donegan DA-5 OptiVisor Headband Magnifier. They're nice, because the lenses are prism'd so that you can focus on something close without having to go cross-eyed.
I have a Donegan DA-5 OptiVisor Headband Magnifier. They're nice, because the lenses are prism'd so that you can focus on something close without having to go cross-eyed.