Amazon.com: OptiVISOR Headband Magnifier, with Quasar LS Lights : Health & Household
Donegan ACCURLOUPE® AL-1 OptiVISOR® Accessory Lens, adds 2.5x magnification, has rectangular acylic lens for Donegan Optivisors and similar headband magnifiers.
Donegan OptiVISOR Binocular Headband Magnifier
OptiVISOR Headband Magnifier - StewMac
Optivisor LX Magnifier Hands Free Headband for Jewelers and Watchmakers - Watch Battery Tools | Esslinger & Co
Donegan Optivisor LX-7 ultra lightweight Headband Magnifier with acrylic 2.75x and 6" Inch Focal Length
Donegan OptiVisor Headband Magnifier, You choose from 6 Lenses, MADE IN THE USA | eBay