This optivisor features a dial adjustment headband to fit any head size The adjustable pivot assembly on visor can be set to desired tension, so it
MagniPros Head Magnifying Glasses, [Rechargeable] Headband Magnifier with Comfy Padding, 2 Ultra Bright LEDs, 4 Detachable Lenses 1.5X, 2.5X, 3.5X, 5X for Close Work, Crafts, Repair & Reading : Health & Household
Optivisor - Israel
The OptiVisor is perfect for anyone whose profession or craft requires close accurate work with both hands free! Works well over prescription glasses.
OptiVisor Professional Magnifier Hands Free Headband for Jewelers and Watchmakers by Donegan - Select Magnification
All Magnifiers and Eye Loupes — PERRIN
Visor Magnifier
Optivisor Replacement Lens 7 2-3/4X 6 Inch Range
OptiVISOR® Headband Magnifiers 1.5x -3.5x
Visor Magnifier
Donegan Optical