Carson VisorMag 2.25x Power +5.00 Diopters Clip-On Magnifying Lens for Hats

Carson VisorMag 2.25x Power +5.00 Diopters Clip-On Magnifying Lens for Hats. These Visor-Mag Clip-On Magnifying Lenses by Carson are great for special projects that require both hands to be free. Carson VisorMag Clip-On Magnifying Lenses are offered in magnifications of 1.75x 2x or 2.25x for a choice of magnification that fits a specific application. Each magnification is rated with a positive diopter value from +3.00 to +5.00. These diopter values are the typical ratings for over-the-counter re