Magni-Clips 1.0X - 5.0X Eyeglass Clip on Magnifier | Micro-Tools
Carson Optics Cap Magnifiers - AvidMax
Amazon.com: Magna-flip Clip on Flip up Magnifiers, Converts Distance Glasses and Into Reading and Computer Glasses. +3.00 Diopter : Health & Household
4.00 Clip-On Magnifying Lenses
Amazon.com: Sweda Clip On Magnifiers for Eyeglasses, 2.0+ Magnification Strength, Magnifying Glasses for Close Work, Reading, Sewing, Clear, 5.25 inch W x 2.25 inch H : Health & Household