The Edroy OpticAid Clip-On Magnifier features an ophthalmic-quality hard-coated scratch-resistant lightweight magnifying lens - available in either standard or bifocal configuration. Clips to most eyeglass frames to leave hands free. Optically designed plastic lenses enable you to see tiny details without distortion using both eyes. Lightweight comfortable and adjustable. Comes with carrying pouch. The OpticAid flip up magnifier swings out of the line of vision when not in use. Best Selling Clip-On Magnifier Of Its Kind. 1.75X 14" focal distance.- SKU: RTL7CS050