EG-3LI Eyeglass Magnifier with 3 lenses. Eyeglass style magnifier with LED illumination for low light and enhanced vi ewing.. Gives a dynamic magnified view, and lens flips up for normal viewing. The lenses are prismatic so that the eyes focus on the object being viewed at the proper distance for magnification being used, thereby relieving eyestrain. Comes with 3 lens -1.5x, 2.5x, 3.5x.