CDG-2x Are close distance viewing glass with a 2x magnification and individual adjustable focus for each eye +- 4 diopter which allow adjustment for individualized eye conditions. The lightweight eyeglass style frames make these very comfortable to wear, 2x is sole magnification of these magnifying glasses and they have focal length of 12"-14" for most eyes. These are a comfortable alternative to a 2x headband magnifier and can assist in small detailed tasks where magnification is needed and also can be used for reading. Comes in padded zippered case for safekeeping, storage and travel.