Portable glasses with adjustable power lenses, variable focus, zoom

Adjustable Prescription Reading Glasses with Variable Focus and Zoom for Distance Vision Features: Ideal for reading and distance vision. Adjust the lenses simply by turning the dial. Multifunctional, they adapt to all situations: one pair for computer use, reading, watching TV, driving day or night, to keep on your desk, or to use as backup glasses. Instant focus control: you can even adjust the correction and magnification of each eye independently. Specifications: Item Type: Reading Glasses Materials: AP polycarbonate frame, polycarbonate lenses Lens Correction Range: -6.0 to 3.0 diopters Frame Dimensions: See image Distance Between Lenses: 63 mm Contents: 1 pair of reading glasses