Foster Grant Mens Kramer Rectangle Blue Light Reading Glasses Matte Black

Designed for digital use stylish EReader glasses uniquely designed for more comfortable reading and browsing on your phone computer or tablet Superior eye protection features patented lens coating to help reduce up to 34 potentially harmful blue light emitted from screens Harmful blue light refers to the 415455 nanometer range of the visible light spectrum The percentage represents the average amount of harmful blue light blocked at 5 nanometer increments in this range Highquality design made of highquality materials including scratch and impactresistant lenses and spring hinges for longlasting use Choose your magnification level choose your magnification with levels ranging from 100 to 325 Includes case comes with an included case to keep your EReaders in tiptop shape while not in use also comes with cleaning cloth Polarization type non polarized.