Blue Light Blocking Glasses - Amy (2 Pack) Sunnies G01 These weights are only 40

These weights are only 40 grams(0

glasses box*1

and reinforced metal hinges

Up to 100% blue light filtered

and and there will no press on your ear or indentation on your nose

Blue Light Blocking Glasses - Amy (2 Pack) Sunnies G01 These weights are only 40What is blue light? Blue light has a very short wavelength, and so produces a higher amount of energy. Studies suggest that, over time, exposure to the blue end of the light spectrum could cause serious long term damage to your eyes. "Nearly 70% of people experience digital eye strain due to prolonged use of electronic devices." The Vision Council. Teddith Blue Blocker Lenses are virtually clear lenses made with a special blue light blocking polymer