Blue Ray Blocking Nearsighted Glasses for Distance Men Computer Gaming Eyeglasses SHINU-SH051N

SHINU EYEWEAR Production Parameters Model number: SH051N Department: men Frame material:plastic Demension:frame(135*41mm) lens(53*37mm) bridge(17mm) temple(141mm) What is blue light? The electronic products that people use every day, such as computers, smartphones, tablets, and TV LED displays, will send out a lot of blue light. With the popularity of these electronic product, everyone's chance to contact blue light is increasing dramatically. The wavelength of visible light is between 380-580 nm. High energy visible(HEV) light will damaging our eyes. It may lead to headaches, sore or tired eyes, terrible skin, stiff necks which affect your sleep at night. This includes damaging blue-violet light emitted by our digital devices. Therefore, for our normal people, a pair of anti blue lgiht computer glasses is necessary.   SHINU Anti Blue Light Lenses SHINU anti blue light lens is made of CR39. The refractive index is 1.60. Our anti blue light lens adopts German advanced technology