Blue Ray Blocking Reading Glasses +5.75 Progressive Multifocus Reading Glasses Men SHINU-SH018

SHINU EYEWEAR Production Parameters Model number: SH018 Department: men Frame material: TR90 Frame size: frame(140*43mm) lens(54*38mm) bridge(18mm) arm(138mm) We provide customized glasses. If your two eyes degree are different or you have higher degree,you can contact us for customized. We can do up from -3.00 to +3.00 and ADD from 0 to +3.00.If you need it, you can send us message about your data and we will check it for you. Handling time for customized glasses would be about 10 working days. 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