progressive multifocus reading glasses for men & women, no line multifocal readers blue light blocking reading glasses, 100% uv protection, improved sight, black 2.0x lee boya <b>do you suffer from fatigue and headaches from daily screen time? do you have trouble to fall asleep and wake up tired regularly? we can help you.</b><br> <b>improved sight for improved quality of life - with the progressive multifocus reading glasses by lee boya your eyesight will be better than ever. protect yours and your family?</b><br><br> <b>what can you get?</b><br> <b>blue ray blocking -- lee boya multifocus reading glasses with american hev-adsorb substrate absorption technology, lenses can absorb 95% of high-energy blue light.<br> <b>uv protection -- anti-blu-ray lenses utilize special u.s. substrate processing technology to protect the eyes from ultraviolet rays.<br> <b>clear lens -- the lens was made of a fully transparent base, without any pigment, while maintaining high light transmittance. less reflective, no affect reading, and almost no color difference.<br><br> <b>key features:</b><br> <b>anti eye fatigue & headache</b><br> <b>long time exposure to blue light would lead to digital eye fatigue. wearing your lee boya multifocus reading glasses, no more tired eyes. reduce eye strain and sensitivity to light when facing digital screens. great for office workers or anyone who has to look at screen all day.<br> <b>minimize headache</b><br> <b>do you suffer headaches from long time screen time? lee boya blue light blocking glasses will supercharge your health by blocking detrimental blue light while letting in all other beneficial light.<br> <b>warm tips:</b><br> <b>we don't usually wear a lot of progressive multifocus glasses, so we may not adapt to them at first. please try to wear the glasses for no more than one hour every day in the first three days after receiving them. from the fourth day to the seventh day, you can wear it for more than one hour every day according to the actual situation, and you can wear it at will on the eighth day according to your actual situation.<br><br>