☀【MORE EFECTIVE ANTI BLUE LIGHT】 - Add high efficiency blue light factor and apply reedoon's professional coating technology can more effectively block harmful blue light to relieve eye fatigue, blurry and dry. ☀【BETTER SLEEP】- Stamen anti blue light glasses can effective blocking harmful blue light from all digital screens (such as computer, gaming, phone, TV), to help you reduce migraine caused by blue light, so you can enjoy a restful deeper sleep. ☀【VERY LIGHT WEIGHT and DURABLE】 - Wearing it all day, you even do not notice it.TR90 frame makes glasses more flexible and it won't break easily even if it is forced in the other direction.