?BLOCKING BLUE LIGHT & UV400 PROTECTION?This computer glasses effectively cut 95% of the blue light in your daily life (wavelength is between 400nm-450nm). Anti-reflective sunglasses with HD polarized lenses can filter out sunlight reflected glare, This uv blocking glasses protect your eyes from long term damage by blocking 100% of harmful UVA and UVB rays. ?REDUCE EYESTRAIN?As best indoor lenses for long hours of computer use, This blue light blocking computer glasses can Reduce symptoms of eyestrain during prolonged computer exposure. No worry about eye fatigue, blurred vision and headache. Go enjoy your digital time and a restful deeper sleep. ?COMFORTABLE WEARING? These blue-light blocking glasses made of excellent TR90 material?Lightweight and durable.These anti glare computer glasses fits well both for small faces and big heads with adjustable nose guards.You can wear our computer reading glasses for long periods of time in front of digital screens.