ERGONOMIC DESIGN: Comfortable frame ergonomically fits your face and head. Designed for a variety of purposes, these amazing anti-blue light glasses block UV and blue light to ease the transition from indoor to outdoor lighting. ANTI-BLUE LIGHT LENSES: HD anti-blue light lenses are perfect for prolonged computer use. They reduce symptoms of eye strain and maintain natural sleep. PROTECT YOUR EYES: They can reduce the symptoms of eye fatigue during prolonged computer exposure. Anti-blue light glasses effectively block 100% of harmful UV and blue light, the glasses provide all-day protection and help block blue light. HIGH-QUALITY MATERIALS: Made of metal, the glasses are very lightweight and the hinges are sturdy,The soft silicone nose pads can adapt to different nose shapes. Reduce the burden on your bridge of the nose. WIDELY USED: Blue light affects our sense of circadian rhythms and eventually leads to insomnia. Wearing blue light glasses can improve our sleep and help us have a good night. It can also be used while reading, working and watching TV.