Why do we need the blue light filter glasses? THE SYMPTOMS OF DIGITAL EYESTRAIN Headaches, sore or tired eyes, and stiff necks are all symptoms of digital eyestrain. Spending the majority of our waking hours in front of device screens put our eyes (and body) through a lot of wear and tear. At the same time, HEV light from our computers, phones, and tablets causes our eyes to not only work harder, but puts them at risk of aging faster WHAT IS BLUE LIGHT? Blue light is a harmful portion of light emitted by digital screens. According to the Paris Vision Institute, younger people exposed to an excess amount of blue light can start to experience age-related macular degeneration at an earlier stage. Other research states that excess exposure is also the leading cause of vision loss for people over 50. Blue Light Protection:Say goodbye to eyestrain headaches Blue Light Protection:Say goodbye to eyestrain headaches Blue ray blockers:All-day protection from blue light and UV light Clear lens:The lens was made of a fully transparent base, without adding any pigment, while maintaining high light transmittance. Fashion Frames:Turn heads with classic and modern styles Keeping you protected both indoors ouAFTER-SALES GUARANTEE: If you are not satisfied with our products, please feel free to contact us, we guarantee to reply you within 24 hours, we are sure our glasses will make you very satisfied!. BEST GIFT: Blue light glasses for all face shapes, blue light blocking computer glasses bring you excellent visual protection, you can use it at home, bed, office. Whether you are a man or a woman, wearing blue light blocking glasses will make you look great. WIDE APPLICATION : Intelligent design, easy to fit everyone, especially those who use cell phones and other electronic devices for a long time suitable for daily, office, computer games and other occasions, provide protection for your eyes and reduce visual fatigue. EXCELLENT MATERIALS : Glasses frames are made of high quality unbreakable materials, flexible and lightweight, completely solving the problem of fragility, curved temples fit your ears without sliding, durable frames and lenses, higher strength and clarity, bringing you a good visual and comfortable experience. PROTECT YOUR EYES: Digital devices such as cell phones, computers and televisions emit blue light waves, filtering high-energy blue light, thus helping you protect your eyes from harmful blue light, wearing anti-blue light glasses can alleviate the discomfort caused by the use of digital devices.