Why we need anti blue light glasses? When we use computers, smart phones, TVs and other devices every day, these electronic products emit a lot of blue light. These blue lights have extremely high energy and can directly penetrate the lens to reach the retina, causing photochemical damage to the retina, which may cause our sleep to be disturbed and make our eyes feel tired. For us, blocking blue light for a long time is the most effective way to reduce damage, and using Teumire anti blue glasses can effectively solve this. If you need to work with computer all the time, this is excellent blue light blocking glasses for you. The role of Teumire anti blue glasses Teumire anti-blue light glasses mainly reflect harmful blue light through the lens surface coating or add anti-blue light factor through the lens base material to absorb harmful blue light, thereby achieving the blocking of harmful blue light and protecting the eyes. Scope of application Teumire anti blue glasses are suitable for wearing when using LED digital display devices such as TVs, computers, mobile phones, etc. However, It is recommended to have two pairs of glasses. Teumire anti blue light glasses are very popular among non-myopia users. They are specially used for computer work and gradually become a fashion. INCLUDES 1* Blue light blocking glasses 1* Glasses cloth 1* Glasses bag 1* Mini screwdriver PRECAUTIONS Please use water and soap to clean, do not use all types of solvents or alcohol. Please use the original accessories to wipe the glasses, do not use dirty cloth or emery cloth.