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.QUALITY ASSURANCE - If you are not satisfied with the items you received, please contact us to solve the problem until you are satisfied.Your satisfaction and trust are the goal of TEUMIRE. Product Size - Lens Width: 52MM |Frame Width:70MM | Lens Height: 48MM |Frame Height:60MM | Nose Bridge: 18MM | Frame Length: 149MM | Temple Length: 140MM. Square Oversized Frame - The big frame glasses for women are great glasses for computer eye strain,our anti eye strain glasses use high quality composite, The black glasses for women are made of the best TAC thermoplastic, this highly advanced nylon-based material is flexibility, memory retention, shock resistant and water proof, is the best choice for eyewear enthusiasts.The Big Non-Prescription Glasses are also a good choice of gift,for your lover,parents,friends... It’s Your Lady's Blue Light Blocking Glasses - The large retro rim is one of Lady's favorites, full of Fashion style. Also, they are blue rays glasses for women which are perfect for reading , working and party. Stylish and practical !! The big glasses for women lenses can not only block harmful blue light but also protect your eyes from UV lights. Unique Design - This thick frame blue light glasses feature a comfortable nose pad design that reduces pressure on the bridge of the nose and does not leave dents. The shape of your face is altered by the contours of the cat's eyes, making your face visually smaller; big square glasses frame, stylish metal arm with pearl, personalize your style, wearing black fashion glasses can also be beautiful and confident.