YEIN's anti-blue light glasses with HD lenses reduce digital eye distortion, block blue light, play games and work under fluorescent lights, protect vision, reduce glare, and blurred vision. The legs are light and flexible and are made of durable titanium-containing materials. Comfortable nasal pad design, squeezing will not feel uncomfortable. Restore clear picture, enjoy high-definition vision.Hd wear-resistant lenses, accurate vision and standard pupil distance ensure the comfort of your eyes while wearing, giving you clear vision and a comfortable reading experience. Glasses are available in a variety of styles for reading books/watching TV/mobile phones/ipads/computer games/work, etc., creating a great shopping experience for our customers. Customers can return it for any reason and get a refund. You are not at risk of buying.[Risk-free trial]any damage problem, just do not hesitate to contact the seller to solve the problem, until you are satisfied, you do not have any trial risk. [Lightweight metal half frame] Texture metal frame, durable and not easily deformed and damaged, comfortable silicone nose pad, adjustable spring hinge, classic rectangular half frame design, let you look stylish and professional. [Comfortable wearing experience] These blue blocking glasses are suitable for a variety of face types, suitable for small faces as well as large heads, because they are flexible enough. Not only can you wear our glasses for long periods of time to work or play in front of a digital screen, or to drive or play on an upcoming trip. [Strong and durable] Lightweight, elegant and slim, with texture; The metal spring hinge can be opened and closed freely thousands of times, not easy to break, the spring hinge and adjustable nose pad help the glasses adapt to the face shape, good light transmission, clear color without distortion, fashion design will make you look younger and more fashionable. [Anti-blue light lens] Anti-blue light, with UV532 protection. Anti-glare, can effectively block the harmful blue light emitted by electronic screens. Help your eyes relieve visual fatigue and discomfort caused by browsing mobile phones, using tablets and other electronic devices while working, so that you have a clear vision.