• Size Map: Meduim; Lens Material: Interchangeable • Frame Size: 145*135*43 MM • High quality design: lightweight plastic frame, blue light filter lenses with exquisite temples. all the details make our square full rim eyeglasses more durable enough for long time use & ensure you a perfect performance. • Transparent lens: multi layer blue filter coating is much more effective than non-coated glasses. this filters out almost all of blue light while letting you see clearly and precisely. great for close work when you want to see details. filters out annoying glare for better safety when driving. great for walks and enjoying the outdoors. AFERLITE Presents Blue cut lenses feature a special coating that reflects harmful blue light. Restricts it from passing through the lenses of your eyeglasses. Blue light emitted from computer and mobile screens and long term exposure to this type of light. Increases the chances of retinal damage. Believe it or not, but today, almost everyone is a victim of Computer Vision Syndrome (CVS). A condition that results from focusing the eyes on a computer or any gadget for prolonged hours. Continuous working on digital screens means focusing, refocusing your eyes back and forth. This leads to eye strain, dry and sticky eyes. Aferelle is engineered to be virtually clear while delivering unparalleled protection and eye comfort.