Flexible & Durables Spring Hinge Durables spring hinge can be opened 45° - Suitable for any face shape - will NOT pinch your face - very flexible Lens material: Material: Degree: 0 degree, 50 degrees, 100 degrees, 150 degrees, 200 degrees, 250 degrees, 300 degrees, 350 degrees Style: Full Frame It is suitable for most people, especially for a long time in front of the computer. Mobile phone, the person on television.?Worry-free service?Whether you have any problems or dissatisfaction with our reading glasses for any reason, Please do not hesitate to contact us, we will provide the best service until you are satisfied, you have no shopping risk!. ?Blue Light Blocker Computer Readers?Our life is full of harmful blue light. This square metal frame anti-blue light reading glasses adopts high-quality anti-blue light lenses, which can block harmful blue light from mobile phones, computer TVs and other screens, reduce eye fatigue and relieve dry eyes. ?Comfortable Fit?Adopted with high-quality frames, precise magnification lenses and oversized appearance, it provides excellent clarity and pleasant charm for daily wear. Sturdy metal hinge fits most faces, more durable and stable. There's also non-slip nose pads, ergonomic temples, and a wider field of view without turning your neck for all-day comfort. ?Scratch Proof Lenses?We are committed to creating high-quality reading glasses. we treat every lense with a scratch-resistant coating to minimize marks and your lenses and to keep your vision clear. ?Reduce Eye Strain&More Restful SleepBlue light readers provide all-day protection, no worry about eye fatigue, migraine, headache and blurred vision anymore, you can enjoy digital time.