Eye protection glasses, to protect you from headaches, fatigue, brain embolism, always Protect your eyes from harmful light when you watch TV, look at computer, tablet, smartphone or other electronic devices. Frame material: tested polycarbonate used in making this super handy and super comfortable frames. It is extremely lightweight and easy to carry. Lens material: Acrylic. The lenses are are made from quality and crystal clear material easily enabling you to read small texts and minute details without any stress. How To Use: These glasses are designed to correct near-sightedness only. Not suitable for distance vision or driving a vehicle.