Durable cartier Unisex anti blue light blocking glass. Best for preventing eyestrain, protect your eye from harmful uv rays. Blue light blocking glasses have filters in their lenses that block or absorb blue light, and in some cases UV light, from getting through. That means if you use these glasses when looking at a screen, especially after dark, they can help reduce exposure to blue light waves that can keep you awake.Suitable for lenses and available as seen for immediate delivery and pick up #computer&phoneglasses #fashionglass