Screen protection glasses - Filter 40% of blue light - Shape #C: stylish, bold, square - Unisex, universal model - Storage pouch included in the box. All "LED screens" (smartphones, tablets, computer screens, Tvs, etc.) emit a "blue light" which is particularly harmful to eyes. Equipped with lenses that filter 40% of this blue light, our #Screen collection makes everyday life more comfortable, protects your eyes and guarantees you a very fashionable look. Rubber texture, flexible arms and designer frames: comfort and style guaranteed. Stay connected with complete peace of mind! Standards: This model complies with the European standards for non-prescription glasses (NF EN 14139) and with the international standards for prescription glasses (IS0 12870).