Tokyo Crystal Transparent Blue Light Glasses TKYKRSTL

Focus On glasses are equipped with TR90 graylamid frame and blue light filter lenses for sustainable and healthy use. It prevents the harmful blue light emitted from digital screens such as computers, phones, TVs and tablets from passing into your eyes. It is unnumbered, it is not an optical product, it is not a medical device. Focus On glasses will reach you in a protected shipping box, with a leather case, cleaning cloth, warranty certificate and invoice. It has a 2-year warranty. One glass width: (Extraman) 50mm. Nose Bridge: 18mm. Shank Length: 145mm