- 100% handcrafted in Italy
- Made from hand-polished cellulose Mazzucchelli Acetate
- Premium German metal hinges
- High Quality organic CR39 lenses that block 40% of the blue light on the 430-450nm spectrum and 100% of the blue light at 410nm
- Use the original cleaning cloth in order to clean fingerprints, dust, and other imperfections.
- If additional cleaning is required, use a PH neutral soap with lukewarm water. Avoid alcohol and solvents.
- Avoid the use of abrasive products and unclean cloths, as these can alter the characteristics of the lenses.
- Use only original accessories and replacement parts.
- Remember to keep your Barner glasses in their original case, in a dry place with a temperature between -20°C and 40°C.