Barner Kreuzberg Crystal

High quality and stylish computer glasses to protect your eyes from Blue Light of digital devices. It will provide you with better sleep and a healthier life.

• Made from hand-polished cellulose Mazzucchelli Acetate
• Premium German metal hinges
• 100% handcrafted
• High Quality organic CR-39 lenses that block 100% of the Blue Light under 410nm and 45% of the Blue Light on the 410nm - 450nm spectrum.