London Mole Spy Blue Blocker Glasses Tortoise Shell – Spy Blue Blockers | Tortoise ShellCool 80s style frames create a cool new trend.Our Blue Blocker glasses are designed to help reduce the risk of harmful blue light from screens, to help prevent eyestrain, headaches and other symptoms of digital eye strain. Wear them working on a laptop, watching tv, or scrolling through your phone to look and feel good. Specifications- Hydrophobic Coating- Antiglare lens- BLPF 30% – UV400 – Polycarbonate frame, acetate lens, sprung hinges – Lens size 39 x 50 mm, Bridge gap size 15 mm, Temple size 147 mm