London Blue Light Glasses

No magnification or +0.75 - +2.50 Prolonged exposure to blue light from computer screens and digital devices causes symptoms of eye strain, fatigue, migraines and dry eyes. Our computer readers effectively filter 60% of blue light to reduce damage from harmful rays.  Features: Anti-Reflective coating to prevent glare Blue light blocking lenses that block 60% of blue light Aspheric lenses to prevent distortion Anti-scratch coating Spring hinges to maximize comfort Power range: 1/4 powers from +0.75 to +2.50 and +0.00 (no magnification) Lens Width: 51mm Lens Height: 28mm Bridge Distance: 14mm Arm Length: 134mm   Care instructions: Clean lenses with eyeglass cleaner and a clean microfiber cloth. Store in case when not in use. Helpful info: California residents, read the Proposition 65 warning