Milo Blue Light Computer Glasses for Kids Kids are on electronics more than ever right now! Prolonged exposure to blue light from computer screens and digital devices causes symptoms of eye strain, fatigue, migraines and dry eyes. Our kids computer glasses 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 Anti-scratch coating Care instructions: Clean lenses with eyeglass cleaner and a clean microfiber cloth. Store in case when not in use. Lens Width: 48mm Lens Height: 33mm Bridge Distance: 13mm Arm Length: 131mm