Glow-in the-Dark frames! Amazing and fun! These Screen Time Blue Light Blocking glasses, block harmful blue light rays caused by electronic screens. They protect the eyes from these harmful rays and reduce eye strain, headaches and migraines. Available in our unbreakable, bendable frames, they block over 80% of the most harmful blue light rays (under wavelength 420 nm). Lightweight, and shatterproof with clear lenses.