Spectra479 - 99.9% Blue Blocking Amber Glasses for Sleep - Medium Adult Size Nighttime Eye Wear - Special Orange Tinted Glasses Help You Sleep & Relax Your Eyes (Amber)

FITS MEDIUM ADULT HEADS - For a larger size, search for our original style frames BRIGHT LENSES - These are designed to pass as much non-blue light through as possible. There is no dark tint and they are not polarized. You can still make eye contact with loved ones and even forget you are wearing them. FASHIONABLE FRAMES - Stylish and fashionable blue blocking glasses. TECHNICAL SPECS - Tested to block 100% of light from 280 - 490nm (this includes UV). Blocks 99.9+% of light in the critical 450 - 510nm range. This is the most disruptive wavelength of light at night. It is also the same frequency of light that is blasted directly into your eyeballs from electronic devices! Always wear protection!