[ PATENTED ] - EYEKEPPER patent is that unique METALLESS SCREWLESS SPRING HINGES design Computer Readers combine perfectly with quite ingenious spring hinges, no metal and no screws. ^^ [METALLESS & SCREWLESS] - The non-metal Blue Light Blocking Reading Glasses are easy to be crushed and recycled, which is more stable and not easy to damage. ^^ [ COMFORTABLE ] - Screwless spring hinges provide soft elasticity from start to finish. The Blue Light Filter Glasses with the "just right elasticity" give you a very comfortable experience. ^^ [ EFFECTIVE ] - Our Anti-Blue Light Readers are specifically designed to help you sleep by blocking harmful blue-light that lowers melatonin levels.
The clear lenses have no difference compared to ordinary reading glasses. ^^ [ OVERSIZED ] - These Blue Light Protective Readers frame can not only modify the face shape, but also add fashion charm, suitable for people with wide or extra-wide faces.