Construction safety glasses can only provide reliable protection when they fit correctly, remain clear and meet the required standards. This article explains seven common mistakes, including using ordinary glasses, ignoring side protection, wearing scratched lenses, removing eyewear because of fogging, accepting poor fit, failing to replace damaged products and choosing uncertified safety glasses. It also introduces Safeyear SG003 and SG037 and highlights important impact, anti-fog, scratch-resistance and certification tests.