Whilst protective glasses should not be required for a consumer laser cutter, sadly many dangerous open frame machines are available on the market. Even more worryingly many of these machines come supplied with 'protective' glasses which typically offer limited or no protection!
Protective glasses for use with diode 450nm lasers, certified to EN 207:2017 Personal eye-protection equipment - Filters and eye-protectors against laser radiation (laser eye-protectors) by Din Certo
