Firefighter is a dangerous profession, and his eyes will explode when he encounters high temperature. Generally, firefighters are not allowed to wear glasses, which will bring potential danger to the health of firefighters.

Firefighters, members of disaster relief and rescue groups established by the government or the people. Firefighters are mainly responsible for fire fighting and ambulance services, and also participate in other rescue work. As a special rescue profession, firefighters need special physical, technical and psychological training to ensure that they have special physical, technical and psychological requirements.