Safety spectacles are an essential part of personal protective equipment and are used in many areas to protect the eyes from various hazards. For example, in science and research, in the chemical industry, in laboratories to protect the eyes from splashes of hazardous chemicals, acids, alkalis and other dangerous liquids. In medicine to protect against potentially infectious material or in industry and manufacturing to protect against sparks, metal splinters and dust. Safety spectacles are an essential part of personal protective equipment and are used in many areas to protect the eyes from various hazards. For example, in science and research, in the chemical industry, in laboratories to protect the eyes from splashes of hazardous chemicals, acids, alkalis and other dangerous liquids. In medicine to protect against potentially infectious material or in industry and manufacturing to protect against sparks, metal splinters and dust.