Yes, Plano glasses are an eye protective equipment or safety spectacles used by workers in a hazardous workplace to protect against eye injuries caused by flying dust, dirt, metal, wood chips and other particles, as well liquid chemicals and vapors. Moreover, Plano glasses must fit a worker's face properly in order to be effective. They should not restrict the normal vision and eye movements of the user and must be reasonably impact protective. It is ideal that these lenses are clear, scratch free, washable and reusable for some time.