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Plano Lenses

Definition - What does Plano Lenses mean?

Plano lenses are 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. Plano lenses may be worn by workers who do not require vision correction. Those who require vision correction will need prescription protective eyewear.

Safeopedia explains Plano Lenses

Some work places have potentially hazardous flying solid materials, liquid chemicals and vapors that might cause permanent or temporary injuries to worker’s eyes. Such hazards may arise from the following:

  • Flying solid particles from chipping, grinding, drilling, sawing, hammering activities and powered tools or blowers
  • Splashes from solvents, detergents, hazardous chemicals or hot liquids
  • Swinging objects that might accidentally hit or scratch the eyes while working
  • Heat, sparks and intense light while doing hot works such as welding and cutting
The following types of workers tend to be exposed to eye hazards:

  • Welders and cutters and all types of smiths
  • Wood workers, carpenters, plumbers and pipe fitters
  • Electricians, machinists, mechanics and millwrights
  • Chemical handlers and process operators

Plano lenses 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. In the U.S., they should comply with Occupational Safety and Health Administration (OSHA) and the American National Standards Institute (ANSI) Z87.1 or equal standards.
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