Both the frame and lenses must pass ANSI standards. The frames are more durable than fashion frames and the lenses must be able to pass a "drop ball" test. This involves dropping a hard ball onto the lens from a certain height. If the lens cracks or shatters, it fails.

Plastic glasses that give protection to the wearer doing work that might send off particles of matter, such as when grinding and chipping.

Impact-resistant spectacles; available with or without visual correction for workshop or street wear protection; used by both adults and children. Refer to the ANSI Z87.1 standard for details.