The American National Standards Institute ("ANSI") is a nonprofit ... it looks like Z87-2+ means high-impact rating certified prescription safety glasses. They are tested for impact resistance ...

Many pyrophoric chemicals are also water reactive. Safety glasses that meet the ANSI Z.87.1 1989 standard should be worn whenever handling pyrophoric chemicals. Ordinary prescription glasses will NOT ...

Adequate safety glasses must meet the requirements of the Practice for Occupational and Educational Eye and Face Protection (ANSI Z.87. 1 1989) and must be equipped with side shields. Ordinary ...