Wire-framed rx insert - ESS P-2B™ Blank Rx Lens Insert, 740-0311

For thos of use that need prescription safety glasses, this is a less expensive option to full custom made and the safety glass is full protection.
Pros: Less obrtrusive than the nylon ones
Cons: Some difficulty installing until learned

This review was written in the old system and had content requirements that are different than reviews written today.