For those who are independent contractors or even if you are working on your own home, one should choose the frame and the lenses that received the highest rating for high impact to be extra safe while on the job. The high impact lenses can be bought at most hardware, building supply and sporting good stores.
Most safety glasses are made of a very might polycarbonate, which is designed that way for comfort and come in attractive wrap-style frames. Styles that have the highest impact rating will have “Z87” on them.
If you need safety glasses and require prescription lenses you should consult an eye doctor or visit an optical store.