I wear safety glasses, and provide all my workers with them. I buy my safety glasses from www.safetyglassesusa.com
in quantities of 24 or greater. The ones that I currently use are:
Elvex TNT Gray Lens Safety Glasses
The TNT from Elvex is a low cost safety glasses that does not compromise style or comfort.
The new TNT from Elvex features a one piece lens-frame design.
Straight back cushioned temple arms provide a comfortable fit for extended wear.
Hard Coated polycarbonate lens.
99.9% UV protection.
Lens Color: Gray - Provides protection from glare and high levels of visible light and ultraviolet radiation without distorting color perception.
Compliance: ANSI Z87.1-2003 certified.
Cost less than $4.00 each. They are comfortable, and if they get scratched, I discard them and grab another pair.