According to H.L. Bouton, all polycarbonate lenses stop UV. My glasses are
ANSI Z87 standards, and they stop everything. For more info on this
company, go to
http://www.hlbouton.com/hlbhaz.html#uv
Wards in Rochester NY has UV safety goggles for $6.75. These fit over
regular glasses and provide splash protection as well. Call them at
1-800-962-2660
Hope this helps! Ed Stander