PDT/Opthalmic Laser EyewearPolycarbonate filters offer an optimal balance between protection and visibility with a lightweight and cost effective solution for an extensive range of laser systems. LaserShield goggles are hardcoated with laser protection and absorptive dyes molded into the plastic. Goggles and frames are CE certified meeting the EN27 EN28 standards Wavelength: 190 400 nm with OD 6+; 615 720 with OD 3+; 651 670 with OD 4+; 671 715 with OD 5+; 680 710 with OD 6+;