The LG-628 laser safety glasses are specifically used to cut out 445 nm blue lasers while letting the 532nm green beam through which are often used for alignment purposes.
Protection (Wavelengths & Optical Densities) - Marked on Glasses
Display Wavelength (nm) / OD190-450 6+
CE Rating190-315 D LB8 + IR LB4
>315-460 DIR LB5