The LG-003 has a high OD 7 providing the highest level of nd yag laser protection with attenuation of 10,000,000X at 1064nm & 190-532nm. The L ratings demonstrate testing of the laser glasses to withstand a direct laser hit. They work well with or without prescription glasses.

https://www.certified-laser-eyewear.com/lg-003-nd-yag-laser-safety-goggles-190-532nm-od-7-1064nm-od-7-lb7-fully-certified-en207-universal-fit/

Full specifications are shown below.

Protection (Wavelengths & Optical Densities) - Marked on Glasses

960-1064nm - OD 7+

190-534nm - OD 7+

925-1070nm - OD 6+

850-925nm - OD 5+

Visible Light Transmission (VLT) - 35%

CE-EN207 L-Rating