The ESS CrossBlade LPL-5 Laser Protection Kits are designed to block visible green lasers and laser pointers from damaging the user's eyes. ESS LPL-5 lenses provide ballistic protection along with 2.5 Optical Density (OD) that blocks 99.7 percent of 532nm wavelengths from green lasers. The lens tint's 48 percent VLT allows for optimum protection and operation versatility in a variety of environments.