NoIR DI4 Filter for Low Level Laser Therapy (625-850nm, 633nm, 662-835nm) Frame:Frame #53 It offers an alternative for

It offers an alternative for workers requiring vision correction in three diopter strengths

The most obvious change from the regular M Frame is the thicker

then expand within the ear canal for a comfortable

It features a foam gasket that protects from flying debris

Hi-Def Yellow - Best for enhancing contrast and light in low light applications

NoIR DI4 Filter for Low Level Laser Therapy (625-850nm, 633nm, 662-835nm) Frame:Frame #53 It offers an alternative forNoIR Laser Safety Glasses are the product of engineering innovation and tight manufacturing tolerances, providing an optimal balance between protection and visibility. Available in universal styles, with one to fit nearly every face, whether over prescription glasses or not. Polycarbonate laser glasses are lightweight, economical, and offer excellent protection from lasers. NoIR's polycarbonate lenses are extremely durable and scratch resistant. OD