UNBREAKABLE EYEWEAR
Five years of research and development to the limits of what is possible - the result: The world's only glasses that no longer break. Frame and lenses are unbreakable  and always go back to the starting position, even with severe deformation.
 
LENS TECHNOLOGY
NBFX ENERGIZER redbrown F3 (red mirror)
The edge filter of the NBFX Energizer lenses creates contrasts where there seems to be no contrasts!
Base lens color: energizer redbrown  
Mirror: red 
Filter level: F3
Filter: Blue light 
Light conditions: sun, clouds, diffuse light