Orb Optronix has measured commercially available solid state lighting products (SSL) that exceed risk group category RG-1 blue light hazard limits in the ANSI/IESNA RP-27.3-07 ‘Recommended Practice for Photobiological Safety for Lamps, Risk Group Classification and Labeling’ standard along with IEC 62471:2006. The RG-2 categorization cautions against direct viewing of light sources with the human eye.