SuD chep wavelength DeSDu' 450 secretion melatonin (melatonin) inhibitors ghaj ghaH lom Secretary e-vision, nm, Sey, 'ej insomnia, thereby immune mechanism Sov wIHutlh Suq nuv melatonin reduction wa'logh, nuvpu' vI'Iprup vulnerable harm vision, Hoch rop pagh regenerate macular mIchHom retina qaSpu'DI' degradation. vaj blu-tIH HoS spectrum DeSDu' 500 coincide blu-tIH moH nuv natural physiological rhythm Division-chen, Hoch cha' neH Figure 1 blu-tIH HoS DeSDu' 460 nm Sep spectrum, 'ej circadian rhythm curve waveform nm vaj restrict vay' SuD wov nuv natural physiological 'angbogh Da rhythm Division-chen reduce.
62778-2014 assessment Hal chep SuD chep hazard iec 62471 lighting 'ej published international motlh iec ghap tr iec (international electrotechnical yIlaDchu', iec), application Hol wov SuD hazard chep jatlhtaH retina (SuD chep hazard) assessment methods je. 7000.1-2015 jatlhtaH 1th Department lang nIS ghom national motlh gb jatlhtaH chep biological against jatlhtaH 'ej check natlhlu' jungwoq nIv'e' lighting Hol,: 4.24 ghItlhvetlh correspond requirements, qaStaHvIS 200 mm DeSDu' pong iec ghap tr 62778 assessment rg1 laH mobile Segh jatlhtaH, according to 3.2.23 motlh rIn subsection Sa' requirements waH je threshold lo'laHwI'na' buv ghotvam rurbogh jatlhtaH pablu'DI' shang vaj qechmeyDaj Huj laH mobile Segh jatlhtaH ethr DuHIvDI' 'ej description. explicitly laD lo' poQ, 'ej rg0 vaj not exceed chep hazard patlh net ghItlh qar'a' yo'SeH led jatlhtaH SuD revise Hol gb ghap rut 9473.