what is anti-blue light protector what is anti-blue light protector
TRANSCRIPT
Blue LightBlue Light In the lights of human beings can see, red,
orange, yellow, green, blue, indigo, and purple lights are visible, but still, there are some lights are invisible, such as ultra violet rays, infrared rays and etc.
Those lights our eyes can see are visible lights, but some invisible lights could not be detectable, including the ultra violet rays, will harm to our eyes. In which the blue light plays a killer roller to our eyes, with an invisible spectrum 380~490mm closed to ultra violet rays.
The color exhibits in the interval between the wavelength green & green, and causes blue light hazard on the retina.
Where the blue light comes from: TV screen, PC, table, and smart phone. Long period working with those devices, causing the problems of eye fatigue, eyesight damage, dry eye, especially Macular degeneration. Scientists have proved that the presence of blue light is harmful to our ocular health nowadays, and brings us a long-term effect of macular degeneration crisis.
More people are spending time in front of video display terminals which produce blue lights, hence, it is suggested to wear lens/protectors to reduce the
damage from the harmful lights.
Where is the blue light?Where is the blue light?
Benefits of Anti-Blue Light Benefits of Anti-Blue Light Protective Filters Protective Filters
Cut off the blue light to human eyes Reduce the glare effect to human
eyesKeep away from eye fatigue Maintain ocular health Anti-Ultra Violet RaysKeep device longer lifeProtect display from scratch or
break
Spectrum of anti-blue light Spectrum of anti-blue light protective filtersprotective filters
Anti UV : 280-380(nm) 99.9%Anti Blue light : 380-400(nm)
99.9% 401-410(nm) 88% 411-420(nm) 49% 421-430(nm) 32% 431-490(nm) 30%
Wavelength (nm)
380 390 400 410 420 430 440 450 460 470 480 490
Transmirrance (%)
0.032 0.115 0.11 11.615
51.913
68.383
72.231
73.185
73.137
72.579
71.85 71.185
Test to anti-blue light protective Test to anti-blue light protective filter filter Blue light pen (Wavelength 360-
480 nm)