Lasers are everywhere, and it is becauseof the many different kinds of light that make our days colorful and beautiful.We now know the day we enjoy even in the light, we enjoy the light to allaspects of the same light but also bring us serious damage. In our laserprotective glasses, we look at the light pollution is the most serious damageto the light of the laser, because the laser is not the light, if we do not payattention to the formation of a very simple can not save the damage.
The human eye is exposed to the laser willbe damaged, laser damage to the user's eyes depends on the wavelength andoutput power of the laser (remember to wear laser protective glasses):
1, visible light (400 ~ 700nm) and nearinfrared (~ 700 ~ 1400nm) light beam can be focused on the retina through thepupil, so as to the retina, optic nerve and the base of the eyes of theformation of some of the hazards of reversal. Usually, the wavelength rangebetween 400 ~ 700nm (light purple and red light) will not damage to the humaneye, unfortunately, near the 1400nm wavelength light can penetrate the eyes,has brought a great threat to the retina and optic nerve
2, non near-infrared wavelengths of lightwill not give the eyes of the external injury, ultraviolet radiation (180 ~400nm) will damage the cornea and the lens, infrared radiation (IR-B, 1400 ~3000Nm) can penetrate the eyes the appearance of cataract formation, farinfrared light (IR-C, 3000Nm ~ 1mm) can damage the eyes of the outsideappearance or cornea.
Laser damage is a kind of situation cannot be ignored in our life, we should be positive to find to understandcharacteristics of laser, laser undeniable in our days there is great help, canhelp us a lot of manpower and no end of homework, but at the same time thelaser light is also easy to be able to blow up our I hope we can pay attentionto laser damage, wear protective glasses, timely laser, laser damage notrehabilitation.
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