Guangli is a professional night light manufacturer since 1995

LED the desk lamp that shield an eye eye or eyes?

by:Guangli     2020-05-06
Blue light is going on? It had anything to do with the desk lamp that shield an eye? Blu-ray have overstated to the influence of the human eye as a matter of fact, we usually put the damage can be divided into three categories, photochemical damage, thermal damage and mechanical damage. Blu-ray influence belong to the category of photochemical damage, thermal damage exists in infrared region, because our human eye retina temperature is 37 degrees, high heat can lead to cell apoptosis, blu-ray - 400 500 - nm range, in fact is there are big differences for retinal photochemical effect, in the 400 - 440 nm range, low light intensity, the retina's tolerance and 450 - Before the 480 resistance intensity is 3 - More than 5 times, peak spectrum is in commonly 450 - LED Between 480, so if all of normal lighting, will have damage to the human eye. In fact, in animal experiments, we found that the part of the blue light wavelength can inhibit the occurrence of myopia, and blue light cause macular degeneration, now can only be indirect evidence from epidemiological survey. 450 - 480 nm, conventional all lighting environment ( Provide one illumination generally appear evenly distributed in all kinds of lighting design) Not for the damage to the retina, we have done in the experiment the molecular cell. If - in 400 440, the light of the retina of tolerance is very low, in fact, some junk LED blue light in the 400 - 440 nm, so there is a problem. What are the ways of blu-ray harm? Blue light may cause harm to the human eye mainly comes from two kinds of products, the first is the direct type LED screen, this is now from outdoor advertising screen to enter indoor, the current monitoring has been adopted in large area, and the education system is also prepared to introduce this some time ago screen, this is the most damage. The second type is individual lighting, flashlight, there might be affected. Due to the lighting products are close to the human eye, light intensity is high, so there is a certain risk of security. When using, avoid the light don't direct to the eyes. In fact, 400 - 440 nm, under normal lighting environment, there is harm to the human eye, we have been through the molecular cell experiment found that irradiation for 2 hours, can appear apoptosis phenomenon: LED the desk lamp that shield an eye eye or eyes? ( Human retinal cells in the change of illumination, white said apoptosis) For TV and mobile phones to the human eye: the influence of TV is side shine or backlight, backlight is point-blank, is through the LCD display, and the light intensity on the TV is not high, so less TV. Mobile phone is the lateral glowing, less damage to the human eye. But the mobile phone is the most cause eye fatigue. The two parts you don't need to worry too much. How does the desk lamp that shield an eye effect on the market? Panasonic's a the lamp that shield an eye, we do anybody for the experiment ( People died as a result of the experiment, it is by human subjects, physiological index test, get the results of the experiment) , where is the eye, eye injury, we VICO ( Visual comfort index) 3 values are arrived. This is our visual people died as a result of the experiment process: LED the desk lamp that shield an eye eye or eyes? The desk lamp of what is the desk lamp that shield an eye? At present, we think that is not really the lamp that shield an eye, because eye should consider not only is no stroboscopic. To put forward the sun really eye, China academy of standardized visual health and safety protection, director of the laboratory. Cai Jianqi visual people because of work, director Cai Jianqi think the sun is not good, the sun is very complicated, such as ultraviolet lead to cataracts, blu-ray in 1912 is the earliest discovered the problems ( Or 1920) Because the solar eclipse appeared in Europe a lot of blindness. To the north after snow, the weather is fine, the sun exposure to the snow, and reflection to the human eye, all can not stand can cause snow blindness, in addition our country Trinidad and Tobago, the Tibetan people cataract patients. This is the reason why why want to wear sunglasses in the outdoor. So the sunlight also need difference between applications.
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