Since ultraviolet rays can kill cells, it is necessary to pay attention to the fact that ultraviolet rays can not directly irradiate human skin, especially human eyes, when ultraviolet disinfection lamp is on, do not look at the lamp tube directly when the ultraviolet ray is on. As the short wave ultraviolet ray does not penetrate ordinary glass, wearing glasses can avoid eye injury. If you are not careful eye injury, the general situation is not a big problem, just like being burned by the sun, serious eye drops can help to recover.
Ultraviolet lamp uses the ultraviolet light emitted by mercury lamp to achieve sterilization and disinfection function. It radiates a large amount of ultraviolet energy. If there is no protective measures, it is easy to cause great harm to human body. If the exposed skin is irradiated by this kind of ultraviolet light, it will cause redness, itching and desquamation in mild cases, and even cause cancer and skin tumor in severe cases. Studies have shown that long-term exposure to strong ultraviolet radiation will lead to changes in cellular DNA, human immune system dysfunction, and the ability of human body to resist diseases. At the same time, it is also the "invisible killer" of the eyes, which can cause conjunctival and corneal inflammation, and long-term irradiation may lead to cataract.
Ultraviolet ray has a strong killing power on bacteria, and also has certain harm to human body. The most vulnerable part of human body is the cornea of the eye. Therefore, it is not allowed to directly look at the lighted lamp tube at any time to avoid injury. In case of necessity, ordinary glass (glasses) or transparent Plastic sheet should be used as protective mask. Do not misuse quartz glass, because ordinary glass is almost completely unable to pass through ultraviolet rays. Once you are injured, you don't need to panic. If you get burned, your skin will fall off a few days later and you will recover. Eye injury will be red, swollen, tears, tingling, about three or four days to heal. However, in case of injury, it is still recommended to seek medical treatment immediately.
Not only is the ultraviolet germicidal lamp easy to cause skin lesions, some high-power metal halide lamps, the release of medium and long wavelength ultraviolet light and solar light will damage the skin. Many public places, such as bars, restaurants, shopping malls and stadiums, often use some lamps with strong ultraviolet radiation. The ultraviolet wavelength of these radiation is about 300nm to 400nm, which belongs to medium and long wave ultraviolet radiation, which has a great impact on human skin. Therefore, in the use of ultraviolet germicidal lamps, or in public places of entertainment, in the sun engaged in outdoor activities, should strengthen personal protection, wear protective glasses, to minimize the harm of ultraviolet on the human body.
Link to this article：What Is The Harm Of Ultraviolet Disinfection Lamp To Human Eye
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