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Ultraviolet lamp disinfection

Ultraviolet lamp disinfection

Ultraviolet lamp disinfection
In the special period of fighting against new coronary pneumonia, in addition to masks, alcohol, hand sanitizer and other protective equipment, many people also bought household UV lamps to disinfect themselves at home.But recently, due to improper use of ultraviolet lamps, incidents that caused eye injuries frequently occurred.According to media reports, at noon on February 3, Ms. Fang, who lives in Shenzhen, suffered eye burns because she did not leave the living room while using ultraviolet disinfection.How to use UV lamps correctly?What to do if my eyes are burned?Hear what experts say.A few days ago, Ms. Zhang rushed to turn on the ultraviolet light to disinfect the whole body because she was afraid of bringing back the bacteria when she went home from the hospital.Meanwhile, Ms. Zhang spent more than 20 minutes in the living room.That night, her eyes appeared red and swollen, itching, and foreign body sensation. She did not get better the next day. She had to go to the hospital for ophthalmology. The doctor understood the past and combined with the clinical manifestation of Ms. Zhang and thought that Ms. Zhang was because of the use of ultraviolet lightBurns caused by improper eyes.When disinfecting the ultraviolet lamp, people should leave the deputy chief physician of Meng Jing, Department of Ophthalmology, the First Affiliated Hospital of Jinan University. The ultraviolet lamp uses the ultraviolet rays emitted by the mercury lamp to achieve the sterilization and disinfection function. It emits a large amount of ultraviolet energy.Easy to cause great harm to the human body, especially to the eyes.Because the eye contains a lot of protein, the ultraviolet light causes the protein to coagulate and denature, and the corneal epithelium is necrotic and detached, causing corneal damage. The symptoms shown are red eyes, eye pain, fear of opening the eyes, tears, strong foreign body sensation, and sight.Vague situation.According to Meng Jing, UV-ray burns usually have an 武汉夜网论坛 incubation period. The fast onset occurs after half an hour, and the slow onset occurs after 6 to 8 hours. It is difficult for patients to find it on the spot.She reminded that when using UV lamps for disinfection, pay attention to the following aspects: 1.When using a UV lamp for disinfection, people should leave the area where the UV light can reach.People leave immediately after turning on the lights. Generally speaking, there will be no major problems in the first two minutes when the lights are turned on and off. If conditions permit, you can also wear protective glasses to turn on and turn off the lights.In public places, if you encounter UV disinfection, you should avoid it in time. Special care should be taken to prevent children with thin skin stratum corneum from accidentally entering the UV operation area.2.The UV 都市夜网 lamp should be irradiated for 30 minutes to 1 hour. In order to ensure effective disinfection, do not place the UV lamp on the ground. It can be slightly higher, at least 1 meter above the ground.3.The ultraviolet light with ozone is not only harmful to the eyes, but also damages the bare skin.Therefore, it is recommended to open the window for more than 20 minutes before entering the room after use.If the symptoms are mild, you can deal with them temporarily. If you have been burned by ultraviolet rays, you can do so: If the symptoms are severe, you need to see a doctor immediately. Ophthalmologists usually give sedatives, painkillers, anti-inflammatory drugs, or eye drops that constrict blood vessels.Usually after emergency treatment, symptoms will gradually improve.If you are exposed to ultraviolet light for a short period of time, the symptoms are relatively mild. During the current epidemic prevention and control, you can go to the pharmacy to buy medicines for use. There are mainly two drugs, one is an anti-inflammatory drug, such as ofloxacin or levofloxacin,The species is a growth factor.Meng Jing introduced that growth factors mainly promote the quick repair of damaged corneal epithelium.The side effects of these two drugs are relatively small. You can use the drugs to observe them at home for two or three days. If the symptoms are reduced, you can continue to use them for about a week.Generally after medication, most patients will get better.If you do not feel better, you need to see a doctor.(All media reporter Zhang Qingmei and correspondent Zhang Cancheng)