Take care the ultraviolet lamp burns skin and eyes
In a higher junior college in Chongqing, there are 39 girls while having a class in the laboratory at the beginning of this month, burnt skin and eyes by the ultraviolet lamp; One English training school in Xi'an is because of opening the ultraviolet lamp in the classroom by mistake, burnt to more than 30 students. This year, school and hospital in Wei Nanshi, have similar thing that happens.
In order to prevent this kind of avoidable radiation from endangering appearing again, reporters have visited several medical experts of Wei hospital at city level of Nanshi on a special trip.
Skin: Erythema reacts Pruritus pains
Wei dept. of dermatology of Nanshi learns General Board Professor Lu YongTian how to tell reporters, the ultraviolet lamp which we often talk about in life, just mean the wavelength as 180- 290nm (nanometer, namely millimicron) Shortwave ultraviolet ray (UVC) The launcher, breed obvious inhibition and kill function in its growth to bacterium, virus. If people can cause the pathological changes of skin and eyes after not careful and longer time contact UVC radiation. After the skin is shone by UVC, its majority is reflected and absorbed for the cuticle in the epidermis, only the small part is penetrated to the sour jujube cell floor in the epidermis. Clinical manifestation is the exposed position ' One, neck, chest top " V " The shape district, forearm stretch places such as the side, back of the hand,etc.) "erythematous response " ,Generally decrease the cover in 2- 6 hours, to peak 24 hours later. Often present rash single and one typely, damage for the main fact, it is erythema and swelling erythema with clear realm, with pruritus and burning aching with different intensity. Generally disappear gradually in 1- 2 days after dealing with to the ill, or leave over and take off bits and temporary pigmentation, the serious disease patient resumes nearly taking one week. Because of damage, involve the intersection of epidermis and shallow layer, and course of disease transient, through slowly slow, good after healing generally, but suffer the report which cause skin carcinoma of radiation of the ultraviolet lamp in recent years.
Eyes: The sharp pain is photophobic Weep lacrimation and convulsion
According to the introduction of ophthalmology chief physician Zhang JinJun of central hospital in Nanshi of Wei, if people's eyes are exposed to the ultraviolet ray under the light for more than 3 minutes, may exceed safe demarcation line of the human body. Shine after the 15 minute directly, will make cornea, conjunctiva damage cause the intersection of light produced by electricity and the intersection of and cornea, conjunctivitis. Generally speaking, at that time may have symptom shine, through from 30 minute to 24 hour (average 6- 8 hours) And then have illness coming on, the patient has a sense of foreign matter consciously, the eyes appear to pain, be photophobic, shed tears, open symptoms such as widening the view or convulsion,etc. vigorously, check body can be seen the intersection of eyelid and hydropic the intersection of conjunctiva and the intersection of congestion and myosis and skin take the form of point-like to loss while being rotten and fluoro dye the top layer of cornea, there is detailed point-like physical sign of colouring etc. usually at the cornea. Generally after 24- 48 hours, the above-mentioned symptom and physical sign can disappear by oneself, does not leave any trace; The specific serious disease patient undergoes the treatment to the ill, can also obtain the result of fully recovering.
Prevent and cure: The midwest combines Safe handling
As to skin pathological change, Wei dept. of dermatology of Nanshi learns the Vice Chairman, Nanshi associate professor of treatment of Traditional Chinese hospital Ma ZhuGao of Wei how to advocate taking diminishing inflammation, stopping the pain, pacifying as the principle, lotion of calamine, cortex steroids frost pharmaceutical, Indometacin solution or cumbersome thiazole very for external use block frost pharmaceuticals etc., treat can oral administration resist the intersection of ergamine and medicine, anodyne, serious the intersection of disease and patient can the short distance employs steroids of cortex all over. As to eye pathological change, the second hospital ophthalmology associate professor of treatment Xu ZhaoHong in Wei Nanshi thinks that should rely mainly on stopping the pain and preventing and curing infecting, some sharp pain person can block solutions dripping, 2-3 times a day, but should not be multi-purpose; Can acupuncture shut valley, the intersection of phoenix and pool, point such as being fair in order to stop the pain also. In addition, have a cold compress or drip, can lighten symptom with the intersection of people and milk or milk, can be dripped and used sulfanilamide or antibiotic eye drops for prevent from, infect by part.
In order to prevent and avoid UVC radiation by mistake, Wang AnLin, senior engineer of monitoring station of environmental protection in Nanshi of Wei proposes: Should paste showing clearly and warning mark at fixed UVC light tube and switch, tell the dangerous consequence; UVC light moved is in charge of closing the power in time after using, pushes off the scene immediately, so as not to cause bad future trouble. He especially emphasizes, UVC is a double-edged sword, it promotes the well-being of mankind, but hide the hidden danger, so must hold performance accurately, use safely rationally. Staff reporter Sun JianKui Reporter Bright in autumn
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