Laser Tshuab ntau zuj zus hauv zej zog niaj hnub no, npog ntau daim teb zoo li tshuaj, kev lag luam, kev tshawb fawb, kev lom zem. Txawm li cas los xij, laser hluav taws xob tseem coj lub peev xwm ua phem rau tib neeg kev noj qab haus huv, tshwj xeeb tshaj yog kev puas tsuaj rau lub qhov muag. Raws li ib qho ntawm feem ntau rhiab thiab cov kabmob tseem ceeb tshaj plaws ntawm tib neeg lub cev, ib zaug lub qhov muag puas tsuaj los ntawm laser, lawv yuav ua rau lub qhov muag loj thiab qhov muag tsis pom kev.
EN207 International Standard yog European txheej txheem rau cov tsom iav laser tiv thaivCov. Nws stipulates lub qhov muag thiab lub cev kev ua tau zoo, kev sim cov kev sim thiab cov kev xav ntawmLaser Tiv Thaiv Tsom iav, thiab muab cov txheej txheem tseem ceeb thiab cov lus qhia tshwj xeeb rauLaser kev tiv thaiv.
1. Kev faib tawm thiab cov yam ntxwv ntawm lasers ntawm wavelengths txawv
Ultraviolet laser (180 - 400 nm)
Ultraviolet laser muaj cov nthwv dej luv luv thiab siab dua lub ntsej muag. Raws li lub wavessength ntau, nws tuaj yeem muab faib ua UVA (315 - 400 {{{{{{180 - 280 nm). UVC feem ntau nyuaj rau hauv av nyob hauv ib puag ncig ntuj. Ultraviolet lasers tuaj yeem rhuav tshem cov tshuaj phem ntawm biomolecules thiab ua rau puas tsuaj rau lub pobta thiab lens ntawm lub qhov muag. Kev kis tau ntev yuav ua rau cov tshuaj o, qhov kev sib cav thiab lwm yam kab mob.
Pom cov lasers pom (400 - 700 nm)
Pom cov khoom siv uas pom tau tias tib neeg lub qhov muag tuaj yeem pom, thiab lasers ntawm cov xim sib txawv sib xws. Piv txwv li, lub nthwv dej ntawm cov lasers liab yog hais txog 630 - 680 nm, thiab nthwv dej ntsuab yog li 532 nm. Pom cov lasers pom ncaj qha rau lub retina, thiab lub zog pom kev pom zoo tuaj yeem ua rau muaj kev tsis pom kev, tsis pom kev lossis qhov muag tsis pom kev. Tshwj xeeb, ntsuab lasers, vim lawv qhov muag pom kev zoo siab nyob hauv tib neeg lub qhov muag, tuaj yeem ua rau muaj kev puas tsuaj loj rau lub qhov muag txawm nyob ntawm lub hwj chim qis.
Lasers infrared (700 nm - 1 mm)
Cov lasers infrared tuaj yeem faib ua ze-infrared (}}}}}} {{{{{mm mm). Nyob ze-infrared lasers tuaj yeem nkag mus rau hauv nruab nrab ntawm lub qhov muag thiab ncav cuag cov retina, uas yuav ua rau muaj kev puas tsuaj thermal. Mid-infrared thiab far-infrared lasers tsuas yog nqus tau los ntawm cov pobta thiab lens, ua rau cov pa hluav taws xob, thiab tom qab ntawd ua rau mob pob txha thiab ua rau mob pob zeb.
2. Cov teeb meem kev phom sij ntawm lasers ntawm wavelengths txawv rau lub qhov muag
Thermal effect
Tom qab lub zog laser yog nqus los ntawm lub qhov muag ntaub, nws yuav hloov mus ua lub zog cua sov, ua rau cov nqaij kub kom nce. Thaum qhov kub nce siab rau qee yam, nws yuav ua rau cov ntaub so ntswg protein denaturation thiab kev necrosion ntawm tes. Piv txwv li, cov level-power pom pom kev zoo thiab ze-infrared lasers tsom rau lub retina yuav sai sai tsim cov nyiaj kub, ua rau rov kub kub. Lub thermal effect kuj tseem yuav ua rau thermal kev puas tsuaj rau lub lens thiab cov pob txha thiab cov pob txha, cuam tshuam rau nws cov khoom siv kho tshiab thiab kho qhov muag.
Yees Duab Pheej Yaus
Ultraviolet lasers thiab qee qhov pom kev lub teeb muaj siab poton lub zog thiab tuaj yeem hnov photochemically nrog roj ntsha molecules. Cov tshuaj tiv thaiv no yuav ua rau cov macorromececules ua rau xws li DNA thiab cov protein ntawm cov cell ua haujlwm thiab kev tuag ntawm tes tuag. Piv txwv li, tom qab ultraviolet laser laser iradadiation ntawm lub pob kws, nws yuav ua rau cov kab mob epithelial hlwb, thiab kev sib kis ntev ntev yuav ua rau mob pob txha.
Poob siab yoj cov nyhuv
High-zog pulsed tso tawm ntau ntawm lub zog nyob rau lub sijhawm luv luv, uas yuav tsim kev poob siab tsis shours hauv daim ntaub. Poob siab vuag yuav ua rau cov qauv kev puas tsuaj rau lub qhov muag nqaij ntswg ntawm lub qhov muag, xws li retinal detachment, lens tawg thiab lwm yam kev txhaum loj. Cov nyhuv no feem ntau muaj ntau dua nyob rau hauv daim ntawv thov ntawm high-hwj chim pulsed lasers, xws li qee lub zog loj pulsed laser kho laser hauv laser phais.
3. Kev tiv thaiv qhov muag ntsuas raws li EN207 tus qauv
Xaiv cov tsom iav tsim nyog
Qhov EN207 tus qauv cais tawm kev tiv thaiv kev tiv thaiv ntawmLaser Tiv Thaiv Tsom iavRaws li cov xwm txheej xws li laser wavelength, lub zog thiab cov mem tes cov yam ntxwv. Thaum xaiv tsom iav, nws yog ib qho tsim nyog los xaiv tsom iav nrog cov qib kev tiv thaiv raws li cov tsis siv ntawm lub laser siv. Piv txwv li, rau kev tiv thaiv laser laser las, tiv thaiv cov tsom iav uas tuaj yeem nqus tau zoo lossis muaj teeb tsa ulteriolet yuav tsum tau xaiv; Rau pom laser thiab infrared laser kev tiv thaiv, tsim nyog cov ntsiab muag tiv thaiv tsim nyog yuav tsum tau xaiv raws li lawv wavelength. Cov lo ntsiab muag ntawm tsom iav yuav tsum muaj cov khoom siv kho qhov muag zoo, xws li cov kev hloov pauv siab thiab tsis tshua muaj kev hloov pauv, kom paub meej tias tus neeg hnav tuaj yeem pom meej meej meej saib cov puag ncig ib puag ncig.
Kev hnav kom raug thiab siv tsom iav
Thaum hnav tsom iav tiv thaiv, nco ntsoov tias lub tsom iav haum kom nruj rau lub ntsej muag thiab tsis muaj lub teeb uge. Nyob rau tib lub sijhawm, them sai sai rau kev tu thiab tu cov tsom iav, siv plua plav, roj thiab lwm yam tsis tu ncua ntawm lub lens saum npoo av, uas yuav cuam tshuam rau cov nyhuv tiv thaiv. Thaum siv cov khoom siv laser,Tsom iav tiv thaivYuav tsum nco ntsoov hnav thiab yuav tsum tsis txhob muab tawm ntawm lub siab nyiam. Yog tias qee qhov kev ua haujlwm tshwj xeeb, xws li hloov kho txoj kev kho qhov muag ntawm laser, yuav tsum tau ua thaum muaj kev nyab xeeb ntxiv, xws li siv lub ntsej muag tiv thaiv.
Nquag xyuas cov kev ua tau zoo ntawmTsom iav tiv thaiv
Thaum siv, kev tiv thaiv kev tiv thaiv ntawm cov tsom iav tiv thaiv yuav raug cuam tshuam los ntawm yam xws li hnav thiab laus. Yog li ntawd, nws yog qhov tsim nyog los tshawb xyuas cov kev ua yeeb yam ntawm tsom iav tiv thaiv tsis tu ncua. Kev mus kuaj cov cuab yeej siv, xws li laser fais fab meters, thiab lwm yam, tuaj yeem siv los tshawb xyuas cov tsom iav tiv thaiv ntawm cov wavelengths. Yog tias kev tiv thaiv tsom iav pom tau pom kom txo qis, tsom iav tshiab yuav tsum tau hloov nyob rau lub sijhawm.
Lwm yam kev tiv thaiv kev tiv thaiv
Ntxiv rauhnav tsom iav tiv thaiv, lwm yam kev tiv thaiv tuaj yeem coj los txo cov kev puas tsuaj ntawm laser rau lub qhov muag. Piv txwv li, teeb tsa cov cim ceeb toom hauv thaj chaw Laser ua haujlwm kom nco qab cov neeg kom them nyiaj rau cov kev phom sij laser; Kev tsim nyog npaj cov txheej txheem ntawm cov khoom siv laser kom tsis txhob muaj kab teeb ci ncaj qha rau tib neeg lub qhov muag; Siv laser kev ntxaij cov ntxaij vab tshaus thiab lwm yam khoom siv los thaiv kev kis las ntawm lasers. Thaum ua haujlwm lasers, cov neeg ua haujlwm yuav tsum tau txais kev cob qhia kev tshaj lij, nkag siabLaser Kev Nyab XeebKev paub thiab cov txheej txheem kev ua haujlwm, thiab txhim kho kev nyab xeeb.
4. Kev tswj hwm thiab saib xyuas ntawm Kev Tiv Thaiv Qhov Muag Qhov Muag
Tsim kom muaj kev tswj hwm kev nyab xeeb
Cov koog uas siv cov khoom siv laser yuav tsum tsim kom tiavKev Tswj Xyuas Laser Laserthiab qhia meej txog lub luag haujlwm ntawm ntau lub chaw thiab cov neeg ua haujlwm. Lub kaw lus yuav tsum muaj cov kev xav tau kev nyab xeeb rau cov kev ua tiav, siv, kev tswj hwm thiab kev coj ua ntawm cov neeg ua haujlwm thiab kev tswj hwm cov khoom siv. Ua kom muaj kev nyab xeeb thaum siv lasers los ntawm tsim cov txheej txheem tswj kev nyab xeeb suab.
Ntxiv dag zog rau cov neeg ua haujlwm
Nws yog ib qho tseem ceeb heev uas yuav muaj kev cob qhia ntau rau cov neeg ua haujlwm koom nrog txoj haujlwm laser. Cov ntsiab lus kev cob qhia yuav tsum muaj suav nrog kev paub txog lasers, kev phom sij ntawm cov wavelengths,Kev tiv thaiv qhov muag ntsuas, thiab kev ua haujlwm cov txheej txheem ntawm cov khoom siv laser. Kev cob qhia yuav tsum tau ua kom ntseeg tau tias cov neeg ua haujlwm tuaj yeem ua raws li kev paub txog kev nyab xeeb tshiab thiab kev xav tau kev nyab xeeb tshiab. Nyob rau tib lub sijhawm, kev cob qhia xwm txheej ceev kuj yuav tsum tau ua kom cov neeg ua haujlwm raug mob thaum muaj kev sib tsoo laser muaj tshwm sim.
Kev Ntsuam Xyuas Kev Nyab Xeeb Kev Ruaj Ntseg
Chav ntsuas yuav tsum tau kev soj ntsuam kev nyab xeeb ntawm cov khoom siv ua haujlwm laser, suav nrog cov khoom siv laser, cov kev teeb tsa thiab cov khoom siv tiv thaiv ntawm cov neeg ua haujlwm. Rau kev nyab xeeb kev nyab xeeb pom thaum kuaj xyuas, ib daim ntawv qhia yuav tsum tau nqa tawm hauv lub sijhawm kom ntseeg taukev nyab xeeb ntawm laser ua haujlwmCov. Ib qho ntxiv, yuav tsum tau ua haujlwm yuav tsum tau ua haujlwm tsis tu ncua ntawm cov khoom tiv thaiv xws liTsom iav tiv thaivYuav kom ntseeg tau tias lawv cov kev tiv thaiv kev tiv thaiv raws li qhov yuav tsum tau ua.
5. Xaus
Cov kev thov ntau ntawm laser tau coj cov sijhawm yooj yim thiab kev txhim kho kom haum rau tib neeg lub neej, tab sis nws kuj coj cov kev ua phem rau lub qhov muag los ntawm laser hluav taws xob. Raws li EN207 tus qauv thoob ntiaj teb, peb yuav tsum nkag siab txog kev phom sij tshuab ntawm lasers ntawm cov wavelengths txawv rau lub qhov muag thiabNoj Kev Tiv Thaiv Qhov Muag Qhov Muag ZooCov. Los ntawm kev xaivtsim nyog tiv thaiv tsom iav, hnav thiab siv cov khoom siv tiv thaiv kom raug, tsis tu ncua kev tswj hwm thiab kev saib xyuas kev nyab xeeb, peb tuaj yeem tiv thaiv kev noj qab haus huv ntawm cov neeg ua haujlwm lub qhov muag.