Iiglasi zokuthintela eziluhlaza, ngaba kufuneka uzinxibe?

Abantu bahlala bebuza ukuba kufuneka banxibe ipereiiglasi ezibhlowuukukhusela amehlo abo xa bejonge kwikhompyuter yabo, ipad okanye ifowuni ephathwayo.Ngaba i-myopia laser ichanekile emva kotyando kufuneka inxibe iiglasi ze-anti blue ray ukukhusela iliso?Ukuphendula le mibuzo, ukuqonda kwenzululwazi ukukhanya okuluhlaza kuyafuneka kuqala.

iilensi zebhlokhi eziluhlaza

Ukukhanya okuluhlaza bubude obufutshane obuphakathi kwe-400 kunye ne-500nm, eyinxalenye ebalulekileyo yokukhanya kwendalo.Kwakuhlaziya ukubona isibhakabhaka esiluhlaza kunye nolwandle oluluhlaza.Kutheni ndibona isibhakabhaka nolwandle ziluhlaza?Kungenxa yokuba ukukhanya okufutshane okuluhlaza okuluhlaza okuvela elangeni kusasazwa ngamasuntswana aqinileyo kunye nomphunga wamanzi esibhakabhakeni kwaye kungena esweni, nto leyo eyenza isibhakabhaka sibonakale siluhlaza.Xa ilanga libetha kumphezulu wolwandle, amaza amaninzi afunxwa lulwandle, ngoxa ukukhanya okuluhlaza okwesibhakabhaka kumaza amafutshane okukhanya okubonakalayo akutsalwa, kubonakalisa iliso nokwenza ulwandle lubonakale luhlaza okwesibhakabhaka.

Ukulimala kokukhanya okuluhlaza okwesibhakabhaka kubhekiselele koko kukhanya okwesibhakabhaka kunokufikelela ngokuthe ngqo kwi-fundus, kwaye isenzo se-photochemical esibangelwa kukuvezwa singonakalisa iiseli ze-retinal rod kunye ne-retinal pigment epithelial cell layer (RPE), ekhokelela ekuwohlokeni kwe-macular ezinxulumene neminyaka.Kodwa emva kweminyaka yophando, izazinzulu ziye zafumanisa ukuba kuphela amaza amafutshane okukhanya okwesibhakabhaka (ngaphantsi kwe-450nm) ngoyena nobangela womonakalo wamehlo, kwaye umonakalo uhambelana ngokucacileyo nexesha kunye nedosi yokuvezwa kokukhanya okuluhlaza okwesibhakabhaka.

Ngaba izibane ze-LED ezisetyenziswa ngokubanzi kubomi bethu bemihla ngemihla ziyingozi ekukhanyeni okuluhlaza okwesibhakabhaka?Izibane ze-LED zikhupha ukukhanya okumhlophe ngokuvuselela iphosphor emthubi nge-blue chip.Ngaphantsi kwemeko yokushisa kombala ophezulu, kukho i-crest eyomeleleyo kwibhanti eluhlaza okwesibhakabhaka yokukhanya komthombo wokukhanya.Ngenxa yobukho bombala oluhlaza okwesibhakabhaka kwibhendi engaphantsi kwe-450nm, kuyimfuneko ukulawula ukukhanya okuphezulu okanye ukukhanya kwe-LED ngaphakathi koluhlu olukhuselekileyo lokukhanyisa okuqhelekileyo kwangaphakathi.Ukuba ngaphakathi kwe-100kcd·m -- 2 okanye 1000lx, ke ezi mveliso azinabungozi kukukhanya okuluhlaza.

Oku kulandelayo ngumgangatho we-IEC62471 wokhuseleko lokukhanya oluhlaza okwesibhakabhaka (ngokuhambelana namehlo avunyelwe ukuhlelwa kwexesha lokulungiswa), lo mgangatho usebenza kuyo yonke imithombo yokukhanya ngaphandle kwelaser, yamkelwe ngokubanzi ngamazwe:
(1) Uziro wengozi: t > 10000s, oko kukuthi, akukho ngozi yokukhanya eluhlaza okwesibhakabhaka;
(2) Iklasi yeengozi: 100s≤t <10000s, evumela amehlo ixesha elide njengemizuzwana ye-10000 ukujonga ngokuthe ngqo kumthombo wokukhanya ngaphandle kokulimala;
(3) Iingozi zeKlasi II: 0.25s≤t <100s, efuna ukuba amehlo ajonge ixesha lomthombo wokukhanya alikwazi ukudlula imizuzwana ye-100;
(4) Iintlobo ezintathu zeengozi: t <0.25s, iliso lijonge kumthombo wokukhanya we-0.25 imizuzwana inokuvelisa iingozi.

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Okwangoku, izibane ezisetyenziswa njengezibane ze-LED kubomi bemihla ngemihla zihlelwa ngokwesiseko njengeCandelo leZero kunye neengozi zoDidi lokuQala.Ukuba luhlobo lwesibini lweengozi, zineeleyibhile ezinyanzelekileyo (" Amehlo akakwazi ukujonga ").Ingozi yokukhanya okuluhlaza kwesibane se-LED kunye neminye imithombo yokukhanya iyafana, ukuba ngaphakathi kwendawo yokukhusela, le mithombo yokukhanya kunye nezibane zisetyenziswa ngendlela eqhelekileyo, engenabungozi emehlweni abantu.Ii-arhente zikarhulumente zasekhaya kunye nezangaphandle kunye nemibutho yoshishino lokukhanyisa yenze uphando olunzulu kunye novavanyo oluthelekisayo kwi-photobiosafety yezibane ezahlukeneyo kunye neenkqubo zesibane.I-Shanghai Lighting Lighting Quality Supervision and Inspection Station iye yavavanya iisampulu ze-LED ezingama-27 ezivela kwimithombo eyahlukeneyo, i-14 yazo iyingxenye engeyongozi kunye ne-13 yazo yengozi yeklasi yokuqala.Ngoko ikhuselekile.

Ngakolunye uhlangothi, kufuneka sinikele ingqalelo kwimiphumo enenzuzo yokukhanya okuluhlaza okwesibhakabhaka emzimbeni.Izazinzulu zifumene ukuba iiseli ze-retinal ganglion ezikhanyayo (ipRGC) zibonisa i-opmelanin, ejongene nemiphumo engabonakaliyo yebhayoloji emzimbeni kwaye ilawula izingqisho ze-circadian.I-optic melanin receptor inovelwano kwi-459-485 nm, eyona nxalenye ye-wavelength eluhlaza okwesibhakabhaka.Ukukhanya okuluhlaza okwesibhakabhaka kulawula izingqisho ze-circadian ezifana nesantya sentliziyo, ukuphaphama, ukulala, ubushushu bomzimba kunye nokubonakaliswa kofuzo ngokuchaphazela ukukhutshwa kwe-optic melanin.Ukuba isigqi se-circadian siphazamiseka, sibi kakhulu kwimpilo yabantu.Ukukhanya okuluhlaza kuye kwaxelwa ukuba kunyanga iimeko ezifana nokudakumba, ukuxhalaba kunye nengqondo.Okwesibini, ukukhanya okuluhlaza okwesibhakabhaka kunxulumene ngokusondeleyo nombono wasebusuku.Umbono wasebusuku uveliswa ziiseli zentonga ezingevayo kukukhanya, ngelixa ukukhanya okuluhlaza kusetyenziswa ikakhulu kwiiseli zentonga.Ukukhuselwa okugqithisileyo kokukhanya okuluhlaza kuya kukhokelela ekuboneni ebusuku.Uvavanyo lwezilwanyana lukwafumanise ukuba ukukhanya kobude obufutshane obufana nokukhanya okuluhlaza okwesibhakabhaka kunokuthintela i-myopia kwizilwanyana zovavanyo.

Lilonke, akufuneki sigqithise iziphumo ezinobungozi zokukhanya okuluhlaza emehlweni.Ubulunga be-electronics sele buhluza ukukhanya okuluhlaza okuyingozi kwamaza amafutshane, angenabungozi.Iiglasi zokuvala eziluhlaza zixabiseke kuphela xa zibonakaliswe kumanqanaba aphezulu kunye nexesha elide lokukhanya okuluhlaza okwesibhakabhaka, kwaye abasebenzisi kufuneka bakuphephe ukujonga ngokuthe ngqo kwimithombo eqaqambileyo.Xa ukhethaiiglasi ezibhlowu, kufuneka ukhethe ukukhusela isibane esiyingozi samaza amafutshane aluhlaza ngezantsi kwe-450nm kwaye ugcine ukukhanya okuluhlaza okuluncedo ngaphezulu kwe-450nm kwibhendi ende.


Ixesha lokuposa: Nov-16-2022