I.Intshayelelo kwiiLensi zePhotochromic
A. Inkcazo kunye nokusebenza:Iilensi zePhotochromic, ezidla ngokubizwa ngokuba ziilensi zenguqu, ziilensi zeglasi eyenzelwe ukuba mnyama ngokuzenzekelayo ekuphenduleni ukukhanya kwe-UV kwaye ibuyele kwimeko ecacileyo xa ukukhanya kwe-UV kungasekho.Oku kusebenza okuguquguqukayo kwenza iilensi zinikeze ukhuseleko ekukhanyeni kwelanga kunye ne-glare, ezenza zilungele ukusetyenziswa kwangaphakathi nangaphandle.Xa zisesichengeni semitha ye-UV, iilensi zifumana umchiza obangela ukuba zibe mnyama, nto leyo enika lowo uzinxibileyo ukubona kakuhle kwiimeko ezahlukeneyo zokukhanya.Nje ukuba ukukhanya kwe-UV kuncipha, iilensi ngokuthe ngcembe zibuyela kwimeko yazo ecacileyo.Olu phawu lweelensi ze-photochromic luvumela ukulungelelaniswa okungenamthungo kunye nokufanelekileyo kwiindawo eziguqukayo, ukunciphisa imfuno yokutshintsha phakathi kweeglasi zamehlo kunye nezibuko zelanga.
B. Imbali noPhuhliso:Imbali yeelensi ze-photochromic inokulandelwa emva kwe-1960 yokuqala.ICorning Glass Works (ngoku eyiCorning Incorporated) iphuhlise kwaye yazisa ilensi yokuqala yorhwebo yefotochromic ngo-1966, ebizwa ngokuba yi "PhotoGray" lens.Ezi lens ziyinto entsha emangalisayo kuba ziye zibemnyama ngokuzenzekelayo xa zibekwe kwimitha ye-UV, emva koko zibuyele kwindawo ecacileyo ngaphakathi.Ukuphuhliswa kweteknoloji ye-photochromic lens ibandakanya ukubandakanya iimolekyuli ezikhethekileyo zokukhanya (ngokuqhelekileyo i-halide yesilivere okanye i-organic compounds) kwi-lens material.Ezi molekyuli zifumana ukuguqulwa kweekhemikhali eziguqulwayo phantsi kwempembelelo yokukhanya kwe-ultraviolet, okubangela ukuba iilensi zibe mnyama.Xa imitha ye-UV isiba buthathaka, iimolekyuli zibuyela kwimeko yazo yangaphambili, zenza iilensi zibonakale kwakhona.Ukutyhubela iminyaka, ukuqhubela phambili kwezixhobo kunye neenkqubo zokuvelisa kukhokelele ekuphuculweni kokusebenza kwelensi yefotochromic, njengokusebenza ngokukhawuleza kunye namaxesha okufiphala, uvakalelo olubanzi lokukhanya, kunye nokuchasana ngcono kutshintsho lobushushu.Ukongezelela, ukuqaliswa kweelensi ze-photochromic ngemibala eyahlukeneyo kunye ne-shades kuye kwandise ukuguquguquka kwazo kunye nokubhenela kubathengi.Namhlanje, iilensi zefotochromic ziyafumaneka kubavelisi beempahla zamehlo ezahlukeneyo kwaye ziye zaba lukhetho oludumileyo lwabantu abafuna ukulungelwa kweempahla zamehlo ezinokuziqhelanisa neemeko ezahlukeneyo zokukhanya.Uphuhliso oluqhubekayo kwiteknoloji ye-photochromic lens iyaqhubeka nokugxila ekuphuculeni iimpawu zabo ezibonakalayo, ukuqina kunye nokuphendula kwiinguqu ekukhanyeni, ukuqinisekisa ukunethezeka okubonakalayo kunye nokukhuselwa komntu onxibileyo.
II.Properties kunye neempawu
A. Uvakalelo loKhanya kunye nokuVuselelwa:Iilensi zePhotochromic zenzelwe ukuba zisebenze ekuphenduleni ukukhanya kwe-ultraviolet (UV).Xa zisesichengeni semitha yeUV, iilensi zifumana imichiza ezenza zibe mnyama, zikhusela ekukhanyeni kwelanga.Iilensi zefotochromic ziyasebenza kwaye zibemnyama ngokuxhomekeke kubukhulu bokukhanya kwe-UV.Ngokuqhelekileyo, iilensi ziya kuba mnyama kwilanga elithe ngqo kunemeko yokukhanya okuphantsi.Kuyaphawuleka ukuba ayizizo zonke iindawo zokukhanya ezikhupha imitha ye-UV ebalulekileyo, okuthetha ukuba izibane zangaphakathi kunye neefestile zemoto zinokungabangeli ukusebenza kweelensi zephotochromic.Ke ngoko, iilensi zinokungabi mnyama xa zibonakaliswe kwezi ntlobo zokukhanya.Nje ukuba umthombo wokukhanya we-UV ususiwe, ilens photochromiciya kubuyela ngokuthe ngcembe kwisimo sayo esicacileyo.Xa imitha ye-UV iyancipha, inkqubo yokucima iyenzeka, ibuyisela iilensi ekucaceni kwazo kwasekuqaleni.Ukwandisa ukusebenza kweelensi ze-photochromic, kubalulekile ukuqonda izinto ezichaphazela ukusebenza kwazo kunye nokukhanya kokukhanya.Oku kubandakanya ukuqwalasela ubunzulu kunye nobude be-UV exposure, kunye neempawu ezithile zelensi ngokwayo.Ukongeza, isantya apho iilensi zisebenza kwaye ziphele zinokwahluka ngokuxhomekeke kwibhrendi kunye nobuchwepheshe obusetyenzisiweyo.Xa ukhetha iilensi ze-photochromic, kuyacetyiswa ukuba udibane nochwepheshe be-eyewear ukuqinisekisa ukuba iilensi zihlangabezana neemfuno zakho ezithile kwaye zinikeze umgangatho ofunekayo wokukhanya kunye nokusebenza.Oku kunceda ukuqinisekisa ukuba ufumana intuthuzelo ebonakalayo ebonakalayo kunye nokukhuselwa kwiimeko ezahlukeneyo zokukhanyisa.
B. Ukhuseleko lwe-UV C. Inguqu yoMbala:Iilensi zePhotochromic zixhotyiswe ngengubo ekhethekileyo etshintsha ilens ukusuka ecacileyo ukuya kumnyama xa ibonakaliswe kukukhanya kwe-ultraviolet (UV).Olu tshintsho lunceda ukukhusela amehlo akho kwimitha ye-UV eyingozi kwaye iluncedo ngakumbi kubantu abachitha ixesha elininzi ngaphandle.Xa imitha ye-UV iyancipha, iilensi zibuyela kwimeko yazo ecacileyo, zivumela ukuba zilungelelanise ngokuzenzekelayo kwiimeko eziguqukayo zokukhanya.Eli nqaku lenza iilensi zefotochromic zibe lukhetho oludumileyo lweendondo zamehlo kunye nezibuko zelanga kuba zibonelela ngokhuseleko lwe-UV kunye nokulula.
III.Izibonelelo kunye nezicelo
A. Uncedo lweMisebenzi yaNgaphandle:Iilensi zePhotochromiclukhetho olukhulu kwimisebenzi yangaphandle kuba zibonelela ngokulula ngokulungelelanisa ngokuzenzekelayo ukutshintsha iimeko zokukhanyisa.Nokuba uhamba kwaye uphuma kwiindawo ezinomthunzi, ukukhwela ibhayisekile kumazinga ahlukeneyo elanga, okanye ukonwabela nje usuku ngaphandle, iilensi zefotochromic zilungele ukubonelela ngokubonakala okugqibeleleyo kunye nokhuseleko lwe-UV.Oku kuthetha ukuba akufuneki utshintshe iiglasi zelanga ezahlukeneyo rhoqo, uzenze zibe lukhetho olufanelekileyo nolusebenzayo kuye nawuphi na umntu othanda ngaphandle.
B. uKhuseleko lweMpilo yamehlo:Iilensi zePhotochromic, ezikwabizwa ngokuba ziilensi zenguqu, zibonelela ngeenzuzo ezahlukeneyo kwimpilo yamehlo.Ezi lens ziba mnyama ngenxa yemitha ye-UV, ngaloo ndlela zikhusela ngokuzenzekelayo kwimitha ye-UV eyingozi.Oku kunceda ukunciphisa ingozi yorhatyazo kunye nezinye izifo zamehlo ezibangelwa kukuchanabeka ixesha elide kwimitha ye-UV.Ukongezelela, iilensi ze-photochromic zinokuphucula induduzo ebonakalayo ngokunciphisa ukukhanya kunye nokuphucula ukungafani kwiimeko ezahlukeneyo zokukhanya, ekugqibeleni zixhasa impilo yamehlo kunye nentuthuzelo ngexesha lemisebenzi yangaphandle.
C. Ukuguquguquka kweeMeko zokuKhanya ezahlukeneyo:Iilensi ze-Photochromic zenzelwe ukulungelelanisa kwiimeko ezahlukeneyo zokukhanyisa, ukubonelela ngeendlela ezahlukeneyo kwiindawo ezahlukeneyo.Xa zisesichengeni semitha yeUV, ezi lens ziba mnyama ukuze kuncitshiswe ukukhanya nokukhusela amehlo kwimitha eyingozi.Oku kubenza balungele imisebenzi yangaphandle efana nokunyuka intaba, ukukhwela ibhayisekile, kunye nokutyibilika, apho iimeko zokukhanya zinokutshintsha ngokukhawuleza.Iilensi zePhotochromic zikhawuleza zilungelelanise amanqanaba okukhanya ahlukeneyo, ukuphucula intuthuzelo ebonakalayo kunye nokucaca, ukuvumela abanxibi ukuba bagcine umbono ofanelekileyo kungakhathaliseki ukuba iimeko zokukhanya.Oku kuguquguquka kwenza iilensi ze-photochromic zibe lukhetho oludumileyo kubantu abafuna ukhuseleko lwamehlo oluthembekileyo kunye nokuguquguquka kwamehlo.
IV.Iingqwalasela kunye neMida
A. Ixesha leMpendulo Kutshintsho lokukhanya:Ixesha lokuphendula leiilensi photochromicutshintsho ekukhanyeni lunokwahluka, ngokuxhomekeke kwibhrendi ethile kunye nodidi lwelensi.Ngokuqhelekileyo, nangona kunjalo, iilensi zephotochromic ziqala ukuba mnyama ngaphakathi kwemizuzwana yokuvezwa imitha ye-UV kwaye zinokuqhubeka nokuba mnyama kwimizuzu emininzi de zifikelele kwi-tint yazo ephezulu.Ukusabela ngokukhawuleza kweemolekyuli ezibuthathaka kukukhanya kwilensi kukutyhileka kwe-UV kumisela ukuba kwenzeka ngokukhawuleza kangakanani na utshintsho.Ngokunjalo, xa iilensi zingasabonakali kwimitha ye-UV, ngokuthe ngcembe ziya kuqalisa ukuqaqamba, inkqubo edla ngokuthatha imizuzu eliqela ukubuyela ekucaceni ngokupheleleyo.Kubalulekile ukuqaphela ukuba isantya sokuphendula sinokuchatshazelwa bubunzulu be-UV, ubushushu kunye nobomi beelensi.
B. Uvakalelo lobushushu:Ubushushu bobushushu beelensi zephotochromic bubhekisa kwimpendulo yelensi ekutshintsheni kobushushu.Iilensi zefotokhromic zinokuba novakalelo oluthile kwiqondo lobushushu ngenxa yokukwazi ukusabela ekukhanyeni kwe-ultraviolet (UV) kunye nokuba zikhawuleza kangakanani na utshintsho ukusuka elucwecweni ukuya kwi-tinted kunye ngokuphambanayo.Ngokuqhelekileyo, amaqondo obushushu agqithisileyo (abanda kakhulu okanye ashushu kakhulu) anokuchaphazela ukusebenza kweelensi zephotochromic, mhlawumbi kubangele ukuba baphendule ngokukhawuleza okanye banciphise uluhlu lwabo lwetoni.Qinisekisa ukuba ukhangele iinkcukacha zomenzi kunye nemiyalelo yokunyamekela ngolwazi oluthile malunga nobuntununtunu bobushushu beelensi zephotochromic.
C. Ukuhambelana nezakhelo ezahlukeneyo:Iilensi zePhotochromiczihambelana ngokubanzi neentlobo ezahlukeneyo zeefreyimu zeglasi yamehlo, kubandakanywa isinyithi, iplastiki kunye neefreyimu ezingenamsinga.Nangona kunjalo, kubalulekile ukuqinisekisa ukuba izakhelo ozikhethayo zifanelekile kwizinto ezithile zelensi kunye nobukhulu.Kwiilensi ze-photochromic eziphezulu, iifreyimu ezineempumlo ezilungelelanisiweyo okanye iiprofayili ezisezantsi zihlala zinconywa ukuqinisekisa ukufaneleka ngokufanelekileyo kunye nokuphepha imiba yobukhulu belensi.Xa ukhetha iifreyimu zeelensi ze-photochromic, kubalulekile ukuqwalasela ubungakanani kunye nokuma kweelensi, kunye noyilo lwesakhelo, ukuqinisekisa umphumo okhululekile kunye nobuhle.Ukongeza, izitayile ezithile zesakhelo zinokubonelela ngokhuselo olungcono kunye nokukhuselwa kwelanga xa usebenzisa iilensi zefotochromic ngaphandle.Okokugqibela, kuyacetyiswa ukuba udibane nogqirha wakho wamehlo okanye uchwephesha wamehlo ukuze uqinisekise ukuba iifreyimu ozikhethayo ziyahambelana neelensi zakho zefotochromic kwaye zihlangabezana nombono wakho kunye neemfuno zakho zokuphila.
Ixesha lokuposa: Jan-22-2024