Ehlobo elishisayo, imisebe ye-ultraviolet izoqina. Ngesisekelo sokukhathala, amehlo azophinde abhekane nenselele yemisebe ye-ultraviolet. Imisebe ye-ultraviolet enamandla ngezinye izikhathi ingabangela imivimbo “ebhubhisayo” emehlweni.
Ingakanani ingozi engase ibangele imisebe ye-ultraviolet emehlweni ethu? I-solar ophthalmia, esivame ukuzwa ngayo, ukulimala kwamehlo okubangelwa ukukhanya kwelanga okunamandla. Ngemva kwamafu, amanzi azolile, noma izindawo ezinkulu zeqhwa zibonisa ukukhanya kwelanga, i-cornea yongqimba lweso olungaphandle lushiswa imisebe ye-ultraviolet. Amehlo azothola ubuhlungu obunzima, ome, izinyembezi, ukuzwa umzimba wangaphandle owugwadule, ukuminyana kwe-conjunctival, edema, njll. Ukukhanya kwelanga okunamandla kakhulu kungase kubangele izifo zamehlo ezingapheli, njenge-cataract, macular degeneration, pterygium, conjunctivitis engapheli, njll. “Uma ubuka ilanga ngqo, kungase kubangele ne-eclipse retinitis.” Kudingeka izibuko zelanga ehlobo!!
Indima yezibuko zelanga
01 Vimbela ukuchayeka emisebeni ye-ultraviolet ekukhanyeni kwelanga
Umsebenzi oyinhloko wezibuko zelanga ukuvimbela imisebe ye-ultraviolet ekukhanyeni kwelanga ukuthi ibangele ukulimala kwamehlo. Lapho amehlo echayeke ekukhanyeni okukhulu, iris ngokwemvelo iyoncipha ukuze inciphise inani lokukhanya elingenayo, kodwa lapho ukukhanya kudlula ikhono leso lomuntu lokuzilungisa, kuyolimaza i-retina. Izibuko zelanga zingase zikhiphe kuze kufike ku-97% wokukhanya okungena esweni, ngaleyo ndlela kugwemeke lo monakalo. Ngaphezu kwalokho, izibuko zelanga azikwazi nje ukuvimba imisebe ye-ultraviolet kuphela kodwa futhi ne-infrared, zivikele nakakhulu amehlo emonakalweni.
02 Vimbela ukuvezwa okubenyezelayo
Omunye wemisebenzi esemqoka yezibuko zelanga ukuvikela ukuchayeka okuxhophayo. Ezinye izindawo, njengamanzi, zingabonisa ukukhanya okukhulu, okubangela umuzwa onamandla wokuxhopha. Lokhu kucwebezela kungaphazamisa ukubona noma kwenze izinto zibonakale zilufifi. Ama-lens ane-polarized angakwazi ukuqeda lokhu kukhanya. Ibha ehlukanisayo emaphakathi nelensi ingavimba zonke izinhlobo zokukhanya okungahlelekile, iguqule ukukhanya kube ukukhanya okuhambisanayo ukuze kungene emehlweni, ngaleyo ndlela kuthuthukiswe ukucaca okubonakalayo.
03 Vimba umoya nesihlabathi
Izibuko zelanga zidlala indima ebalulekile ekuvimbeni umoya nesihlabathi. Uma abantu besendaweni enomoya nesihlabathi, amalensi ezibuko zelanga angavimba ngempumelelo isihlabathi esindizayo futhi anciphise ukucasuka nokulimala kwamehlo okubangelwa izinhlayiya zesihlabathi. Ngaphezu kwalokho, amafreyimu ezibuko zelanga ngokuvamile aklanywa ukuba aqine, okungase kuvimbele umoya nesihlabathi ukuba zingangeni emehlweni. Ngakho-ke, esimweni sezulu esinomoya nesihlabathi noma imisebenzi yangaphandle, ukugqoka izibuko zelanga akusizi nje ukuvikela amehlo emoyeni nasesihlabathini kodwa futhi kuthuthukisa ukunethezeka okubonakalayo.
Indlela yokukhetha izibuko zelanga ngendlela efanele
Ukugqoka izibuko zelanga noma izibuko zelanga kudinga ukuzigqokisa esikhungweni sokubonwayo esibhedlela. Ukukhetha izibuko ezifanele wena awukwazi nje ukufeza injongo yobuhle kodwa futhi unciphise imisebe ye-ultraviolet elangeni, okwenza amehlo akhululeke futhi angapheli. Ukusetshenziswa kwezibuko zelanga noma izibuko zelanga kufanele kwenziwe ngaphansi kokuqondisa okufanele kodokotela bamehlo ukuze kugwenywe ukulimala kwamehlo ngenxa yokungafaneleki.
Ngakho-ke, sibhekene nezinhlobonhlobo zezibuko zelanga, kufanele sikhethe kanjani? Kudingekile ukulungisa izibuko zelanga ehlobo, kodwa uma ukhetha izibuko zelanga ezingaphansi, ngeke nje kuhluleke ukumelana nemisebe ye-ultraviolet kodwa futhi kunwebise abafundi futhi kwenze ilensi yamehlo imunce imisebe ye-ultraviolet eyengeziwe. Ngakho-ke, lapho ukhetha izibuko zelanga, umuntu kufanele acabangele kokubili impilo kanye nomhlobiso. Ngokuvamile, asikwazi ukusho ngeso lenyama ukuthi izibuko zelanga ziyasebenza yini njenge-anti-ultraviolet. Ilogo yomkhiqizo iyinkomba yokuthi abathengi bathenge izibuko zelanga. Izakhamuzi zingakwazi ukubona ama-logo afana nokuthi “UV400″ kanye “Vimbela yonke imisebe ye-ultraviolet” kumalebula weminye imikhiqizo nangaphambili kwezibuko.” Ochwepheshe basikisela ukuthi ukuze uvikele impilo yamehlo, kufanele ukhethe izibuko zelanga ezinokuvikelwa kwe-UV ukuze ukhiphe imisebe ye-ultraviolet engaphansi kuka-380nm ngangokunokwenzeka.
Amalensi kufanele abe mpunga, abe nsundu noma abe luhlaza.
"Imiphumela yemibala ehlukene yamalensi ezibuko ayifani. Amalensi ansundu angakwazi ukumunca okunsomi nokuluhlaza okwesibhakabhaka ekukhanyeni, acishe amunce u-100% wemisebe ye-ultraviolet ne-infrared, futhi umbala othambile wenza amehlo angakhathali; amalensi ampunga angakwazi ukumunca ngokuphelele imisebe ye-infrared kanye nemisebe eminingi ye-ultraviolet ngaphandle kokushintsha umbala wangempela wendawo; imisebe ye-ultraviolet engu-9% nayo yonke i-ultraviolet ray ingakwazi ukumunca yonke imisebe ye-ultraviolet. kuhle ukuvikela iso. Umbala welensi kufanele ukhethwe ngokusekelwe esimisweni sokuthi umbala wendawo ezungezile awuhlanekezeli, imiphetho yezinto icacile, futhi imibala ehlukene yamalambu omgwaqo ingabonakala ngokuphumelelayo. umphumela onamandla wokuvimbela ukukhanya, kodwa akusho ukuthi ikhono lokuvimbela imisebe ye-ultraviolet linamandla. Umbala welensi yezibuko zelanga ngokuvamile ukujula okuphakathi, ngaphandle kwalokho, kunzima ukuhlonza umbala werobhothi.
Uma ufuna ukwazi okwengeziwe mayelana nezitayela zemfashini yezibuko kanye nokubonisana nezimboni, sicela uvakashele iwebhusayithi yethu futhi usithinte noma nini.
Isikhathi sokuthumela: Sep-02-2024