Ihlobo liyashisa, lilungiselela iholide elincane lokuphuma abangani ukuze bakwazi ukuphuma benethezekile ukuze bajabulele ukukhanya kwelanga.Kodwa kubangane abagqoka izibuko, kodwa amehlo e-photophobia, abakwazi ukulandela inhliziyo ukugqoka izibuko zelanga noma badinga ukugqoka izibuko ezimbili zokucindezeleka.
Ukugqoka okuningi kwezibuko ze-myopic zomlingani omncane, inkathi yasehlobo yasentwasahlobo inekhanda elibuhlungu ngokungapheli: futhi i-myopic indlela yokugqoka i-sunglass futhi idinga ukuvikela elangeni?Isikhumba sokuvikela ilanga sansuku zonke asikwazi ukuvimbela iso indlela yokwenza?Idrayivu ye-Myopic kufanele wenze kanjani futhi?
Bheka isithombe esingenhla.Ungathanda ukufaka izibuko ezinemibala egqamile ezinenombolo ye-dioptre kuzo, noma izibuko ezinezibuko zelanga?
ELangeni elishisayo noma ekukhanyeni okukhanyayo eqhweni elingathi sina, amanzi, ukukhanya kuzoveza ukukhuthazeka okukhulu emehlweni.Kuleli qophelo, abantu bavame ukukhetha izibuko zelanga ukuze banciphise ukukhanya kwamehlo okugqugquzela.
Kodwa lapho abantu begqoka izibuko zelanga, ekamelweni elimnyama ngeke bakwazi ukubona izinto kanye nemvelo, ikakhulukazi kubangane abangaboni kahle, kumane nje "amehlo amabili amnyama" , izibuko zelanga azilula kangako.Ngakho-ke, indlela engcono kakhulu yokuvikela amehlo akho emonakalweni we-UV ngenkathi futhi unakekela izinkinga ze-refractive ukugqoka izibuko ezinemibala evikela i-Uv.Izibuko ezishintsha umbala ziyizibuko ezilula futhi ezisebenzayo, kodwa uyazi ukuthi kungani i-Lens izoshintsha umbala?Yiziphi izinzuzo zezibuko ezishintsha umbala?
1, Kungani Ilensi ye-chromotropic ingashintsha Umbala?
Amalensi Ashintsha Umbala, empeleni abizwa nge-Photochromic Lens, angamalensi ashintsha umbala kuye ngobukhulu bokukhanya kwe-ultraviolet nezinga lokushisa.Kukwilensi ye-resin evamile ukwengeza ama-photosensitizer ahlukene, njenge-Halide esiliva, i-barium acid esiliva, i-copper halide ne-chromium halide.Ngemuva kokushintshwa kombala kungaba nombala ohlukile, njenge-tawny, Tawny Grey, grey njalonjalo.
Isimiso sokushintsha umbala:
Lapho i-Lens yokushintsha umbala ikhiqizwa, inani elifanele le-halide esiliva liyengezwa njenge-photosensitizer.I-Silver Halide iyinhlanganisela ye-IONIC ye-Halogen nesiliva.I-halide esiliva ekhona esibukweni esishintsha umbala iyikristalu encane enezinhlayiya ezincane kakhulu futhi ihlakazeke ngokufanayo ku-Lens.Ngoba umfaniswano nezincane, ngakho lapho imisebe ukukhanya, ngokuvamile azibonakali ukusakaza mkhuba.Lokhu kwenza futhi izibuko ezinemibala egqamile zibukeke zicacile futhi zikhanye njengezibuko ezivamile.Uma kukhanyiswa ukukhanya (ikakhulukazi ukukhanya kwegagasi elifushane), ama-molecule esiliva e-halide kuLens ahlukana abe ama-athomu esiliva ne-halogen, abonisa noma ahlakaze ukukhanya, ukunqwabelana kwama-athomu esiliva amaningi kubangela amalensi abonakale amnyama ngokukhanyayo, noma ampunga. .
Ilensi eshintsha umbala iqinile.Nakuba ikristalu yesiliva ye-halide izobola ngaphansi kokukhanya okunamandla, ama-athomu esiliva ne-halogen akhiqizwa ukusabela kwamakhemikhali asondelene futhi ngeke aphunyuke, lapho ukukhanya kuma, abuyele esimweni se-silver halide ngokushesha, ngaleyo ndlela enze i-lens ibonakale. futhi.Ngaphezu kwalokho, inani elincane kakhulu le-oxide yethusi lengezwe kuma-Lens ashintsha umbala, asebenza njenge-catalyst futhi asheshisa ukubola kwe-halide yesiliva ngaphansi kokukhanya okunamandla.
2, Ubuchwepheshe bokushintshashintsha kwe-Discoloration Lens
Njengamanje, kunezinhlobo ezimbili zobuchwepheshe obushintsha umbala emakethe: Ukushintsha umbala wefilimu kanye nokuguqula umbala we-substrate.
Ukushintsha umbala kwefilimu ":ibhekisela ebusweni bomenzeli wokushintsha umbala welensi, ebonakala ngombala ongemuva okhanyayo eduze nokungenambala, okwaziwa nangokuthi ukuguqulwa kwefilimu enamalensi.
Izinzuzo: ukushintsha umbala ngokushesha, umbala ukushintsha umfaniswano ngaphezulu.
Ukungalungi: ukuhlangana nomphumela wombala wokushisa okuphezulu kungase kuthinteke ngezinga elithile.Ngenxa yokuthi i-coefficient yokunweba yefilimu eshintsha umbala ayifani naleyo yefilimu esebenzayo ebusweni Belensi, ifilimu ethi May Crack ngaphansi kokushintsha kwezinga lokushisa lesikhathi eside (ukushintsha kwangaphakathi nangaphandle) .
Ukushintsha umbala kwe-substrate ": ikusixhumanisi sokucubungula impahla ye-lens ye-monomer esivele ixutshwe ngaphambi kwesikhathi kumenzeli wokushintsha umbala.
Izinzuzo: isivinini sokukhiqiza esisheshayo, imikhiqizo engabizi kakhulu.
Ukungalungi: Ukuphakama Kwelensi kanye nengxenye emaphakathi yonqenqema lombala kuzohluka, idigri yobuhle ayiyinhle njengefilimu ye-chromotropic Lens.
3, Ukushintsha kombala weLens yokushintsha umbala
Ukuba mnyama nokukhanya kwamalensi ashintsha umbala kuhlobene ngokuyinhloko namandla emisebe ye-ultraviolet, futhi ukushuba kwemisebe ye-ultraviolet nakho kuhlobene nendawo ezungezile kanye nenkathi yonyaka.
Izinsuku ezinelanga: Amafu omoya wasekuseni mancane, avimbe i-UV encane, ngakho-ke, ekuseni kweLens eshintsha umbala kuzoba mnyama.Kusihlwa, ukukhanya kwe-UV kuba buthaka futhi amalensi aba lula.
Ukusibekela: Ukukhanya kwe-UV kuba buthaka ngezinsuku zokusibekela, kodwa kusengafinyelela phansi, ngakho amalensi amnyama asengashintsha umbala ukuze akuvikele, akwenze kube lula kunezinsuku ezinelanga.
Izinga lokushisa: ngaphansi kwezimo zokushisa ezijwayelekile, njengoba izinga lokushisa likhuphuka, umbala wamalensi ashintsha umbala kancane kancane uzolula njengoba izinga lokushisa likhuphuka;ngokuphambene, lapho izinga lokushisa lincipha, ama-lens ashintsha umbala kancane kancane azoba mnyama.Kalula nje, lokhu kungenxa yokuthi lapho izinga lokushisa liphezulu, ama-athomu esiliva ne-halogen asebolile kakade ayophinde ancishiswe abe yi-halide esiliva ngaphansi kwesenzo samandla amakhulu, ngakho umbala welensi uyoba lula.———— ————Yingakho, ehlobo, nakuba imisebe ye-UV ishubile, izinga lokushisa eliphezulu nokushisa okuphezulu phezu kwamalensi akukwazi ukubangela amalensi abe mnyama kakhulu, amandla ayo e-UV empeleni alingana nokuchayeka kwe-UV ehlobo. , kodwa izinga lokushisa le-lens liphansi, umbala uzojula.
Ngaphakathi: Amalensi Anemibala awavamisile ukushintsha umbala futhi ahlale esobala futhi engenambala ngaphakathi endlini, kodwa asengashintsha umbala uma evezwe ekukhanyeni kwe-UV okuzungezile, anikeze isivikelo se-UV esisheshayo.
4. Kungani sikhetha amalensi anombala?
Ngokukhula kwe-Myopia, abantu badinga ama-lens amaningi ashintsha umbala, ikakhulukazi entwasahlobo nasehlobo, ilanga elishisayo, imisebe ye-ultraviolet enamandla, kungenzeka ukuthi kubangele ukulimala kwamehlo.
Imisebe ye-Ultraviolet evela elangeni ihlukaniswe ngamabhande amane ngokuya nge-wavelength: UVA, UVB, UVC, UVD.I-UVA ne-UVB yizona ezihamba phambili ezingena emkhathini zifinyelele phezulu.
I-UVA, okungukuthi, UVA, UVA, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB , UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, UVB, ikakhulukazi ehlobo nantambama.
Amehlo ethu angakwazi ukumunca ububanzi obubanzi be-UV, ukumuncwa ngokweqile kwe-UV isikhathi eside kungabangela ukulimala kwamehlo:
ukuwohloka kwe-macular: ngokuhamba kwesikhathi, ukulimala kwe-retina okubangelwa ukuwohloka kwe-macular (AMD) , futhi kuyimbangela eyinhloko yobumpumputhe obuhlobene nobudala.UKUCHAZEKA ISIKHATHI ESIDE EKUkhanyeni kwe-UV kwandisa ingozi yokonakala kwe-macular.
I-Cataract: I-cataract ukufiphala kwe-lens yeso, ingxenye yeso lapho ukukhanya kugxile khona.Ukuchayeka ekukhanyeni kwe-ultraviolet, ikakhulukazi i-UVB, kwandisa ingozi yezinhlobo ezithile zolwelwesi lwamehlo.Kulinganiselwa ukuthi amaphesenti angu-10 azo zonke izifo ze-cataract abangelwa ngokuqondile ukuchayeka kwe-UV.
I-PTERYGIUM (N) : Ivamise ukubizwa ngokuthi “iso le-surfer, ” I-PTERYGIUM isitshalo esibomvana, esingenawo umdlavuza esakha ungqimba lwe-conjunctival ngaphezu kweso.Futhi ukukhanya kwe-ultraviolet kucatshangwa ukuthi kuyisici esinomthelela.
I-Heliokeratitis: eyaziwa nangokuthi i-corneal Ukushiswa yilanga noma “ubumpumputhe beqhwa,” I-Keratitis ingumphumela wokuchayeka isikhathi esifushane emisebeni ye-UVB.Ukushushuluza isikhathi eside ogwini noma ngaphandle kwezibuko ezifanele kungabangela inkinga, okungaholela ekulahlekelweni kombono okwesikhashana.
Ngakho-ke, ngesidingo se-Sunscreen kanye ne-myopic abantu bashintsha inkathazo ye-sunscreen yamehlo kuyisinqumo sokuqala samalensi ashintsha umbala.
Isikhathi sokuthumela: Jul-30-2021