Izinto ezivela lapho i-lens enziwe ayinethonya elincane emandleni okulungisa lens, kodwa ingaba nomthelela omkhulu endleleni yokuphila. Funda ngezinketho ezahlukene zezinto ze-lens futhi wenze okukhethwa kukho okuhle kwamakilasi akho amabili alandelayo.
I-Hi-Index Lens
I-hi-lens lens yenziwe ngezinto ezikhethekile zeplastiki ezikhanyisa ukukhanya ngendlela ehlukile kunama-plastiki avamile.
Ngama-lens we-hi-lens, umbono ungalungiswa ngezinto ezincane, okwenza i- lens ibe mncane kakhulu. Amaplastiki azinombolo, njenge-1.50 noma 1.67. Ukuphakama kwenombolo, i-lens encane. Ngenxa yokuthi bancane kakhulu, i-l-index lens nayo ilula, okwenza kube lula ukugqoka. Lokhu kubalulekile ezigulini ezinemigomo ephezulu, njengoba izibuko zazo zingenziwa zikhangise futhi zikhangise ngokuzenzekelayo. I-Hi-index lens materials zivame ukubiza ngaphezu kwama-plastiki ajwayelekile.
Ama-Lens Polycarbonate
Amalensi e-Polycarbonate akhiwe ngohlobo lwepulasitiki elinamandla kakhulu kunamaphilisi ajwayelekile epulasitiki. I-polycarbonate lens nayo ilula kakhulu futhi ilula kakhulu ngesisindo. Zibhekwa njengepulasitiki ephezulu ye-index. I-polycarbonate lens nayo yakhiwe ngokuvikelwa kwe-ultraviolet. Ngenxa yalezi zakhiwo, yizinto zokuzikhethela kwe-lens zamalensi wezingane, i-lens yezemidlalo nama-lens okuphepha.
Kodwa-ke, abanye abantu bakhononda ukuthi amalensi e-polycarbonate ahluleka ukuwanika umbono ophuthumayo, ocacile.
Ama-Trivex Lens
I-Trivex yinto ebonakalayo entsha efana nama-polycarbonate lens kodwa nge-optics yekhwalithi ephakeme, futhi ngaleyo ndlela inikeza umbono ocacile. I-Trivex isisindo sincane ngaphezu kwepulasitiki ejwayelekile kodwa hhayi nje encane njenge-polycarbonate.
I-Trivex yinto eqinile kakhulu, okwenza kube ukukhethwa okungcono kwezingqimba ezingenalutho noma zokushayela. I-Trivex inomthelela ongenamthelela njenge-polycarbonate futhi ingahle ibekwe emalensi wezingane, amalensi ezemidlalo nama-lens okuphepha.
Ama-Aspheric Lens
I-aspheric lens design inikeza izinzuzo eziningana kuma-lens eyeglass. I-lens aspheric ine-curvature ephikisanayo yechungechunge kune-lens ejwayelekile. Lokhu kunciphisa inani lemalensi engase ikhuphuke ngaphandle kwesikhwama se-eyeglass, ukunciphisa ukukhuliswa kwamehlo, okuthuthukisa ukubonakala kwezimonyo. Ama-curve e-peripheral curves nawo anciphisa ukuphazamiseka okwenzekayo lapho bebuka kude nendawo phakathi kwe-lens, okwenza umbono ube mkhulu kakhulu. Ama-lens ase-Aspheric nawo alula kakhulu kunama-lens ajwayelekile.
Izambatho eziphikisana no-Anti-Reflective
Ukugqoka okucatshangelwayo kusetshenziselwa ama- lens we- eye ukuze kuncishiswe inani lokubukwa kwangaphakathi nangaphandle kwilensi. Lokhu kwandisa inani lokukhanya elidluliselwa nge-lens, elithuthukisa ikhwalithi yombono. Ukugqoka okubukisayo kunciphisa ukukhanya okungafuneki nama-halos ngesikhathi sasebusuku. Futhi kwenza ama-lens avele sengathi ayibonakali futhi alula kakhulu. Nakuba wonke umuntu angazuza embukisweni wokulwa nokucabangela, kubaluleke kakhulu kubantu abanemigomo ephezulu, abantu abaye bahlehliswa embonweni ebusuku, kanye nemisebenzi lapho ukubukeka kwezimonyo kubalulekile.
Izambatho ezihlukumezayo
Ukugqoka okungagwetshiwe kusetshenziswe ngaphambili nangemuva kwama-lens kwinqubo yokukhiqiza. Yize kubalulekile ukuqaphela ukuthi akukho lensi ewubufakazi bokuthi, lokhu ukugqoka okhethekile kwenza ama-lens abe nzima kakhulu uma ephonsa noma ehlihliwe ngokumelene nobunzima. Ngenkathi ama-lens amaningi enziwe ngezingubo ezingagwemeki, ngezinye izikhathi i-term resistant-resistant coating ibonisa uhlobo "lwe-warranty yokuqala." Lezi ziqinisekiso ziqinisekisa ngokumelene nezikhwama, ukuqinisekisa ukuthi ama-lensi azobe esebuyiselwa uma kwenzeka kuqala. Qinisekisa ukucacisa noma iyiphi iwaranti yalolu hlobo.
I-Ultraviolet Treatments
Ukwelashwa kwe-ultraviolet kusetshenziswe kuma-lens ukuze uvikele emiphakathini eyingozi ye-UV emisebe engakwazi ukusheshisa ukuthuthukiswa kwezidumbu kanye nokwehla kwe-macular .
Kubaluleke kakhulu ukuvikela amehlo emiphumeleni yelanga. Ukwelashwa kwe-UV kulula ukusebenzisa ama-lens futhi kuvame ukuhlanganiswa nokuthenga kwama-glass.
Amalensi aphefumulayo
Ama-lens aphefumulayo asetshenziselwa ukwenza izibuko zelanga. Zitholakala kakhulu kunamabala aluhlaza noma amabala aluhlaza kodwa eminye imibala eminingi iyatholakala. Ama-lens aphethwe ngokugqamile ahlehlise ukukhanya okukhanyayo nokucabangela ngokuvimbela ukukhanya okubonakalayo okukhanyisiwe okuveziwe. Amalensi aphefumlelwe asetshenziselwa abadobi iminyaka ukubhekana kangcono nokukhanya okukhanyayo kubonakala ngamanzi futhi kubone ngokujulile emanzini.
Amalensi we-Photochromatic
Amalensi e-photochromatic anomshini okhethekile wamakhemikhali okwenza ukuba bashintshe ekukhanyeni okumnyama ekukhanyeni kwelanga futhi bavule ngaphakathi endlini. Amalensi we-photochromatic amnandi kubantu abangafisi ukuthwala izibuko zokugqoka ezihlukile. Kubalulekile ukuqaphela ukuthi la ma-lens awamnyama ngisho nalapho eqhuba imoto. I-windshield ivimbela ukukhanya okukhulu kwe-UV ekufinyeleleni lens.
Izwi elivela
Uma ungakafiki kudokotela wezilanga ngesikhathi esithile, ungase umangale ngenani lezinketho manje ezitholakalayo ukwenza ama-lens akho e-eyeglass asebenze kangcono kuwe. Izidingo zakho zomuntu siqu zizosiza ukunquma ukuthi yiziphi izinto zokwakheka kwe-lens nezembatho ezizozuzisa indlela yakho yokuphila kakhulu.