1.59 PC Blue Block Progressive Lens
Isho ukuthini I-Polycarbonate Lens?
I-polycarbonate lens ilensi eyenziwe nge-thermoplastic polymer yeqembu le-carbonate. Ingazweli ngokuphindwe ka-10 kunepulasitiki evamile noma amalensi engilazi. Amalensi e-polycarbonate akhethwa ngaphezu kwamalensi engilazi ngabasebenzisi bezingubo zamehlo, abadlali bezemidlalo nabanye abasebenzisi bamehlo ngenxa yesisindo sawo esingasindi, i-ultra violet (UV) kanye nezakhiwo zokumelana nomthelela.
I-Polycarbonate yatholwa ngo-1953 futhi yethulwa okokuqala emakethe ngo-1958. Yasetshenziswa osomkhathi ngo-1970s njengama-visor ama-helmet. Ngawo-1980 izimboni zaqala ukusebenzisa i-polycarbonate njengenye indlela yepulasitiki evamile noma eyewear yengilazi. Amalensi e-polycarbonate ayinketho ehlakaniphile yalabo abakhuthele kwezemidlalo, izindawo zemisebenzi eziyingozi, izingubo zamehlo zemfashini futhi ikakhulukazi ezinganeni.
Amalensi epulasitiki avamile asebenzisa inqubo yokubumba ukhonkolo, kuyilapho amapellets e-polycarbonate eshiselwa aze ancibilike futhi ajovelwe ezibunjeni zamalensi. Yenza amalensi e-polycarbonate aqine futhi amelane kakhudlwana. Kodwa-ke, lawa ma-lens awakwazi ukumelana nokuqala, ngakho-ke, adinga ukunamathela okukhethekile.
Ayini Amalensi Aqhubekayo?
Amalensi aqhubekayo angamalensi eqiniso “e-multifocal” ahlinzeka ngenani elingapheli lamandla amalensi kupheya eyodwa yezibuko. I-Optimum-vision isebenzisa ubude belensi ukuvumela ibanga ngalinye ukuthi licace:
Phezulu kwelensi: ilungele ukubona ibanga, ukushayela, ukuhamba.
Maphakathi nelensi: ilungele ukubona ikhompyutha, amabanga amaphakathi.
Phansi kwelensi: ilungele ukufunda noma ukuqedela eminye imisebenzi eseduze.
Ubani Odinga Amalensi Aqhubekayo?
Njengoba sikhula, kuba nzima nakakhulu ukubuka izinto eziseduze kwamehlo ethu. Lesi yisimo esivame kakhulu esibizwa ngokuthi i-presbyopia. Abantu abaningi baqale baqaphele lapho benenkinga yokufunda imibhalo ebhalwe kahle, noma lapho bephathwa ikhanda ngemva kokufunda, ngenxa yokucindezeleka kwamehlo.
Ama-Progressives ahloselwe abantu abadinga ukulungiswa kwe-presbyopia, kodwa abafuni umugqa oqinile phakathi kwamalensi abo.
Izinzuzo zamalensi aqhubekayo
Ngamalensi aqhubekayo, ngeke udinge ukuba nezibuko ezingaphezu kweyodwa nawe. Awudingi ukushintsha phakathi kokufunda kwakho kanye nezibuko ezijwayelekile.
Umbono onokuthuthuka ungabonakala ungokwemvelo. Uma ushintsha ekubukeni okuthile eduze kokuthile okukude, ngeke uthole "ukweqa" njengoba ubungenza ngama-bifocals noma ama-trifocals.
Okungalungi kwamalensi aqhubekayo
Kuthatha amaviki angu-1-2 ukulungisa intuthuko. Udinga ukuziqeqesha ukuze ubuke engxenyeni engezansi yelensi lapho ufunda, ubheke phambili uqonde ibanga, futhi ubheke ndawana thize phakathi kwezindawo ezimbili zebanga eliphakathi nendawo noma umsebenzi wekhompyutha.
Ngesikhathi sokufunda, ungase uzizwe unesiyezi kanye nesicanucanu ngenxa yokubheka ingxenye engafanele yelensi. Kungase futhi kube nokuhlanekezelwa okuthile kokubona kwakho okuseceleni.
Udinga Ipheya Lama-Anti-blue Progressive Lens
Njengoba izibani eziluhlaza okwesibhakabhaka zikhona yonke indawo namuhla, ama-anti-blue Progressive Lens alungele imisebenzi yasendlini, njengokubuka i-TV, ukudlala kukhompuyutha, ukufunda izincwadi nokufunda amaphephandaba, futhi afanele ukuhamba ngezinyawo ngaphandle, ukushayela, ukuhamba nokugqoka kwansuku zonke unyaka wonke.
