1.59 PC Blue Block Photochromic Progressive
Ke hobane'ng ha lilense tsa Polycarbonate?
Polycarbonate e qapiloe ka bo-1970 bakeng sa ts'ebeliso ea sepakapaka 'me hajoale e sebelisoa bakeng sa li-visors tsa helmete tsa bo-rasaense le bakeng sa lifensetere tsa moea tsa sepakapaka.
Lilense tsa khalase ea mahlo tse entsoeng ka polycarbonate li ile tsa hlahisoa mathoasong a lilemo tsa bo-1980 ho arabela tlhokahalo ea lilense tse bobebe, tse hanyetsanang le tšusumetso.
Ho tloha ka nako eo, lilense tsa polycarbonate li fetohile tekanyetso ea likhalase tsa tšireletso, likhalase tsa lipapali le liaparo tsa mahlo tsa bana.
Hobane ha li na monyetla oa ho robeha ho feta lilense tse tloaelehileng tsa polasetiki, lilense tsa polycarbonate le tsona ke khetho e ntle bakeng sa meralo ea mahlo e se nang rimless moo lilense li hokelletsoeng ho likarolo tsa foreimi ka li-drill mountings.
Lense ea Photochromic e arabelang Khanya
Lilense tsa Photochromicke lilense tse fifalang ha li pepesehetse leseli la ultraviolet (UV). Lilense tsena li na le tšobotsi e khethehileng e sireletsang mahlo a hao ho khanya ea UV ka ho fifala. Likhalase li ntse li fifala butle-butle ka mor'a metsotso e seng mekae ha u le letsatsing.
Nako ea ho fifala e fapana ho ea ka mofuta le lintlha tse ling tse ngata joalo ka mocheso, empa hangata li fifala kahare1-2metsotso, le ho thibela hoo e ka bang 80% ea khanya ea letsatsi. Lilense tsa photochromic le tsona li bobebe ho hlakisa hantle ha u le ka tlung nakong ea metsotso e 3 ho isa ho e 5. Li tla fifala ka mokhoa o fapaneng ha li pepesehetse leseli la UV - joalo ka letsatsi la maru.
Likhalase tsena li nepahetse ha u tsoa le ho tsoa UV (leseli la letsatsi) khafetsa.
Lense ea Blue Block Photochromic
Blue Block
Lilense tsa Blue block photochromic li etselitsoe merero e fapaneng, li na le bokhoni ba ho thibela leseli le leputsoa.
Le hoja leseli la UV le leseli le leputsoa e se ntho e le 'ngoe, leseli le leputsoa le ntse le ka ba kotsi mahlong a hau, haholo-holo ka ho pepesehela nako e telele ho li-skrini tsa digital le letsatsi le tobileng. Leseli tsohle tse sa bonahaleng le tse sa bonahaleng li ka ba le litla-morao tse mpe bophelong ba mahlo a hau. Lilense tse putsoa tsa photochromic li sireletsa khahlanong le matla a phahameng ka ho fetisisa a khanya, ho bolelang hore li sireletsa khahlanong le khanya e putsoa 'me li ntle bakeng sa tšebeliso ea k'homphieutha.
Tsoela pele
Lilense tse tsoelang pele ke lilense tse tsoetseng pele tsa theknoloji tse tsejoang hape e le no-bifocals. Hobane, li akaretsa mefuta e fapaneng ea pono e fapaneng ho tloha libakeng tse hole ho ea ho tse mahareng le tse haufi, tse nolofalletsang motho ho bona lintho tse hole le tse haufi le tsohle tse lipakeng. Li bitsa chelete e ngata ha li bapisoa le li-bifocals empa li tlosa mela e bonahalang ka lilense tsa bifocal, ho netefatsa pono e sa tsitsang.
Batho ba nang le Myopia kapa mahlo a haufi, ba ka rua molemo ho mofuta ona oa lilense. Hobane, maemong ana, o ka sheba lintho tse haufi ka ho hlaka empa tse hole li tla bonahala li le lerootho. Ka hona, lilense tse tsoelang pele li nepahetse bakeng sa ho lokisa libaka tse fapaneng tsa pono le ho fokotsa menyetla ea ho tšoaroa ke hlooho le mahlo a bakoang ke tšebeliso ea k'homphieutha le ho squinting.
