Single Vision Lens VS.Bifocal VS.Progressive
single vision lenses inopa imwechete optical correction.Izvi zvinoreva kuti ivo vanogovanisa tarisiro zvakaenzana pamusoro pelenzi yese, pachinzvimbo chekutsemura kutarisa pakati pepamusoro nepakati hafu, sezvazvakaita kune bifocals.Magirazi ekuona ega ndiwo anonyanya kutaurwa nemhando yemishonga, uye anogona kugadzirisa kana kuona pedyo (myopia) kana kuona kure (hyperopia).Kana chiremba wako asina kutsanangura imwe nyanzvi yekurapa, mikana ndeyokuti iwe uchada magirazi ekuona imwe chete.Pane zvikonzero zvakawanda zvaungade kunyorerwa chiratidzo chimwe chete.Vamwe vatengi vanoshandisa magirazi ekuona kamwe chete mumagirazi avo ekuverenga, vachibvumira mufananidzo wakajeka uye wakajeka kumusoro-pedyo.Vamwe vanobatsirwa nekujekesa zvakanyanya kure, semuenzaniso, pakushandisa magirazi echiratidzo chimwe chete paunenge uchityaira.
Bifocals anobatsira avo vanoda kururamiswa kwekuona kune myopia (kutadza kuona) uye presbyopia (kureba-kuona).Malenzi anobvumira kuona kwakajeka pane chero chinhambwe mukati mepeya imwe chete yezvionikisi.
Iwo anogona kufungidzirwa seakajairwa ekuraira lenzi ane yekuwedzera chikamu chekuverenga.Chikamu chekuverenga chinowanzoiswa chakananga kuzasi kwelens
D Seg Bifocals
Nzvimbo yekuverenga yeD Seg Bifocal inotaridzika setsamba D yakamira padivi payo.Vanogona kutumidzwa seFlat Top Bifocal.Iyo D Seg ndiyo iri nyore Bifocal dhizaini kune anopfeka kuti ajairane nayo.Nekuda kweizvi, ndiyo inonyanya kufarirwa mhando pamusika nhasi.
Chikamu chekuverenga chinowanikwa mumhando dzakasiyana-siyana.Malenzi anonyanya kushandiswa ndiD 28 uye D 35. Chikamu cheD 28 chine 28mm yakafara uye D 35 ine 35mm yakafara.
D Seg Bifocals
Nzvimbo yekuverenga yeD Seg Bifocal inotaridzika setsamba D yakamira padivi payo.Vanogona kutumidzwa seFlat Top Bifocal.Iyo D Seg ndiyo iri nyore Bifocal dhizaini kune anopfeka kuti ajairane nayo.Nekuda kweizvi, ndiyo inonyanya kufarirwa mhando pamusika nhasi.
Chikamu chekuverenga chinowanikwa mumhando dzakasiyana-siyana.Malenzi anonyanya kushandiswa ndiD 28 uye D 35. Chikamu cheD 28 chine 28mm yakafara uye D 35 ine 35mm yakafara.
Yakasanganiswa bifocals
Kunyangwe mabifocal mazhinji aine mitsara inooneka pamuganhu wezvikamu zvelenzi, kune yakasanganiswa yakatenderedza-seg bifocal ine isinganyanyi kuoneka padyo chikamu pane yakajairwa kutenderera-seg cousin.
Iyo yepedyo seg inosanganiswa muchikamu chinhambwe chelens kuitira kuti chisaonekwe.
Pasina mitsara inooneka, yakasanganiswa denderedzwa seg bifocal inopa chitarisiko chepwere kupfuura lined bifocals.
Malenzi ekufambira mberi ane zvirevo zvitatu mupeya imwe yemagirazi.Izvi zvinokutendera kuti uite basa repedyo (sekuverenga bhuku), basa repakati-kure (sekutarisa webhusaiti pakombuta), kana kutarisa kure (sekutyaira) usingade kuchinja magirazi ako.Dzimwe nguva dzinonzi multifocal lenses.
Malenzi anofambira mberi ndeyekuvandudza pane bifocal uye trifocal lenzi.Ose maviri aya mamwe marudzi echinyakare emagirazi ane mitsetse yekutaura mumalenzi.Progressives ine seamless kutaridzika.Dzimwe nguva vanonzi "no-line bifocals," asi izvo hazvina kunaka.Zvingave zvakanyatsojeka kudaidza ma lenzi anofambira mberi "no-line trifocals."
Nemalenzi anofambira mberi, hauzodi kuva neanopfuura peya imwe yemagirazi newe.Haufanire kuchinjana pakati pekuverenga kwako nemagirazi enguva dzose.
Chiono chine vanofambira mberi chinogona kuita sechisikigo.Kana iwe ukachinja kubva pakuona chimwe chinhu padhuze nechinhu chiri kure, hauwane "kusvetuka" sezvaungaita nebifocals kana trifocals.Saka kana uri kutyaira, unogona kutarisa dashboard yako, mumugwagwa, kana kuti chikwangwani chiri chinhambwe chine kuchinja kwakatsetseka.
Nguva yekutumira: Kubvumbi-08-2022