1.59 PC Blue Block Progressive Lens
Kodi Lens ya Polycarbonate Imatanthauza Chiyani?
Lens ya polycarbonate ndi mandala opangidwa ndi polima ya thermoplastic ya gulu la carbonate. Imakhala yolimba kuwirikiza ka 10 kuposa magalasi apulasitiki kapena magalasi. Magalasi a polycarbonate amakondedwa kuposa magalasi agalasi ndi ogwiritsa ntchito zovala zamaso, osewera ndi ena oteteza maso chifukwa cha kupepuka kwake, kowala kwambiri (UV) komanso kukana kwake.
Polycarbonate inapezeka mu 1953 ndipo inayamba kugulitsidwa pamsika mu 1958. Inagwiritsidwa ntchito ndi akatswiri a zakuthambo m'zaka za m'ma 1970 ngati ma visor a chisoti. M'zaka za m'ma 1980 mafakitale adayamba kugwiritsa ntchito polycarbonate m'malo mwa pulasitiki wamba kapena zovala zamagalasi. Magalasi a polycarbonate ndi chisankho chanzeru kwa iwo omwe ali ndi chidwi pamasewera, malo owopsa a ntchito, zovala zamaso zamafashoni makamaka kwa ana.
Magalasi apulasitiki wamba amagwiritsa ntchito njira yakuumba, pomwe ma pellets a polycarbonate amatenthedwa mpaka kusungunuka ndikubayidwa mu nkhungu zamagalasi. Zimapangitsa magalasi a polycarbonate kukhala olimba komanso osagwira ntchito. Komabe, magalasi awa salimbana ndi zikande, motero amafunikira zokutira zapadera.
Kodi Magalasi Opitirira Ndi Chiyani?
Magalasi opita patsogolo ndi ma lens enieni a "multifocal" omwe amapereka kuchuluka kwamphamvu kwa magalasi mu magalasi amodzi. Optimum-vision imayendetsa kutalika kwa lens kuti mtunda uliwonse ukhale womveka bwino:
Pamwamba pa mandala: abwino pakuwona mtunda, kuyendetsa galimoto, kuyenda.
Pakati pa mandala: abwino kwa masomphenya apakompyuta, mtunda wapakatikati.
Pansi pa disolo: yabwino kuwerenga kapena kumaliza zina zapafupi.
Ndani Akufunika Magalasi Opita Patsogolo?
Pamene tikukalamba, zimakhala zovuta kuyang'ana zinthu zomwe zili pafupi ndi maso athu. Ichi ndi matenda ofala kwambiri otchedwa presbyopia. Anthu ambiri amazindikira koyamba akamavutika kuwerenga zolemba zabwino, kapena akamamva kupweteka mutu pambuyo powerenga, chifukwa cha vuto la maso.
Progressives cholinga kwa anthu amene amafunikira kudzudzulidwa kwa presbyopia, koma safuna mzere wolimba pakati magalasi awo.
Ubwino wa Magalasi Opita patsogolo
Ndi magalasi opita patsogolo, simudzafunika kukhala ndi magalasi oposa limodzi. Simufunikanso kusinthana pakati pa kuwerenga kwanu ndi magalasi okhazikika.
Masomphenya ndi opita patsogolo amatha kuwoneka mwachilengedwe. Ngati mutasiya kuyang'ana chinachake pafupi ndi chinachake chakutali, simungadumphe monga momwe mungachitire ndi bifocals kapena trifocals.
Zoyipa za Progressive Lens
Zimatenga masabata 1-2 kuti zigwirizane ndi zomwe zikuchitika. Muyenera kudziphunzitsa kuyang'ana m'munsi mwa disolo pamene mukuwerenga, kuyang'ana kutsogolo kutsogolo kwa mtunda, ndi kuyang'ana penapake pakati pa madontho awiri apakati kapena ntchito ya kompyuta.
Munthawi yophunzira, mutha kumva chizungulire komanso nseru chifukwa choyang'ana mbali yolakwika ya mandala. Pakhoza kukhalanso kupotozedwa kwa masomphenya anu otumphukira.
Mufunika Magalasi Opambana a buluu
Monga magetsi a buluu masiku ano ali paliponse, Anti-blue Progressive Lens ndi abwino kwa zochitika zapakhomo, monga kuonera TV, kusewera pa kompyuta, kuwerenga mabuku ndi kuwerenga manyuzipepala, komanso oyenera kuyenda panja, kuyendetsa galimoto, kuyenda ndi kuvala tsiku ndi tsiku chaka chonse.
