Ukurikije ibigereranyo byumuryango wubuzima bwisi (ninde), umubare wabantu barwaye Myopiya nikininiMubantu bafite amaso yubuzima, kandiifiteKugeraedMiliyari 2.6 muri 2020. Myopiya yabaye ikibazo kinini ku isi, cyane cyanemuri Aziya. Igipimo cyaryoa mu Bushinwa ni 47.1%, hafi kimwe cya kabiri cyabaturage bose.Bivuze kimweMuri buri bantu babiri bareba hafi.
Igipimo cyayopia mu bihugu bitandukanye
Muri iki gihe,hamweUbwiyongere bukomeye mu gipimo cyayopia, igipimo cyakwambaraIbirahuri nabyo biriyongera umwaka numwaka.Nkumwe murimyopicabarwayiHaveyitaye ku kintusibyo deTerminelens nziza iyo urebyeijishokwambara igishushanyo n'intego?
Reka twigire ikintuitumizat thelens ibikoresho no kumvikana.
Lens nziza isaba uburinganire,Gufatano gusobanuka. TAfite lens nyinshi muri iki gihe nigisubizo cyimyaka yubushakashatsi.
| Iterambere ryibikoresho bya Lens Ibyinshi mu bihugu bya mbere byakozwe n'intoki n'ibikoresho bisanzwe nka Quartsz na Crystal. Hamwe n'iterambere ry'umusaruro n'ikoranabuhanga, ibikoresho kamere byasimbuwe vuba n'ikirahure cya optique cyatangiye gutanga imirimo myinshi. Kuva mu myaka ya za 1960 kugeza mu myaka ya za 1980, ibikoresho bibisi, bikozwe muri peteroli, byasimbuje ikirahuri cyiza, bitunganyirizwa neza, kandi bikaba ibintu byinshi bitunganya ibintu bifatika kugeza ubu. |
Nkibintu byamamaye cyane ku isoko, ibikoresho bya resin bihagarariwe cyane na cr-39 resin yatunganijwe na ppg, Bwana Estin yatunganije na Mitsui,naResin yateye imbere na koc, Koreya, nibindi
Ibikoresho bya Lens bigena indangagaciro irongera kuri lens. Lens ongeranga indangagaciro nigipimo cyumuvuduko wo kwerekana urumuri muri vacuum kugeza kumuvuduko woroshye mubikoresho bya lens, byerekana kongerera agaciro. Muri rusange, hejuru yerekana indangagaciro ya lens, yoroheje lens.
Kugeza ubu,Universe Optiqueifite indangagaciro ya 1.50, 1.53, 1.56, 1.60, 1.67, 1.74 nibindiindangagaciro yaLens. Kubijyanye nibikoresho, twakomeje ubufatanye bwa hafi na PPG ya Amerika na Mitsui imiti yubuyapanikimwe naIbindi bikoresho bifatika hamwe nibikorwa byingenzi.
CR-39 Ibikoresho bya fatizo byaguzwe na PPG, muri Amerika, bikoreshwa mugukoresha indangagaciro 1.50.Birakunzwe cyane ku isoko bKugeza ubu bwaho bwa abbe coeefnt, imikorere myiza ya optique, imikorere yumutekanonaBirenze urugero.
Indirimbo 1.53 ikwirakwizwa ikomoka mubintu bidasanzwe, trivex, nanone muri pPG muri Amerika. Ibikoresho bya Trivex bigira ingaruka zikomeye - irwanya. Kuberako baroroshye kuruta lens isanzwe, trivex lens niNibyiza cyaneGuhitamo Amaso y'amaso, Ijisho Ritabiri, Imikino Goggles, Umutekano w'amaso, n'ijisho ry'imikino.
Hamwe naIterambere O.F ibirahure, "lens", nkibikoresho byingenzi byikirahure, bihora biduhangana no kuzamura hamwe no guhindura ibihe.IsanzureOptique 1.60, 1.67, 1.74hejuruindangagacirolens ibikoresho fatizo bikozwe muri mr urukurikirane rwa mitsui imiti. Mr urukurikiraneNibikoresho byiza kandi byateye imbere, hamwe no kuvuza indangagaciro ndende, nimero ya ABBE, uburemere bwihariye, kurwanya ingaruka zikomeye nizindi nyungu.
Gukomeza Kunoza Ibikoresho bya LensR & dn'ikoranabuhangakuzamuralens ibicuruzwasInnovation. Ibikoresho bya lensMenyagushikamay'ubwiza, gucuruza, gusobanuka ningaruka zigaragara.
Isanzureoptique yabaye akurikiza politiki yo gutsindira ubufatanye no kugeraho. TweUmva ijwi ryabakiriya,shaka kumenyaumukiriyas'Ibikenewe, witondere isokoimpengamiro, nkaKurema icyerekezo gisobanutse neza.