Ifoto ya Bifocal Lens
Presbyopia
Iyo abantu basaza 40 cyangwa irenga, amaso yacu aba adahinduka.Biratugora guhindura ibintu bya kure nibintu bifunga, nko hagati yo gutwara no gusoma imirimo.Kandi iki kibazo cyamaso cyitwa presbyopia.
Ifoto ya Bifocal Lens
Intumbero imwe yo kureba ikoreshwa mugukarisha intumbero yawe haba hafi cyangwa amashusho ya kure.Ariko, ntibishobora gukoreshwa kugirango ukarishe icyerekezo cyawe byombi.Lens ya Bifocal yongerera icyerekezo cyawe amashusho hafi cyangwa kure.
Lens ya Bifocal igizwe nuburyo bubiri.Igice gito mugice cyo hepfo yinzira kirimo imbaraga zo gukosora icyerekezo cyawe hafi.Ahasigaye lens mubisanzwe ni iyerekwa ryawe.
Lens ya fotochromic bifocal igenda yijimye nkizuba ryizuba iyo ugiye hanze.Zirinda amaso yawe urumuri rwinshi nimirasire ya UV, bikwemerera gusoma no kureba neza icyarimwe.Lens izongera kugaragara mumazu muminota mike gusa.Urashobora kwishimira byoroshye ibikorwa byo murugo utabikuyemo.
Kuboneka Ubwoko bwa Photochromic Bifocal Lens
Nkuko mubizi bifocals ifite ibyanditswe bibiri mugice kimwe cya lens, igice cyandikirwa hafi cyitwa "Segment".Hariho ubwoko butatu bwibice bishingiye kumiterere yicyiciro.
Fotochromic flat-top bifocal lens nayo yitwa fotochromic D-seg cyangwa igororotse-hejuru.ifite "umurongo" igaragara kandi ninyungu nini ni ugutanga imbaraga ebyiri zitandukanye.Umurongo uragaragara kuko guhindura imbaraga birahita.Hamwe ninyungu, iguha umwanya munini wo gusoma utiriwe ureba kure cyane.
Umurongo uri hejuru ya fotokromike ntabwo ugaragara nkuwo hejuru ya fotokromike.Iyo yambaye, usanga itagaragara cyane.Ikora kimwe na fotokromike iringaniye, ariko umurwayi agomba kureba kure mumurongo kugirango abone ubugari bumwe bitewe nuburyo bwa lens.
Photochromic ivanze nigishushanyo cyo hejuru hejuru aho imirongo yakozwe itagaragara cyane muguhuza uturere dutandukanye hagati yimbaraga zombi.Ibyiza ni kwisiga ariko bitera kugoreka ibintu.
