1.59 PC Ubururu bwa Bifocal Lens
Kuki Lensike ya Polyakarubone?
Ibyoroshye kandi byoroshye kuruta plastike, polyakarubone (irwanya ingaruka) lens irashobora kumeneka kandi itanga uburinzi bwa UV 100%, bigatuma bahitamo neza kubana nabakuze bakora.Nibyiza kandi kubyandikirwa bikomeye kuva batongeyeho umubyimba mugihe bakosora icyerekezo, bagabanya kugoreka.
Lens ya Bifocal ikora ite?
Indorerwamo ya Bifocal eyeglass irimo lens ebyiri zifite imbaraga zo kugufasha kubona ibintu intera zose nyuma yo gutakaza ubushobozi bwo guhindura bisanzwe amaso yawe kubera imyaka, bizwi kandi nka presbyopia.
Bitewe niyi mikorere yihariye, lensike ya bifocal ikunze kwandikirwa abantu barengeje imyaka 40 kugirango bafashe kwishyura ibyangiritse bisanzwe byerekanwa bitewe nubusaza.
7.5 Amasaha / Umunsi
7.5 Amasaha nigihe cyo kwerekana buri munsi mugihe dukoresha kuri ecran yacu.Ni ngombwa ko turinda amaso yacu.Ntabwo wasohokana kumunsi wizuba utagira amadarubindi, none kuki utarinda amaso yawe kumucyo ecran yawe isohora?
Amashanyarazi yubururu
Itara ry'ubururu risanzwe rizwiho gutera "Digital Eye Strain" ikubiyemo: amaso yumye, kubabara umutwe, kutabona neza, no kugira ingaruka mbi kubitotsi byawe.Nubwo waba utabibonye, amaso yawe aracyafite ingaruka mbi kumucyo wubururu.
Itara ry'ubururu rihagarika Bifocal Lens
Umucyo wubururu uhagarika bifocal lens ifite imbaraga ebyiri zitandukanye zo kwandikirana mumurongo umwe, ugaha abayambara inyungu zibiri byibirahuri murimwe.Bifocals itanga ibyoroshye kuko utagikeneye gutwara ibirahuri bibiri.
Mubisanzwe igihe cyo guhindura kirakenewe kubantu benshi bashya bambara bifocal bitewe nuburyo bubiri bwanditse mumurongo umwe.Igihe kirenze, amaso yawe aziga kwimuka bitagoranye hagati yuburyo bubiri mugihe wimutse uva kumurimo ujya mukindi.Inzira nziza yo kubigeraho byihuse nukwambara ibirahuri bishya byo gusoma bifocal inshuro nyinshi zishoboka, bityo amaso yawe akamenyera.
