1.56 Bifocal Flat hejuru / Hejuru Hejuru / Hanze ya HMC optique
Ibisobanuro birambuye
Aho byaturutse: | Jiangsu | Izina ry'ikirango: | BORIS |
Umubare w'icyitegererezo: | BifocalLens | Ibikoresho bya Lens: | NK-55 |
Ingaruka y'Icyerekezo: | Bifocal | Firime: | UC / HC /HMC |
Ibara rya Lens: | Cyera | Ibara risize: | Icyatsi / Ubururu |
Ironderero: | 1.56 | Uburemere bwihariye: | 1.28 |
Icyemezo: | CE / ISO9001 | Abbe Agaciro: | 38 |
Diameter: | 70mm | Igishushanyo: | Flat / Round / Bivanze |
Hariho impamyabumenyi ebyiri gusa kuri lens ya bifocales, bigabanijwemo urumuri rwo hejuru n'umucyo wo hasi. Umucyo wo hejuru hamwe numucyo wo hasi birashobora kuba myopiya, hyperopiya, astigmatisme, nibindi, ariko urumuri rwo hejuru rwimbitse kuruta urumuri rwo hejuru kuri myopiya kandi ntirubona kure.
Iterambere ryateye imbere hashingiwe kumucyo wikubye kabiri. Ntabwo ifite gusa ibiranga urumuri kabiri, harimo urumuri rwo hejuru nu mucyo wo hasi, ariko kandi rufite inzira gahoro gahoro hagati. Impamyabumenyi iri hagati yumucyo wo hejuru nu mucyo wo hasi ni inzira gahoro gahoro.
Ku buso, biragaragara kubona itandukaniro riri hagati yumucyo wikubye kabiri. Umurongo ugabanya cyangwa ihuriro riri hagati yumucyo wo hejuru nu mucyo wo hasi urashobora kuboneka, ariko ubuso bwintambwe igenda itera imbere ntibushobora kubona itandukaniro.
Hamwe na zone yinzibacyuho, ntakibazo cyo gusimbuka inzovu. Nukuvuga, buhoro buhoro kuva kure kugera hafi, kuva hafi kugera kure, niba ntahantu hinzibacyuho, kuva hafi kugera kure, kuva kure kugera hafi, ntamafuti arenga.
Intangiriro
Bifocal bivuga imbaraga ebyiri zitandukanye za dioptric kumurongo umwe, imbaraga ebyiri za dioptricni dyatanzwe mubice bitandukanye byinzira, agace gakoreshwa kurebera kure bita intera intera, iherereye mugice cyo hejuru cyinzira; agace gakunze kubona hafi kitwa zone yegereye, iherereye mugice cyo hepfo yinzira.
Ibyiza bya bifocals: Urashobora kubona ibintu kure unyuze ahantu harehare harehare harehare, kandi urashobora kubona ibintu mumwanya uri hafi unyuze hafi yicyerekezo cyerekezo kimwe. Ntugomba gutwara ibirahuri bibiri byikirahure, kandi ntukeneye guhinduranya intera hamwe nikirahure hafi.
Ibibi bya bifocals: Umwanya wo kureba ni muto ugereranije n'uw'icyerekezo kimwe, cyane cyane hafi yo kureba. Kurugero, gusoma ibitabo nibinyamakuru bigomba gufatanya nu mutwe. Hano hari inenge nziza zo gusimbuka no kwimura amashusho, kandi hariho umurongo ugabanya, byoroshye kugaragara wambaye. Garagaza imyaka hamwe na bifocals.