Abantu benshi bambaye amadarubindi imyaka
Hashobora kubaho gushidikanya nka:
Kwambara ibirahure igihe kirekire, mubyukuri ntibisobanutse mubyiciro bya lens
Myopia na hyperopiya?Ni ubuhe butumwa bumwe kandi bwibanze?
Ibicucu ntibishobora gutandukanya
Guhitamo lens birarenze urujijo:
Ni ubuhe bwoko bwa lens bubereye?
Hariho ubwoko bwose bwimikorere?Ni ibihe bintu nkeneye?
Hano hari ubwoko bwose bw'inzira;
Niba lens igabanijwe kuva yibanze, irashobora kugabanywamo lens imwe imwe (monophoto), lens ebyiri zibiri, lens nyinshi.
Intambwe igenda itera imbere, izwi kandi nka lens igenda itera imbere, ifite ingingo nyinshi yibanze kuri lens.
Uyu munsi tugiye kuvuga kubyerekeranye na lensifike igenda itera imbere
Ni ubuhe buryo butandukanye butera imbere?
Ibirahuri bigenda bitera imbere, bifite ingingo nyinshi zerekeza kumurongo umwe icyarimwe, buhoro buhoro uva mukarere ka kure hejuru yinzira ugana ahantu hegereye hepfo.
Kugira impamyabumenyi nyinshi kumurongo umwe ugabanijwemo uturere dutatu: kure, hagati na hafi:
1, hejuru yo hejuru kureba kure
Byakoreshejwe intera ndende, nko gukina, kugenda, nibindi
2, hagati mu karere ko hagati
Kubireba intera ndende, nko kureba mudasobwa, kureba TV, nibindi
3. Reba hepfo hafi yakarere
Byakoreshejwe kurebera hafi, nko gusoma ibitabo, ibinyamakuru, nibindi
Kubwibyo, kwambara ibirahuri gusa, birashobora guhaza ibyifuzo kure, reba, reba hafi yerekwa.
Ibintu bisanzwe byumubiri:
Presbyopia, igaragara gahoro gahoro hamwe no kwiyongera kwimyaka, igaragara cyane nkaho itagaragara kandi idashobora kubona ibintu hafi.Iyi miterere izagabanya imikorere yakazi kandi igire ingaruka kumibereho.
Lens igenda itera imbere ni igisubizo cyiza kuri iki kibazo
Hamwe nimikorere myiza
Byinshi byarakunzwe kandi bishakishwa kuva kurutonde
Igihe cyo kohereza: Nzeri-10-2022