Ibicuruzwa
Icyitegererezo cyibanze gisanzwe
| Ingaruka ya Vision | Byarangiye | Semi-yarangije | |
| Bisanzwe | Icyerekezo kimwe | 1.49 Ironderero | 1.49 Ironderero |
| 1.56 indangagaciro | 1.56 indangagaciro yo hagati | ||
| 1.60 / 1.67 / 1.71 / 1.74 | 1.60 / 1.67 / 1.71 / 1.74 | ||
| Bifocal | Hejuru | Hejuru | |
| Hejuru | Hejuru | ||
| Ntibigaragara | Itagaragara | ||
| Gutera imbere | Koridor ngufi | Koridor ngufi | |
| Corudor isanzwe | Corudor isanzwe | ||
| Igishushanyo gishya 13 + 4mm | Igishushanyo gishya 13 + 4mm |
Lens yemewe ya Vision: Iyerekwa rimwe ni iki?
Iyo bigoye kwibanda hafi cyangwa ibintu bya kure, lens imwe yo kureba irashobora gufasha. Barashobora gufasha gukosora: amakosa arohereza kurinopia na Presbyopipiya.
Lens nyinshi:
Iyo abantu bafite ikibazo kirenze kimwe cyerekezo, lens hamwe namanota menshi yibanze arakenewe. Izi Lens zirimo bibiri cyangwa byinshi kubikorwa byo kwiyemeza. Ibisubizo birimo:
Lens yimyandikire: Iyi lens irashobora kugabanywamo ibice bibiri. Igice cyo hejuru gifasha kubona ibintu kure, kandi igice cyo hepfo gifasha kubona ibintu biri hafi. Ibihingi birashobora gufasha abantu barengeje imyaka 40 barwaye poreskyopia. Presbyopia iganisha ku kugabanuka k'ubushobozi bwo kwibandaho intera.
Lens igenda itera imbere: Ubu bwoko bwa lens bufite lens ihinduka cyane hagati yimpano zitandukanye, cyangwa umuzamu uhoraho. Lens buhoro buhoro yaje kwibanda mugihe ureba hasi. Ninkaho ibirahuri bipfumu bidafite imirongo igaragara muri lens. Abantu bamwe basangamo lens zitera imbere zitera kugoreka kurusha ubundi bwoko bwinzira. Ibi ni ukubera ko ahantu henshi h'ibisigi bikoreshwa kuri Inzibacyuho hagati ya lens yimbaraga zinyuranye, naho ahantu hibanda ni bito.
Iyi lens ifasha niba ufite ikibazo cyibanda kubintu biri hafi cyangwa kure. Lens imwe-imwe irashobora gukosora:
● Myopia.
● Hyperopia.
Preskopia.
Gusoma ibirahure ni ubwoko bwindege imwe. Akenshi, abantu bafite preskyopia babona ibintu kure ariko bakagira ikibazo cyo kubona amagambo mugihe basoma. Gusoma ibirahure birashobora gufasha. Urashobora kubigura kenshi kuri corumacy cyangwa ububiko bwibitabo, ariko uzabona lens yukuri niba ubona utanga ubuzima. Hejuru y'abasomyi basoma ntabwo bifasha niba amaso meza kandi yibumoso afite intego zitandukanye. Mbere yo kugerageza gukoresha abasomyi, reba umwuga wawe ubanza kugirango umenye neza ko ushobora kubikoresha neza.
Niba ufite ikibazo kirenze kimwe cyerekezo, urashobora gukenera ibirahuri hamwe ninzira mbi. Iyi lens irimo icyerekezo bibiri cyangwa byinshi-cyo gukosora. Uwatanze uzaganira nawe amahitamo yawe. Amahitamo arimo:
✔ bifcanal: Izi lens ni ubwoko busanzwe bwimibare myinshi. Lens ifite ibice bibiri. Igice cyo hejuru kiragufasha kubona ibintu kure, kandi igice cyo hepfo kigushoboza kubona ibintu byegeranye. Bifocals irashobora gufasha abantu bafite imyaka 40 bafite presbyopia, itera kugabanuka mubushobozi bwawe bwo kwibanda cyane.
✔ Ibihangano: Aya masezerano ni aifocals hamwe nigice cya gatatu. Igice cya gatatu gifasha abantu bafite ikibazo cyo kubona ibintu muburyo bugeraho.
. Lens yibanda cyane mugihe ureba hasi. Ninkaho bihifcals cyangwa ibihangano nta mirongo bigaragara muri lens. Abantu bamwe basangamo ko lens zitera imbere zitera kugoreka byinshi kuruta ubundi bwoko. Ibyo ni ukubera ko ahantu henshi h'ibitambo bikoreshwa mu kwivanga hagati yinzira zitandukanye. Uturere twibanze ni duto.
✔ Ibirahure bya mudasobwa: Iyi lexifocal lens ikosora yakorewe abantu bakeneye kwibanda kuri ecran ya mudasobwa. Baragufasha kwirinda guhanga amaso.
