ni iki intambwe igenda itera？
Lens igenda itera imbere ni ubwoko bw'indorerwamo z'amaso zitanga iterambere ryoroheje kandi ridafite imbaraga imbaraga nyinshi zo gukosora iyerekwa mumurongo umwe.Bazwi kandi nka no-umurongo bifocals cyangwa varifocal lens.
Bitandukanye na gakondo ya bifocal ifite umurongo ugaragara utandukanya intera na hafi yo gukosora iyerekwa, lens igenda itera imbere buhoro buhoro hagati yimbaraga zinyuranye.Aka karere k'inzibacyuho gatuma abambara bambara neza intera zose nta guhinduka gutunguranye muburyo bwo gukosora.
Lens igenda itera imbere irashobora gutegurwa kugirango ihuze ibyifuzo byumuntu.Igishushanyo cyita ku ntera iri hagati y'amaso, inguni y'ikadiri, n'ibisabwa kwandikwa.Lens ikozwe hifashishijwe ikoranabuhanga rya mudasobwa kugirango harebwe neza kandi neza muri zone zigenda zitera imbere.
Nubwo bimeze bityo ariko, birashobora gufata igihe kugirango uhindure lens igenda itera imbere bitewe nububasha butandukanye bwo gukosora, kandi abantu bamwe bashobora kugoreka cyangwa guhuzagurika kugeza igihe babimenyereye.Byongeye kandi, lens igenda itera imbere irashobora kubahenze kuruta gakondo ya bifocal cyangwa iyerekwa rimwe.
Ibyiza bya lens igenda itera imbere
Inyungu nyamukuru yinzira igenda itera imbere ni uko itanga igisubizo cyo gukosora icyerekezo kandi kidasanzwe kubantu bafite presbyopiya (imiterere aho ubushobozi bwijisho ryibanda kubintu biri hafi bigenda bigabanuka uko imyaka igenda ishira).
Hano hari izindi nyungu zo gutera imbere:
Icyerekezo gisobanutse neza intera zose: Iterambere ryiterambere ritanga inzibacyuho yoroshye kandi idahagarara hagati yintera, hagati, hamwe nicyerekezo.Ibi bivuze ko abambara batagomba guhinduranya hagati y ibirahuri byinshi by ibirahure, bishobora kutoroha kandi bidashoboka.
Nta murongo ugaragara: Bitandukanye na lisansi gakondo, lens igenda itera imbere ntabwo ifite umurongo ugaragara utandukanya imbaraga zitandukanye zo gukosora.Ibi bituma barushaho gushimisha ubwiza kandi bikuraho agasuzuguro rimwe na rimwe kajyana nibirahuri bibiri.
Guhindura: Lens igenda itera imbere irashobora guhindurwa kugirango ihuze ibyifuzo byumuntu wambaye.Igishushanyo kirashobora guhindurwa muburyo bwimiterere nubunini, kandi ibyanditswemo birashobora kuba byiza kubyo umuntu akeneye.
Kunoza icyerekezo cya periferique: Iterambere ryiterambere ritanga umurongo mugari wo kureba kuruta lisansi gakondo ya bifocal, ishobora gufasha mubikorwa nko gutwara no gukora siporo.
Muri rusange, lens igenda itera imbere ni amahitamo azwi kubantu bakeneye gukosorwa kwinshi kuko batanga icyerekezo gisobanutse, gisanzwe ahantu hose kandi bikuraho ibikenerwa byinshi byikirahure.
Ni ubuhe bwoko bw'abantu bafite lens igenda itera imbere
Lens igenda itera imbere irakwiriye kubantu bafite presbyopia, nikintu gisanzwe kijyanye nimyaka bigatuma bigora kwibanda kubintu hafi.Presbyopia isanzwe ikura mubantu barengeje imyaka 40 kandi iterwa no gukomera gahoro gahoro.
Iterambere ryiterambere naryo rirakwiriye kubantu bakeneye gukosorwa haba hafi ndetse no kure, kuko bitanga inzibacyuho hagati yububasha butandukanye.Ibi bituma bahitamo neza kubantu bafite ibyerekezo bitandukanye bakeneye, nkabakora kuri mudasobwa igihe kinini kandi bakeneye no kubona ibintu kure.
Ni ngombwa kumenya ko lens igenda itera imbere idashobora gukwira abantu bose, cyane cyane abafite ibibazo bimwe byamaso cyangwa ubumuga bwo kutabona.Ni ngombwa kugisha inama inzobere mu kwita ku jisho kugirango umenye niba lens igenda itera imbere ari amahitamo meza kubyo ukeneye byihariye.
Igihe cyo kohereza: Gashyantare-22-2023