Varifocals na bifocals ni ubwoko bwombi bwindorerwamo zamaso zagenewe gukemura ibibazo byerekezo bijyanye na presbyopiya, indwara isanzwe ijyanye nimyaka igira ingaruka kumyerekano.Mugihe ubwoko bwombi bwinzira zifasha abantu kubona intera ndende, ziratandukanye mubishushanyo mbonera.Muri uku kugereranya kwuzuye, tuzasesengura itandukaniro ryingenzi riri hagati ya varifocal na bifocals, harimo iyubakwa ryayo, inyungu, ibibi, hamwe nibitekerezo byo guhitamo umwe kurindi.
Bifocals: Bifocals yahimbwe na Benjamin Franklin mu mpera z'ikinyejana cya 18 kandi igizwe n'ibice bibiri bitandukanye.Igice cyo hejuru cya lens gikoreshwa mukurebera kure, mugihe igice cyo hasi cyagenewe hafi yo kureba.
Ubwubatsi:Ibice bibiri birangwa numurongo ugaragara utambitse utandukanya ibice bibiri.Uyu murongo witwa "umurongo wa bifocal," kandi utanga icyerekezo gisobanutse cyerekana inzibacyuho hagati yintera no hafi yicyerekezo cya lens.
Inyungu nziza:Inyungu yibanze ya bifocal lens ni itandukaniro ryayo rigaragara hagati yintera no hafi yo kureba.Inzibacyuho itunguranye kumurongo wa bifocal ituma abambara bahindura byoroshye hagati yintera ebyiri zerekanwe mukureba igice gikwiye.
Ingaruka:Imwe mungaruka nyamukuru yibice bibiri ni umurongo ugaragara, ushobora kuba muburyo bwiza budashimishije kubantu bamwe.Ikigeretse kuri ibyo, inzibacyuho itunguranye hagati yinzira ebyiri zirashobora gutera ikibazo cyo kutabona neza cyangwa kugoreka, cyane cyane mugihe cyihuta cyihuse ureba hagati yintera nibintu byegeranye.
Ibitekerezo:Iyo usuzumye ibice bibiri, abantu bagomba kumenya ibyo bakeneye byerekezo bakeneye.Bifocals nuburyo bukwiye kubafite ibisabwa bitandukanye kandi byateganijwe kubirometero no hafi yo gukosora icyerekezo.
Varifocals:Varifocals, izwi kandi nka lens igenda itera imbere, itanga inzibacyuho itandukanijwe hagati yintera nyinshi zidafite umurongo ugaragara uboneka muri bifocals.Izi lens zitanga ubugororangingo intera, intera, hamwe niyerekwa hafi mugushushanya kamwe.
Ubwubatsi:Indwara ya Varifocal igaragaramo buhoro buhoro imbaraga za lens kuva hejuru kugeza hasi, bigatuma abambara bahinduranya intumbero yabo hagati yintera zitandukanye nta murongo ugaragara.Bitandukanye na bifocals, lens ya varifocal ntabwo igabanya igice kigaragara, itanga isura nziza kandi nziza.
Inyungu nziza:Inyungu nyamukuru ya varifocal nubushobozi bwabo bwo gutanga ikomeza, iyerekwa risanzwe ikosora intera zitandukanye.Igishushanyo cyemerera abambara guhinduka neza hagati, kure, no kureba hafi batiriwe bahura nimpinduka zitunguranye zijyanye na bifocal lens.
Ingaruka:Mugihe varifocals itanga ubunararibonye bwibintu bisanzwe, abambara bamwe bashobora gukenera igihe cyo kumenyera imiterere yiterambere.Iki gihe cyo guhindura, bakunze kwita "guhuza n'imihindagurikire y'ikirere," gishobora kuba gikubiyemo kumenyera uturere dutandukanye twerekanwe muri lens no kwiga gukoresha lens mu bikorwa bitandukanye.
Ibitekerezo:Iyo usuzumye ibintu bitandukanye, abantu bagomba kuzirikana imibereho yabo nuburyo bwo kubona.Indwara ya Varifocal ninziza kubantu bakeneye gukosorwa kutagira icyerekezo mu ntera nyinshi kandi bifuza gushushanya ubushishozi kandi bushimishije.
Guhitamo Hagati ya Varifocals na Bifocals: Mugihe uhitamo hagati ya varifocale na bifocals, ibintu byinshi bigomba kwitabwaho kugirango harebwe uburyo bwiza bwo guhitamo ibyifuzo byawe hamwe nibyifuzo bikenewe.
Imibereho n'ibikorwa:Reba ibikorwa byihariye bisaba icyerekezo gisobanutse ahantu hatandukanye.Kurugero, abantu akazi kabo karimo guhinduranya kenshi hagati yicyerekezo cya kure na kure barashobora kungukirwa ninzibacyuho itangwa na varifocals.Kurundi ruhande, abafite ibyerekezo byinshi byateganijwe barashobora kubona bifocals kuba amahitamo afatika.
Ibyifuzo byiza:Abantu bamwe barashobora gukundwa cyane kubijyanye no kugaragara kwamaso yabo.Varifocals, hamwe no kutagira umurongo ugaragara, akenshi itanga uburyo bushimishije muburyo bwiza kubambara bambara imbere yubusa, bugezweho.Bifocals, hamwe numurongo wabo utandukanijwe, irashobora kuba idashimishije muburyo bwiza.
Ihumure n'imihindagurikire y'ikirere:Hagomba gutekerezwa igihe cyo guhinduka gikenewe kuri varifocale na bifocals.Mugihe varifocale itanga impinduka karemano hagati yintera yibanze, abambara bashobora gukenera igihe cyo kumenyera igishushanyo mbonera cya lens.Abambara bifocal barashobora guhinduka vuba kubera itandukaniro rigaragara hagati yintera no hafi yicyerekezo.
Ibikenewe hamwe nicyerekezo gikenewe:Abantu bafite icyerekezo cyerekanwe cyerekanwe cyangwa ibibazo byihariye biboneka barashobora kubona ko ubwoko bumwe bwa lens bujyanye nibyo bakeneye.Ni ngombwa kugisha inama inzobere mu kwita ku jisho kugirango umenye amahitamo akwiye ashingiye ku cyerekezo cya buri muntu ku giti cye.
Mu gusoza, varifocals na bifocals zitandukanye mubwubatsi, inyungu nziza, ibibi, hamwe nibitekerezo kubambara.Mugihe bifocals itanga itandukaniro rigaragara hagati yintera no hafi yicyerekezo hamwe numurongo ugaragara, varifocals itanga inzibacyuho itandukanijwe hagati yintera yibanze idafite igice kigaragara.Iyo uhisemo hagati ya varifocals na bifocals, imibereho, ibyifuzo byuburanga, ihumure, guhuza n'imihindagurikire, hamwe nibyifuzo bya buri muntu bigomba gutekerezwa.Mugusobanukirwa ibintu bitandukanye nibitekerezo bijyana na buri bwoko bwa lens, abantu barashobora gufata icyemezo kiboneye kugirango bakemure ibyifuzo byabo byihariye.
Igihe cyo kohereza: Gashyantare-04-2024