Kana varwere vachienda kumahoromists, ivo vanofanirwa kuita shoma shoma sarudzo. Vanogona kunge vachifanira kusarudza pakati pegirazi rekuonana kana magirazi emaziso. Kana magrassasses achida, saka ivo vanofanirwa kusarudza mafuremu uye lens futi.
Kune mhando dzakasiyana dze lens, semuenzaniso, kuona chimwe chete, batiocal uye kufambira mberi lens. Asi vazhinji varwere vangasaziva kana vachinyatsoda maletical kana kufambira mberi, kana kuti kana magetsi asina kuroora akakwana kuti ape chiratidzo chakajeka. Kazhinji kutaura, single yechiono lenses ndiwo marimu anowanzo kupfeka vanhu vazhinji pavanotanga kupfeka magirazi. Chaizvoizvo vanhu vazhinji havafanire kunetseka nezve bifocal kana kufambira mberi lens kusvika iwe wave makumi mana kana kupfuura
Pazasi pane rumwe ruzivo rwakashata kwauri kuti uone kuti ndedzipi lens dzakakukodzera iwe, kusanganisira zvese zviri zviviri zvemukati zvemhando uye zvakare mutengo.
Single chiratidzo lenses
Zvakanakira
Mazhinji anokwanisika lens mhando, yaishandiswa kururamisa pachena uye kutaridzika.
Kazhinji hapana nguva yekugadzirisa inodiwa kuti ujairire.
Iyo Yakachipa Lens
Zvinokuvadza
Ruramisa chete chiratidzo chimwe chakadzika, pedyo kana kure.
Bificeal Lenses
Zvakanakira
Chikamu chekuwedzera chinopa zvese zvepedyo-kumusoro & kure chiratidzo kururamisa.
Mutengo unobudirira mhinduro kune akawanda maoni maoni.
Zvakachipa, kunyanya zvichienzaniswa ne lenses inofambira mberi.
Zvinokuvadza
Kusiyanisa, kusiri-discrete mutsara & hafu denderedzwa yakavezwa padhuze nekono
Image kusvetuka kana ichinjika kubva kure kusvika padhuze nekuona & kumashure zvakare.
Kufambira mberi lenses
Zvakanakira
Iwo maLenzi anofambira mberi anopa pedyo, pakati, uye kure kure chiratidzo kururamisa.
Bvisa kukosha kwekuchinja pakati pezvakawanda zviviri zvegirazi.
Hapana mitsara inoonekwa pane lens kune isina kusungwa shanduko pakati pematare matatu.
Zvinokuvadza
Nguva yekugadzirisa inodiwa kudzidzisa varwere pakushandisa nzvimbo nhatu dzakasiyana.
Vashandisi vatsva vanogona kunzwa vanonzwika kana kushungurudzika kusvikira vajaira.
Zvakawanda zvinodhura pane chimwe chiono chiono kana bificeal lens.
Ndinovimba ruzivo rwuri pamusoro rwunobatsira iwe kuti uwane nzwisiso iri nani pamusoro pemhando dzakasiyana dzemhando, uye zvakare mutengo. Zvisinei, nzira yakanakisa yekuziva kuti nderipi lens kurudyi kubvunzana neunyanzvi octometrists. Ivo vanogona kuita kunyatsoongorora kwehukama hwako uye zviono zvinodiwa, uye kurudzira iyo yakakodzera kwazvo.