hangen nesa guda ɗayaya haɗa da nisa, karatu da Plano.
Ana iya amfani da gilashin karatu don kallon wayar hannu, kwamfuta, rubutu da sauransu.Wadannan tabarauana amfani da su don ganin abubuwa na kusa musamman, wanda zai iya sanya wurin zama na ido ya zama annashuwa kuma ba gajiyawa ba.
Ana iya amfani da gilashin nesa don tuƙi, hawa, gudu da wasu ayyukan waje.Wadannan tabarauana amfani da su don ganin tazara mai haske musamman.
Don haka akwai gilashin da za a bambanta tazara da karatu.
Gilashin Plano gilashin ne ba tare da takardar sayan magani ba, wanda za'a iya amfani dashi don kare iska da yashi kawai, ko kuma don kyan gani.
2,Bifocal
Mai zanen ya tsara tsayin tsayin sama na ruwan tabarau don su iya lura da abubuwa sama da mita 3, yayin da aka tsara ƙananan ɓangaren don lura da abubuwan da ke kusa da wurin.Wannan zane yana bawa mai gilashin damar kallon nesa/kusa da abubuwa daban-daban.Ba lallai ba ne a cire gilashin, wanda ke ba da jin dadi ga mutanen presbyopia.
3. Masu ci gaba
Lens na ci gabawani nau'in ruwan tabarau ne wanda ke iya gani nesa da kusa.Akwai manyan yankuna biyu masu haske a cikin ƙirar ci gaba akan guntu.Ƙananan tsakiyar gefen hanci shine yanki na kusa;Ana samun ci gaba da hotuna na gani ta hanyar yanki mai canzawa tsakanin yanki mai nisa da yankin da ke kusa.Baya ga buƙatar mai sanye ya cire gilashin yayin kallon abubuwa masu nisa/kusa, motsin ido tsakanin tsayin sama da na ƙasa shima yana ci gaba.Lalacewar kawai shine akwai nau'o'in digiri daban-daban na bambancin hoton da ya wuce kima a ɓangarorin biyu na yanki mai ci gaba, wanda zai haifar da ma'anar haɓakar hangen nesa na gefe.
Masu ci gaba suna ba da sauƙi mai sauƙi daga nisa ta hanyar tsaka-tsaki zuwa kusa, tare da duk gyare-gyaren da aka haɗa.Kuna iya duba sama don ganin wani abu daga nesa, duba gaba don duba kwamfutarka a cikin tsaka-tsakin yanki, sannan ku sauke kallon ku ƙasa don karantawa da yin aiki mai kyau cikin kwanciyar hankali a yankin kusa.Wato, ruwan tabarau masu ci gaba su ne mafi kusanci ga yadda hangen nesa na halitta wanda zaku iya shiga cikin gilashin ido guda biyu.
Lokacin aikawa: Fabrairu-18-2022