I-lenses engabonakaliyo ye-biifacal i-goone ye-tee-tech ye-teetee ye-teeter enokuthi ngaxeshanye ichaneke ngaxeshanye zombini i-hyperopia kunye ne-myopia. Uyilo lolu hlobo lwelensi olungakhange luthathe ingqalelo kuphela iingxaki ezinokuthi zilungiswe iiglasi eziqhelekileyo, kodwa zikwajonga neengxaki ezibonakalayo ezikhoyo kumaqela akhethekileyo. Kweli nqaku, siza kubonelela ngenkcukacha ezichaziweyo kwimisebenzi kunye nezibonelelo ze-lenses ezingaphathekiyo.
Amanqaku: Kukho amanqaku amabini agxile kwi-lense enye, oko kukuthi, kwilensi enye eqhelekileyo
I-onlay i-lens encinci enomkhenkce ohlukileyo kwilensi:
Isetyenziswe ngokuchaseneyo kwizigulana ezinePressopia ukubona kude kwaye zivale:
Ngasentla ngumgama wokujonga (ngamanye amaxesha ukukhanya kweflethi), kwaye ngezantsi ngumgama wokujonga
Ixesha lokufunda:
Isidanga esikude sibizwa ngokukhanya, kwaye isidanga esikufuphi sibizwa ngokuba sezantsi
Umahluko ophantsi olwenziweyo wongeza (i-liminossity yangaphandle);
Yahlulwe ukuba ilula kumgca wokukhanya okuphezulu, ukukhanya okuphezulu kabini, kunye nesetyhula ngokwesimo seqhekeza elincinci
Ukukhanya okuphezulu kabini, njl.
Izibonelelo: Oku kuphelisa isidingo sezigulana ezinePressopia ukutshintsha iiglasi zazo xa zijonga kufutshane kwaye zikude.
Izinto ezingalunganga: Kukho into yokutsiba xa utshintshile phakathi kokujonga kude kwaye ujonge kufutshane;
Kukho umahluko obalulekileyo kwinkangeleko yeelensi rhoqo.
Ngokwendlela yokukhanya okukukhanyayo kwenxalenye yelensi ye-bobocal, inokohlulahlulwe yabekwa:Iflethi-ephezulu,Umphezulu ophezulu kwayeEngabonakali.
Xa kuthelekiswa neflethi-ephezulu kunye nelensi engabonakaliyo enenzuzo yokungakwazi ukwahlula umda phakathi komda phakathi kweMyopiya kunye ne-Presbypia ukusuka kwimbonakalo, kwaye ifana nelensi yelensi enye. Xa ujonga izinto, akukho ngqondo ibonakalayo yokuthintelwa, ukwenza ukunxiba kakhulu.
Le yifoto yethu egqityiweyo egqityiweyo, enokuba nayo i-antil blue eluhlaza okwesibhakabhaka kunye nemibala yokutshintsha imibala.
Ngaba akukho kumda ocacileyo, akunjalo?
Emva kokukhanyiselwa ngumbala otshintsha ukukhanya, kuvela i-grey.
Ukuba unomdla kule mveliso, nceda uqhagamshelane nathi.choose iilensi zokuzisela amava okuthuthuzela ongalindelekanga!
IXESHA LOKUQALA: UNv-17 ukuya ku-923