
| UMTHELELA WOMBONO | KUQEDIWE | KUPHELE KANYE | |
| IZINGA | UMBONO OWODWA | 1.49 I-INDEX | 1.49 I-INDEX |
| 1.56 I-INDEDLE INDEX | 1.56 I-INDEX EPHAKATHI | ||
| 1.60/1.67/1.71/1.74 | 1.60/1.67/1.71/1.74 | ||
| I-BIFOCAL | Phezulu Eliphansi | Phezulu Eliphansi | |
| ISIPHAKATHI ESIYINDILINGI | ISIPHAKATHI ESIYINDILINGI | ||
| AKUNAKWENZEKI | AKUBONAKALI | ||
| ITHUTHUKELA | UMGUQUKO OMUFUSHANE | UMGUQUKO OMUFUSHANE | |
| UMGUQUKO OJWAYELEKILE | UMGUQUKO OJWAYELEKILE | ||
| Umklamo Omusha 13+4mm | Umklamo Omusha 13+4mm |
● Amalensi Okubona Okukodwa: Iyini ilensi yokubona okukodwa?
Uma kunzima ukugxila ezintweni eziseduze noma ezikude, amalensi okubona okukodwa angasiza. Angasiza ekulungiseni: Amaphutha okubuka kabusha e-myopia kanye ne-presbyopia.
● Amalensi amaningi agxile:
Uma abantu benenkinga yokubona engaphezu kweyodwa, kudingeka amalensi anezindawo eziningi zokugxila. Lawa malensi aqukethe imithi emibili noma ngaphezulu yokulungisa umbono. Izixazululo zifaka:
Ilensi ye-Bifocal: Le lensi ingahlukaniswa izingxenye ezimbili. Ingxenye ephezulu isiza ukubona izinto zikude, kanti ingxenye engezansi isiza ukubona izinto eziseduze. Ama-Bifocal angasiza abantu abangaphezu kweminyaka engama-40 abahlushwa yi-presbyopia. I-Presbyopia eholela ekunciphiseni okuqhubekayo kwamandla okugxila ebangeni eliseduze.
Ilensi eqhubekayo: Lolu hlobo lwelensi lunelensi enezinga elishintsha kancane kancane phakathi kwamazinga ahlukene elensi, noma i-gradient eqhubekayo. Ilensi igxila kancane kancane njengoba ubheka phansi. Ifana nezibuko ezimbili ezingenalutho olubonakalayo kumalensi. Abanye abantu bathola ukuthi amalensi aqhubekayo abangela ukuphambuka okukhulu kunezinye izinhlobo zamalensi. Lokhu kungenxa yokuthi indawo enkulu yelensi isetshenziselwa ukuguquka phakathi kwamalensi anamandla ahlukene, nendawo egxile kuyo incane.
La malensi ayasiza uma unenkinga yokugxila ezintweni eziseduze noma ezikude. Amalensi anombono owodwa angalungisa:
● I-Myopia.
● Ukungalali kahle.
● I-Presbyopia.
Izibuko zokufunda ziwuhlobo lwelensi yokubona okukodwa. Ngokuvamile, abantu abane-presbyopia babona izinto kude ngokucacile kodwa banenkinga yokubona amagama lapho befunda. Izibuko zokufunda zingasiza. Ungazithenga kaningi ekhawunteni ekhemisi noma esitolo sezincwadi, kodwa uzothola ilensi enembile uma ubona umhlinzeki wezempilo ukuze uthole umuthi kadokotela. Izibuko zokufunda ngaphandle kwekhawunta azisizi uma amehlo angakwesokudla nakwesobunxele enemithi kadokotela ehlukile. Ngaphambi kokuzama ukusebenzisa izibukeli, bonana nochwepheshe wakho wokunakekelwa kwamehlo kuqala ukuze uqiniseke ukuthi ungawasebenzisa ngokuphephile.
Uma unenkinga yokubona engaphezu kweyodwa, ungadinga izibuko ezinamalensi amaningi. Lawa malensi aqukethe imithi emibili noma ngaphezulu yokulungisa ukubona. Umhlinzeki wakho uzoxoxa nawe ngezinketho zakho. Izinketho zifaka:
✔ Ama-Bifocal: Lawa malensi ayizinhlobo ezivame kakhulu zama-multifocal. Ilensi inezingxenye ezimbili. Ingxenye engenhla ikusiza ukuthi ubone izinto kude, kanti ingxenye engezansi ikusiza ukuthi ubone izinto eziseduze. Ama-Bifocal angasiza abantu abangaphezu kweminyaka engama-40 abane-presbyopia, okubangela ukwehla kwamandla akho okugxila eduze.
✔ Ama-Trifocal: Lawa ma-eyeglass angama-bifocal anesigaba sesithathu. Ingxenye yesithathu isiza abantu abanenkinga yokubona izinto ezingafinyeleleki engalweni.
✔ Okuqhubekayo: Lolu hlobo lwelensi lunelensi ethambekele, noma i-gradient eqhubekayo, phakathi kwamandla elensi ahlukene. Ilensi igxila kancane kancane njengoba ubheka phansi kuyo. Ifana nama-bifocal noma ama-trifocal angenamigqa ebonakalayo kumalensi. Abanye abantu bathola ukuthi amalensi aqhubekayo abangela ukuphambuka okukhulu kunezinye izinhlobo. Lokho kungenxa yokuthi indawo enkulu yelensi isetshenziselwa ukushintsha phakathi kwezinhlobo ezahlukene zamalensi. Izindawo ezigxile zincane.
✔ Izibuko zekhompyutha: La malensi amaningi anokulungiswa okwenzelwe ngqo abantu abadinga ukugxila ezikrinini zekhompyutha. Akusiza ukuthi ugweme ukukhandleka kwamehlo.