Ingabe kukhona okwaziyo ngempela mayelana namalensi e-multifocus aqhubekayo?

Kusukela kwilensi yokugxila eyodwa, ilensi ye-bifocal futhi manje "ilensi yokugxila okuningi", "ilensi yokugxila okuningi eqhubekayo" isetshenziswe kabanzi kumalensi alwa nokukhathala, ilensi yabadala eqhubekayo kanye nelensi yokulawula i-myopia yentsha.Ngakho-ke, ingabe kukhona okwaziyo ngempela mayelana namalensi e-multifocus aqhubekayo?
1. Amalensi amaningi agxile kakhulu
Izibuko ezigxile ezintweni eziningi eziqhubekayo ziklanyelwe ukuxhuma izindawo ezikude neziseduze zokukhanya zelensi efanayo ngendlela yokushintsha kancane kancane kwe-diopter ukusuka kude ukuya eduze, ukuze ukukhanya okuhlukile okudingekayo ekubukeni okukude, okumaphakathi nokuseduze kutholakale ilensi efanayo.Ngakho-ke, ingakwazi ukuxazulula ngempumelelo izidingo zombono wesiguli ezindaweni ezikude, eziphakathi nendawo naseduze, ukuze kube nokulawulwa okungcono kokubonwayo noma isinxephezelo.

2. Izinzuzo zamalensi
1) Ukubonakala kwelensi kufana nelensi yokukhanya eyodwa, ngaphandle kokubona umugqa ohlukanisayo wokuhluka kwedigri.Akuyona nje enhle ngokubukeka, kodwa futhi ayikwazi ukudalula iminyaka yokugqoka.
2) Njengoba idigri yelensi iqhubeka, ngeke kube khona ukwenzeka kwesithombe sokugxuma.
3) Ukubona okucacile kungatholakala kuwo wonke amabanga ebangeni elibukwayo, futhi ingilazi eyodwa ingahlangabezana nezidingo zamabanga akude, aphakathi nendawo naseduze ngesikhathi esifanayo.
4) Amalensi agxile kakhulu ezingane angasiza ekulungiseni indawo yamehlo yezingane ezine-oblique ecacile ngokweqile futhi ehlise ukukhathala okubukwayo.

3. Abantu abasebenzayo
1) Abantu abangaphezu kweminyaka engama-40 abafisa ukubona njalo ibanga elide, eliphakathi nendawo nelifushane;
I-2) Iziguli ezine-oblique ecacile ngenxa yokulawulwa ngokweqile;
3) Iziguli ngemva kokufakwa kwe-iOL.

4. Izinyathelo zokuphepha
1) Lapho ukhetha amafreyimu ezingilazi, ubukhulu bamafreyimu kufanele budingeke ngokuqinile.Ububanzi nobude obufanele bamafreyimu kufanele kukhethwe ngokwebanga lomfundi.
I-2) Ngemva kokugqoka izibuko, lapho ubheka izinto ezinhlangothini zombili, ungathola ukuthi incazelo iyancipha futhi into ebonakalayo ikhubazekile, okuyinto evamile kakhulu.Ngalesi sikhathi, udinga ukuguqula ikhanda lakho kancane bese uzama ukubona kusukela phakathi nendawo ye-lens, futhi ukungakhululeki okungenhla kuzonyamalala.
3) Lapho ushona phansi, gqoka izibuko ezansi bese uzama ukubona kude endaweni esetshenziswayo engenhla.
4) I-glaucoma, ukuhlukumezeka kwamehlo, isifo samehlo esibi, umfutho wegazi ophakeme, i-spondylosis yomlomo wesibeletho namanye amaqembu akunconywa.