Ukusuka kwilensi yogxininiso enye, ilensi ye-bifocal kwaye ngoku "ilens eqhubela phambili egxininise kakhulu", "ilensi eqhubekayo egxininise kakhulu" isetyenziswe ngokubanzi kwilensi yokuchasana nokudinwa kwabantu abadala, ilensi eqhubela phambili yobudala ephakathi kunye nelens yolawulo lwemyopia yabafikisayo.Ke, ngaba uyayazi ngenene nantoni na malunga neelensi zemultifocus eziqhubekayo?
1. Iilensi ezininzi ezigxile kwinkqubela phambili
Iiglasi eziqhubela phambili ezigxile kwizinto ezininzi ziyilelwe ukudibanisa imimandla ekude nakufutshane yokukhanya yelensi enye ngendlela yokutshintsha ngokuthe ngcembe idiopta ukusuka kude ukuya kufutshane, ukuze ukukhanya okwahlukileyo okufunekayo kujongo olukude, oluphakathi nolusondeleyo lufunyanwe kwi. ilensi efanayo.Ke ngoko, inokusombulula ngokufanelekileyo iimfuno zombono wesigulana kwimigama eyahlukeneyo ekude, ephakathi nakufutshane, ukuze kube nolawulo olungcono lokubonwayo okanye imbuyekezo.
2. Izinto eziluncedo kwilensi
I-1) Ukubonakala kwe-lens kufana ne-lens eyodwa yokukhanya, ngaphandle kokubona umgca wokuhlula ukuhluka kweqondo.Ayintle kuphela ngenkangeleko, kodwa ayikwazi ukuveza ubudala bomntu oyinxibileyo.
2) Njengoko idigri yelensi iqhubela phambili, akusayi kubakho mfanekiso wokutsiba.
I-3) Umbono ocacileyo unokufumaneka kuyo yonke imigama kuluhlu olubonakalayo, kwaye iperi yeglasi inokuhlangabezana neemfuno zemigama ekude, ephakathi kunye nekufuphi ngexesha elifanayo.
I-4) I-progressive multi-focus lens kubantwana inokunceda ukulungelelanisa indawo yamehlo yabantwana abane-oblique engabonakaliyo kunye nokunciphisa ukukhathala okubonakalayo.
3. Abantu abafanelekileyo
1) Abantu abangaphezu kweminyaka engama-40 abanqwenela ukubona umgama omde, ophakathi kunye nomfutshane ngokuqhubekayo;
2) Izigulane ezine-oblique ecacileyo ngenxa yokulawula ngokugqithiseleyo;
3) Izigulane emva kokufakelwa kwe-iOL.
4. Izilumkiso
1) Xa ukhetha iifreyimu zeeglasi, ubungakanani beefreyimu kufuneka bufuneke ngokungqongqo.Ububanzi obufanelekileyo kunye nobude befreyimu kufuneka bukhethwe ngokomgama womfundi.
2) Emva kokugqoka iiglasi, xa uqwalasela izinto kumacala omabini, unokufumanisa ukuba inkcazo iyancitshiswa kwaye into ebonakalayo ikhubaziwe, into eqhelekileyo kakhulu.Ngeli xesha, kufuneka ujike intloko yakho kancinci kwaye uzame ukubona ukusuka kumbindi we-lens, kwaye oku kungathandekiyo kuya kunyamalala.
3) Xa usiya kumgangatho osezantsi, nxiba iiglasi ezisezantsi kwaye uzame ukubona ukusuka kwindawo ekude yokusetyenziswa ngasentla.
4) I-Glaucoma, ukulimala kwamehlo, isifo seso esibukhali, uxinzelelo lwegazi, i-spondylosis yomlomo wesibeleko kunye namanye amaqela ayikhuthazwa.
Ixesha lokuposa: Feb-23-2022