Amaphuzu olwazi lwanamuhla Indlela yokwenza ama-lens "amancane, abe mncane futhi abe mncane kakhulu"?
Njengoba sonke sazi, izinga le-myopia liphansi, futhi ububanzi obusuka kumalensi kuya kumafreyimu bubanzi kunalelo lwe-myopia ephezulu. Ngakho-ke kubantu abane-myopia ephezulu, hlobo luni lwezibuko okufanele lube lufanele kakhulu kubo? Namuhla, landela ijubane lomhleli, sikhuphuke ndawonye.
1.Yini abantu abayifunayo kakhulu?
Ububi obukhulu be-myopia ephezulu ukuthi amandla aphezulu, i-lens iba mkhulu. Ngakho-ke, wonke umuntu ufuna i-lens ibe mncane futhi ibe mncane uma ihlanganisa ilensi yamandla aphezulu.
Kodwa-ke, noma yiliphi idigri linogqinsi, futhi inkomba ye-refractive eyandisiwe inciphisa ukushuba okusekelwe kubukhulu belensi ngokwayo. Ngisho nelensi engu-1.74, kufanele ibe mkhulu kunedigri ephansi.
2.Ungakhetha kanjani izibuko ze-myopia ephezulu?
Ngikholwa ukuthi wonke umuntu uyazi ukuthi isikhungo se-lens siwugqinsi futhi izinhlangothi zincane. Khona-ke uma ufuna ilensi encane, ungakhetha ilensi engu-1.74. Lokhu akuyona neze inkinga. Yini enye ongayenza ukuze uthole imiphumela engcono? Umhleli ufingqe izindlela ezimbalwa zawo wonke umuntu, futhi abangani bangabazama lapho behlanganisa izibuko.
(a) Uma ukhetha uhlaka lwe-acetate, ukujiya okungavinjwa luhlaka kuzoba ugqinsi futhi kubonakale mncane, futhi ifremu ye-acetate ngeke icindezele ibhuloho lekhala lakho ngoba izibuko zisinda kakhulu.
(b) Ukukhetha uhlaka oluncane kuzosiza izibuko zizonke zibukeke zizacile, ngoba amalensi mancane phakathi nendawo futhi awugqinsi ezinhlangothini, ngakho ukukhetha uhlaka oluncane kuzokwenza izibuko zibukeke zizacile.
(c)Ngesikhathi sokucutshungulwa, inkosi izokwenza umphetho omncane wokusika ukuze kuncishiswe ukushuba kwelensi. Uma le engeli isikwe kakhulu, umbuthano omhlophe ungakhula, futhi umphumela wokunciphisa ngeke ufezwe uma ukusika kuncane. Kunganqunywa ngokuya ngokuthanda komuntu siqu, futhi kungenzeka ukutshela iphrosesa.
Isikhathi sokuthumela: Jul-22-2021