Ayisebenziumbono omnye:
Xa abantu abangaphezulu kweminyaka engama-40, isibini esinye seIiglasi zombono enyeisenokungakwazi ukufikelela kwiimfuno zabo. Banokubona umgama kodwa bangavali, okanye babone kufutshane kodwa hayi umgama. Ngeli xesha, kufuneka banxibe izibini ezibini zeeglasi, iiglasi zokufunda xa zisetyenziselwa ukubona izinto ezisondeleyo kunye neeglasi zomqolo ukuze ubone umgama. Enye indlela kukunxiba iiglasi ezigxile kwiiglasi ezininzi, kwaye iiglasi ezigxile kwiiglasi ezininzi zibandakanyaIiglasi ze-Bifocal kunye nenkqubela phambili. Iiglasi ezigxile kwiiglasi zeglasi zinokusetyenziselwa ukubona umgama kwaye zivale, ungasebenzisa icandelo eliphezulu lokubona umgama kunye nenxalenye esezantsi ukubona kufutshane nezinto.
Yintoni umahluko phakathiinkqubela phambili kunye ne-bifocal
I-1. Ii-Bifocals zikunceda ukuba ufike kude kwaye kufutshane nembono kuphela, kwaye uya kuvelisa umzobo xa ubonakala kufutshane emva kokuba ubona umgama.
2. Uya kufumana umbono oqhubekayo kubantu abakude, phakathi, kwaye kufutshane neelensi eziqhubela phambili, kwaye ngaphandle kwemigca, akukho mfanekiso ucaphukisayo itsiba.
I-3. Iilensi zenkqubela phambili ziyabiza kakhulu kunezifoni. Kodwa ixabiso elongezelelweyo lifanelekile ixabiso layo.
AbafunaIiglasi eziqhubayo
1. Njengoko iliso lomntu likhathaza, ilensi ilukhuni ngokuthe ngcembe, ibangela iliso lijonge ukukhanya ngasemva kunokuba lijonge izinto ezisondeleyo. Le yiPrestoopia. Le phenomenon iqhelekile phakathi kwabantu abakwiminyaka ephakathi nabadala ngaphezulu kweminyaka engama-40.
2. Ukuba une-myopia kuphela (i-nears) okanye i-hyperopia (i-fair), ufuna kuphelaI-lenses yombono, kodwa ukuba une-Prestonesiya kunye nenye yezo zimbini zombono kwangaxeshanye, nifuna i-lenses eziphucula indlela ozibona ngayo zombini izinto ezisondele kufutshane nezakwade.
3. Ezinye iintlobo zomsebenziIilensi ezihambelanayoziyafumaneka kwimisebenzi ethile. Xelela ugqirha wakho ukuba ufuna i-ries yakho ekhethekileyo ngenxa yomsebenzi. Njengaxa uqhuba imoto kwindlela ephezulu yesantya, kufuneka ujonge umgama, ubone ukuba ingakanani ioyile eshiyekileyo.
4. Ke, ukuba ufuna izibini ezibini zeeglasi zokufunda kunye nokusetyenziswa komgama, iiglasi eziqhubayo zinokukulingana.
I-LAB yethu ixhotywe ngoomatshini ukusuka kwi-strastid kwaye ifake i-Optotech ye-Optotech kunye ne-IOI yazo yoyilo lweelensi eziqhubayo ze-lenses.
IXESHA LOKUQALA: NgoFebwe-18 ukuya kwi-1822