Ziziphi iilensi zokuxhumana?
Sekucacile kakade kwisihloko esithi le ndlela yokulungiswa kombono iquka ukudibanisa okufutshane kunye namehlo. Iilensi zensimbi ezisetyenziswa ngokubanzi phakathi kwekhulu lokugqibela. Emva kokuba la malensi yayiyindawo eninzi idense, okwakungenakwenzeka ukuba uyigqoke yonke imini. Ngoku iilensi zincinci, ziphantse zingabonakali kwaye ziphantse zive.
Namhlanje, kukho iindidi ezininzi zonxibelelwano. Ziyakunzima kwaye zithambile, azikwazi ukulungisa kuphela i-myopia kunye ne-hyperopia, kodwa i-astigmatism. Kukho iilensi ezidalwe ngqo kubadlali. Ngokomzekelo, abadlali be-tennis basebenzisa iilensi eziphakamisa ukuhlukisana kwinguqulelo yebala, ukuze bakwazi ukubona ngokucacileyo ibhola elincinane. Kukho iilensi ezidalwe kuphela ukuhlobisa. Abanye babo batshintsha umbala wamehlo, abanye banako ukujika iso liso lomntu kwikati, bahombise umfundi ngeenkwenkwezi okanye iintyatyambo.
Ngomhla wokuphela kwee-lens zokudibanisa ziyahlukana - zikhona iilensi ezifuneka zitshintshwe imihla ngemihla, kukho abo abanokuphila kwesh shelf kweenyanga ezili-18.
Ungakhetha njani iilensi?
Nangona kukho ukufumaneka, iilensi - le yile divayili yonyango yokulungiswa kombono. Ngoko ke, kufuneka ukhethe abalungileyo kuphela emva kokubonisana nodokotela. Kumele bafanane nesi sifo, umbono wakho, umlo kunye nobukhulu beboni. Nguye kuphela oyingcali onokufumana ezifanelekileyo, ngoko kungcono ukuba ube nomrhumo, apho ophthalmologists anika xa bebhalisa iiglasi eziqhelekileyo. Ukwazi iziganeko zombono wakho, ugqirha ubeka iilensi kwizinto ezifunwayo ngokuphefumula kunye nomswakama. Oku kuya kwenza uzive ukhululekile kwaye unciphise ingozi yeengxaki ezinokwenzeka.
Ama-lens kufuneka athengwe kwikiti eneemveliso zonyango. Ngokuqhelekileyo oku kuyisitsha esikhethekileyo sokugcinwa, ukuguqula kunye ne-liquid for disinfection. Ngaphambili, ii-lens zoqhagamshelwano kufuneka zibiliswe emva kokusetyenziswa. Ngoku kunele ukubeka kwisisombululo kwiiyure eziliqela, kwaye baya kulungela ukusebenzisa kwakhona. Kufuneka uyazi ukuba ezinye iilensi zifuna ukucocwa kwansuku zonke, kuba zingenjongo yokugqoka iiyure ezingaphezu kwama-6 ukuya kwe-12, ngelixa ezinye zingagqalwa ukuya kwinyanga, ngoko ke ngamnye uyafuna ukunakekelwa ngabanye.
Ngoobani kwaye ziphi iilensi eziyingozi?
I-lens zoqhagamshelwano zibaninzi kakhulu abantu, kodwa kukho abo bachasene ngokukodwa. Ukuba umntu unezifo ezingapheliyo okanye ezigulane zeelekile, umzekelo, i-conjunctivitis, ngoko iilensi azikwazi ukugqithwa. Abafanelanga abantu abaneemvakalelo eziphezulu zeziliso kunye nezifo zecala elibhaliweyo.
Ezinye iingcali zikholelwa ukuba iilensi zincedo, ukuba ziyeke inkqubo ye-myopia. Abanye bathi abantu. Abagqoke iilensi zogxininiso ngokusisigxina, banokungenwa nezifo ezichaphazelekayo kunye nezinye izifo. Ukuze wenze izinto ezinjengeenkxalabo ezingathandekiyo, njengokuba kunqabile kangangoko kunokwenzeka, kufuneka ugcine amanyathelo okukhusela.
-Ukuba uqala ukugqoka ii-lens zokudibanisa, uzisebenzisele kancane kancane, ungabathanga iiyure eziliqela ngaphandle kokususa.
- Gcina iso elisoloko lisichukumisayo esandleni, ekubeni i-lens yenza ukuvakalelwa komzimba kwaye kubangele ubomvu nokubamba.
- Yithwala isitya kwiilensi kunye neziglasi xa kukho izibilini ezingathandekiyo ezingayi kudlula kwisithuba seyure. Emva koko i-lens kuyakufuneka isuswe.
-Ungashiyi iilensi ebusuku ngaphandle kokuba zenzelwe ukugqoka ixesha elide.
-Thengisa ezimbini zombini zee-lens uze uzigqoke ngokunye okunye olunye usuku, kodwa ngaphandle kokuxuba iilensi ezimbini ezahlukeneyo.
-Kukususa kunye nokubeka iilensi kuphela ngezandla ezicocekileyo, kubalulekile ukugcina isitya esilondolozwe kuyo.
-Isiqingatha sonyaka kuyimfuneko ukutyelela i-oculist ukuze uqinisekise ukuba iilensi azilimazi amehlo.
I-lens zoqhagamshelwano-into efanelekileyo neyayiluncedo, engabonakalisa kakubi ubomi xa ungayithobeli imithetho yokunyamekela. Ukuba ugqirha ucebisa ngokugqoka iiglasi, akunakwenzeka ukuba isisombululo esihle sizakuthenga iilensi. Kodwa, ngenye indlela okanye enye, isetyenziswe zizigidi zabantu emhlabeni wonke kunye nabasondela kwimpilo yabo yonke imfanelo, abanaso isizathu sokukhalaza ngemiphumo emibi yokugqoka ii-lens zokuxhumana.