Ukuba usandul 'uvavanyo lwe-lens yoqhagamshelwano, usenokumangaliswa kwi-bill yakho yokugqibela. Izigulane zihlala zizibuza ukuba kutheni ixabiso le-lens yokuhlola i-lens likhulu kunelo lihlolwe rhoqo. Kungenxa yokuba izigulane ezifanelekileyo kunye neelensi zokunxibelelana ziquka amanyathelo athile kunye nexesha elongezelelweyo. Ngokukodwa, zizinto ezimbalwa ezinokunyusa umgca:
Ukuba Utsha kuLonxibelelwano
Ukuba ucela ii-lens zoqhagamshelwano okokuqala, kufuneka ube nokuvavanya ngokuqinisekileyo ukuba ube ngumviwa ofanelekileyo wokugxiba oonxibelelwano. Uya kuxoxwa nodliwano-ndlebe ukwenzela ukuba uzimisele ukujonga iinjongo zakho zomntu kunye nomntu. Unokufuna nje ukugqoka oonxibelelwano kwimidlalo kanye ngeveki, okanye mhlawumbi ungathanda ukuwagqoka imihla ngemihla imisebenzi yokufunda nokuvala. Ngenxa yokuba kukho ukhetho oluninzi lwe-lens, ugqirha omuhle uya kuphulaphula ngokukhethekileyo iinjongo zakho kwaye ukhethe i-lens efanelekileyo ngokufanelekileyo kwindlela yakho yokuphila.
IiNzame ezongezelelweyo kunye neNkqubo
Ugqirha lakho lisehlo liya kwenza iimvavanyo eziliqela ukuvavanya amehlo akho kwiilensi zokudibanisa. Olunye uvavanyo olubalulekileyo luyimibala ye-corneal , inkqubo ebalawula zonke iinkalo ezahlukeneyo ze- cornea yakho. Iimodi zezolimo zibonisa iziphumo ezifana nezobugcisa beentaba. Imibala ebomvu (imibala ebomvu) ibonisa imimandla ehambileyo ye-cornea nemibala epholileyo (bluish) ibonisa indawo ephilileyo.
Ngenxa yokuba i-lens yoxhumo ihlala kwi-cornea xa ifakwe kwiliso lakho, i-curneal corneal kufuneka ilinganiswe ngokuchanekileyo ukuqinisekisa ukulungelelanisa okufanelekileyo kunye nempilo.
Olunye uvavanyo olubalulekileyo luvavanyo lokukhanyisa isibane . Nangona lo vavanyo lwenziwa ngexesha lokuhlolwa rhoqo kwamehlo, ugqirha wakho unokuchitha ixesha elide enze uvavanyo lwesibane sokuqhawula isalathisi somnxeba.
Ngamanye amaxesha, iingxaki zamehlo zonyango zibonwa zifuna ukuphathwa phambi kokuba ziqhubeke nokufaneleka.
Ukufakela oQhagamshelwano
Emva kokuxoxa ngeendlela ezahlukeneyo zokunxibelelana kwe-lens , i- lens yoxilongo yokuxilonga iya kufakwa emehlweni akho. Ugqirha wakho uya kuthi enze olunye uvavanyo lwesibane sombane ukujonga ukuba i-lens ethile ihambelana ngokufanelekileyo, ukuqinisekisa ukuhamba kakuhle kwe-lens. Kuza kwenziwa uvavanyo lwezinto ezibonakalayo ukuze kuqinisekiswe ukuba i-lens yoqhagamshelwano ilungisa njani umbono wakho.
Ukuba awuzange ugqoke iilensi zokudibanisa, uya kufundiswa ngendlela efanelekileyo yokufakela, ukususa, nokuyikhubaza. Uninzi lwagqirha lwamehlo luza kubaluleka kakhulu kwi-hygiene, ukucoceka nokukhutshwa . Ugqirha wakho uya kukuvumela ukuba ugqoke ii-lens zoqhagamshelwano ngeveki uze ubuyele ukuhambela ukulandelelana. Ekuhambelweni kokulandelelana, ugqirha wakho uya kuphinda ahlaziye ii-lens zoqhagamshelwano kwaye asombulule iingxaki. Ngaba i-lens entsha iya kuhlolwa okanye umyalelo uza kugqitywa. Ukuba umbono wakho kunye nenduduzo ayinelisekanga, ukutyelela okulandelelanayo kunokuyalelwa. Ezinye iintlobo zama-lens, afana nama-lens torsi yokulungisa i-astigmatism okanye i-lens multimodal ukulungisa i-presbyopia, ithambekele ukuthatha ixesha elingaphezulu ukufezekisa ngokufanelekileyo.
Iilensi zokudibanisa ezifanelekileyo zibabini isayensi kunye nobugcisa obunqanaba elithile lobuchule. Imirhumo yovavanyo lwe-lens kunye nolawulo luhlala phakathi kwe-$ 15 kunye ne-$ 160 ngaphezulu kweemviwo zeemvavanyo zamehlo eziqhelekileyo, ngokuxhomekeke kohlobo lwe-lens yolwazi olufunekayo. Ixesha kunye nokutyelela okongeziweyo, iimvavanyo ezizodwa, kunye nobuchule bogqirha yizinto eziqhelekileyo aziyiyo inxaxheba kwimeko yokuhlolwa kweempilo kunye neembono. I-Eye anatomy, impilo yamehlo, iinjongo zomntu ngamnye, kunye nohlobo lwamayeza lwenza ukuba uvavanyo lens contact kunye nezixhobo ezihlukeneyo zonke izigulane.