Amalensi okuxhumana nawo ayindlela ethandwa kakhulu yokulungiswa kombono. Muva nje, imakethe yale mikhiqizo iye yandise kakhulu, ngakho umthengi ubhekene nenkinga enkulu yokuzikhethela. Indlela yokukhetha amalensi wamehlo, ngakho-ke asebenze isikhathi eside futhi angabangeli ukusabela okwe-allergen?
Ukuphindaphindiwe kwe-lens esikhundleni
Amalensi oxhumana nawo ayingxenye yendabuko futhi ehleliwe. Isigqoko sokugqoka kuqala siyizinyanga eziyisithupha noma ngonyaka. Kudinga ukunakekelwa ngokucophelela. Kubalulekile ukuwahlanza kuphela ngosizo lweziphilisi ezikhethekile ze-enzyme. Imikhiqizo enjalo ingcono ukungakhethi, ngoba kaningi ayilungisi izilingo zeziguli futhi akwanelisi ophthalmologists ngezinkomba zesimanje.
I-lens esikhundleni sayo ihlukaniswe ibe:
- Usuku olungu-1;
- 1-2 amasonto;
- ukushintshwa kwenyanga;
- Izinyanga ezintathu.
Zonke zidinga ukuhlanzwa nge-enzymatic. Ukuze wenze lokhu, kungcono ukusebenzisa izixazululo eziningi. Ukuze ukhethe kahle ama-lens okushintshwa kwamehlo okuhlelwe, thola ukuthi zingakapheli kangakanani isikhathi eside (kuphela phakathi nosuku noma phakathi nesikhathi sonke), futhi nokuthi yiziphi izinto ezenziwe. Lokhu kuzokuvumela ukuthi uthenge imikhiqizo engeke ikubange ukuthi usondelene nesifo somzimba kanye neminye imiphumela emibi.
Amalensi we-Toric
Akukatholakali kakhulu, amamodeli avele emakethe ukuthi alungise ngempumelelo i-astigmatism. Lezi yi-lens toric. Bathuthukisa izinga lokubona kubantu abanesici esinengqondo kunalezi zibuko ezikhethekile. Uyazi ukuthi ungakhetha kanjani ama-lens okuthintana nawo amehlo? Ungakhathazeki. Ziza ngezindlela ezimbili kuphela:
- I-Hydrogel - ifanele kulabo abadinga amalensi ngosuku abagqoke ngalo, ngoba abahloselwe ukulala.
- Silicone-hydrogel - kunconywa iziguli eziyinhloko ezithintekayo ezifweni zomshoshaphansi.
Kukuphi ukukhetha amalensi wamehlo?
Amalensi amaningi athengiswa ku-optics. Kodwa uhla oluningi lwemikhiqizo enjalo yokwanda kwezinto ezibukwayo zitholakala ezitolo ze-intanethi. Kuphi kungcono ukukhetha amalensi wamehlo? Kubalulekile ukwenza lokhu ezikhungweni ezikhethekile lapho kukhona udokotela ophthalmologist oqeqeshiwe. Ingcweti kuphela ezokwazi ukuqhuba isifundo sobuso ngokucophelela kuyo yonke imingcele edingekayo futhi uthole:
- inani le-dioptric;
- isimo jikelele sombono,
- ukuvinjelwa kwe-cornea;
- izinkomba zokucindezela kwe-intraocular ;
- indlela umbono wesiphambano kanye nemisipha yamehlo isebenza ngayo.
Ngemuva kokuqedela ucwaningo, ungaqhubeka nokukhethwa kwamalensi, ngokusekelwe kokuthandayo.
Awunalo ithuba lokuvakashela i-ophthalmologist? Ngingakhetha kanjani amalensi wamehlo ngaphandle kodokotela? Lokhu kungenziwa kuphela uma unemibuzo yokuhlolwa kokuqala! Amalensi okuthintana ayinto yezokwelapha, ngakho-ke ungazithenga uma usuvele wazi ukuthi yiluphi uhlobo olufanele kakhulu kuwe.
Ungakhetha kanjani ama-lens ezinemibala ngamehlo?
Ama-lens oxhumana nabo abanobuciko yizinto ezibulala umzimba ezishintsha umbala wemvelo wamehlo futhi zinikeze ukuveza okukhethekile. Ngaphezu kwalokho, bangakwazi ukuxazulula izinkinga zokuziqhenya nezengqondo zeziguli ezineziphambeko zombala noma i-thorn. Ku-optics ekhethekile kungenzeka ukuba uzame ngama-lensi emibala eminingana. Lokhu kuvumela iziguli ukuba zikhethe imikhiqizo ekhona
Ngaphambi kokukhetha i-lens yombala wamehlo, kufanelekile ukuhlola umbono wakho, ngoba ngaphezu komsebenzi wokuhlobisa, banamanye amathuba. Isibonelo, uma uhlushwa yi-closesightedness (kuze kube yi--8 diopters), ingasetshenziswa ukulungisa inkinga enjalo yesifo.
Kulabo abanelanga elikhanyayo elibangela amehlo namanzi, kufanele uzikhethele ama-lens ezinemibala abamba i-ultraviolet. Emaphaketheni abo kukhona uphawu olukhethekile ngesimo selanga noma incwadi ethi "UV".