I-Orthokeratology - indlela yokubuyisela umbono, okubandakanya ukugqoka amalasi ebusuku. Lena indlela yokulungisa okungelona ukuhlinzwa. Kuze kube manje, kubhekwe njengendlela ephumelela kakhulu futhi elula, ngakho-ke inani elikhulayo leziguli ze-ophthalmology lisiza usizo.
Yini i-lens ebusuku yokubona?
Emgodleni walo, i-night lens evamile ayifani neze. Umehluko oyinhloko wukuthi zenziwe ngezinto eziqinile kakhulu zogesi. Ngesikhathi ukwelashwa kwe-OC, umphumela ku-cornea kanye noshintsho esimweni saso kwenziwa kancane kancane.
Ama-lens bokuqala ebusuku avele eminyakeni engu-60. Yiqiniso, kusukela ngaleso sikhathi umklamo wabo ushintshile kakhulu futhi uthuthukile. Isimiso sokusebenza kwabo sisekelwe eqinisweni lokuthi, nge-myopia, imisebe yokukhanya, idlula imidiya ebonakalayo yamehlo, igxile ngqo phambi kwe-retina. Ukuze ugxile kakhulu kwi-retina, udinga ukushintsha ukuma kwe-cornea - ukwenza kube yipulazi elincane. Ukwenza lokhu, udinga ama-lens aqinile ukubuyisela umbono. Basiza ukudala ungqimba olusha "olungakwesokudla" lwe-cornea.
Esinye sezici eziphawulekayo zendlela ukuthi wukuthi, ngosuku lwesiguli, isiguli asidingi noma iyiphi i-optics yokulungisa. Kodwa ngenxa yemigomo ye-orthokeratological yokusebenza, ubusuku bobusuku kumele buguqulwe njalo noma okungenani ebusuku. Uma ubayeka ngaphambi kwesikhathi, bese kungakapheli izinsuku ezintathu i-cornea izobuyela esimweni sayo sokuqala.
Umphumela wokusebenzisa ukwelashwa okubuyiselwayo - ukulungiswa kombono ebusuku ngamalensi webusuku
Ngokwezibalo, i-orthokeratological lens ingalungisa i-myopia phakathi kokungu--1.5 kuya ku -4 okuyi-diopters. Kukhona amacala lapho le ndlela nayo isize iziguli ezine- myopia ku--5 no -6 zokudinga. Kodwa kuze kube manje akuzona njalo.
Izinguquko eziphezulu zigcinwa ngokushesha ngemuva kokuqala kwesicelo sama-lens. Kuleli phuzu, ukulungiswa kwe-75% yombono kwenzeka. Kodwa ukutakula ngokugcwele kuzokwenzeka kuphela ngemuva kwamalanga ayisikhombisa kuya ku-7-10. Ngesikhathi ukwelashwa ntambama, lapho isiguli singekho kuma-lens, umphumela ungase wehle kancane. Lesi simo sivamile.
Izinzuzo zamalensi ezigqoka ubusuku bonke ukubuyisela umbono:
- Ukungafani. Abanayo imikhawulo yobudala. Futhi lokhu kusho ukuthi zingasetshenziswa izingane ezingakulungele ukulungiswa kwe laser.
- Ukuphepha. Ngaphansi kwama-lens alungile, i-cornea ayizizwa ingenalo umoya-mpilo, njengokwenzeka emini. Futhi ngisho ne-hypoxia yasebusuku, ekhuphuka ngaphansi kwamajwabu avulekile, ihlawuliswa ngokuphelele ngosuku.
- I-Hypoallergenicity. I-Orthokeratological lenses ayibangeli ukwelashwa, i-conjunctivitis, i- keratitis . Ngaphezu kwalokho, bangasebenzisa ngokuphepha noma yimaphi ama-makeup. Into esemqoka ukuyihlanza ebusuku.
- Isikhathi eside. Ama-lens asebusuku ukuze abuyisele umbono aphile isikhathi eside. Futhi ngokunakekelwa okufanele, ngeke kudingeke ushintshwe.
Futhi okunye: lawa malensi akanayo ukulinganiselwa kochwepheshe, akudingeki asuswe njalo ngesikhathi semidlalo noma ebhukuda. Zifanele ngisho nalabo bantu abazizwa bengakhululekile kuma-lens ajwayelekile.
Ukuqhathaniswa nokusetshenziswa kwamalensi webusuku ukubuyisela umbono
Ngezinkomba zokungahambisani kuyadingeka ukuba zifinyelele esikhathini eside, kodwa ziyi:
- I-Orthokeratological lens ayikwazi ukugqoka iziguli ezinezifo ezivuthayo emehlweni nasemahlombe.
- Le ndlela ingalimaza labo abanezibazi endaweni ephakathi kwe-cornea.
- Akuyona into engathandeki ukusebenzisa amalensi e-syndrome eyomile kakhulu.
- Ngesikhathi sokugula, okuhambisana ne-fever nephunga eligijima, ukugqoka ama-lens kumele kukhishwe.