Ama-lens intraocular (i-IOL) angama-lens angama-prosthetic asetshenziselwa ukufaka esikhundleni se-lens yemvelo ekuhlinzekeni kwe-lens intraocular, njengokuhlinzwa ukukhipha i-cataracts. Phakathi nokuhlinzwa kwe-cataract , i-lens yemvelo isuswe futhi i-lens ecacile efakwe endaweni yayo. Esikhathini esedlulile, iziguli ze-cataract zanikezwa i-lens engasetshenziswa ekuthuthukiseni umbono noma eduze kombono, kodwa hhayi kokubili.
Iningi leziguli zakhetha ukuthi izimpande zazo zigxile kude. Ukufunda izibuko noma ama- bifocals kwakudingeka ukuba kube phakathi nokuphakathi. Namuhla, i-lens intraocular multifocal iqala ukufaka esikhundleni se-lens intraocular lens ngoba ivumela ukulungiswa kuzo zonke izindawo, okwenza umbono njengemvelo ngangokunokwenzeka. Lawa ma-lens avame ukubhekwa njenge-presbyopia-correctioning IOLs.
I-Presbyopia yokulungisa i-IOL ayibhekwa njengokwenyama ngokwemithi, ngakho-ke ayidingiwe yi-Medicare noma nezinye izinkampani zomshuwalense wezempilo. Izimplantshi zendabuko zendabuko, noma kunjalo, ngokuvamile zihlanganiswa nomshuwalense kanye neMedare. Ngenxa yalokho, odokotela abaningi abahlinzayo bahlawula imali noma ukufaka umfutho ekuhlinzekeni kwendabuko ye-cataract. Lezi zindleko zemali ezivela ku-$ 1,200 kuya ku-$ 3,500. Ubuchwepheshe ku-I-presbyopia-ekulungisa i-IOLs iyashintsha ngokushesha. Izinhlobo ezikhona okwamanje zivame ukuhlukaniswa ngamaqembu amabili, ukuhlala ngama-IOL kanye ne-IOLs multifocal.
Ukuhlala nge-IOL
Lezi zi-IOL zenzelwe ukusebenza nomzimba we-ciliary, isisipha esincane ngaphakathi kweso. Umzimba we-ciliary uyingxenye yendawo yethu ejwayelekile yokugxila ekusebenziseni kuzo zonke izimpilo zethu. Lezi zinhlanzi zisebenza ngezikhathi ezithile lapho sizama ukugxila ezintweni ezithile ebangeni eliseduze. Uma kusebenza izivumelwano, ivumela lens yethu yemvelo ukushintsha isimo, amandla akhula ukuze alethe izinto eziseduze.
Lapho ukuhlala kwe-IOL kufakwe esweni, izinkontileka ze-ciliary muscle futhi ivumela i-IOL ukuthi ihambe futhi ishintshe isikhundla. La ma-IOL anama-hinges amancane avumela ukunyakaza ukudala ukukhanya okucacile eduze, okuphakathi nendawo. Ukuhlala nge-IOL eduze kakhulu ukulingisa umbono ovamile futhi ube nenani elingaphansi lokuzwa okungafunwa okubonwayo, njenge-glare noma i-halos. Noma kunjalo, bangase banganikeli ngokwanele eduze kokugxila kwamandla kwezinye iziguli.
Izibonelo
I-Crystalens i-IOL : Ekuqaleni i-FDA evunyiwe ngo-2004, i-Crystalens yathuthukisa inguqulo yayo yasekuqaleni futhi yazuza ukugunyazwa kwe-FDA ngonyaka ka-2008. Ucwaningo lwe-FDA lubonisa ukuthi iziguli ezingu-80% ezazisetshenziswa i-Crystalens IOL zingase zibonwe 20/20 ezinyangeni ezine. I-Crystalens ijwayele ukunikeza umbono ongcono kangcono kude nasezindaweni eziphakathi, futhi kuyisinqumo esihle kakhulu kubantu abenza umsebenzi oseduze noma izinto zokuzilibazisa.
Ezinye i-IOLs yokuhlala (okwamanje kusezingeni lokuphenya):
- Ukuvumelanisa
- I-FlexOptic
- Smart
- FluidVision
- I-TetraFlex
Ama-IOL Multifocal
Lezi lens zenzelwe ukuvumela ibanga, eliphakathi nendawo eliseduze nokugxila futhi azixhomeki emzimbeni womzimba we-ciliary. Iningi lala ma-lens linolunye uhlobo lwezindandatho ezigxilile ezingenhla ezivumela izithombe kuzo zonke izindawo ukuba zigxile kwi- retina .
Ngenxa yalokhu, kudinga isikhathi esincane ukuze abantu bazivumelanise nabo. Amandla okugxila ahlinzekwa yizilensi ahlukile kunokugxila okujwayelekile abantu abaningi abanakho ngesikhathi sokuphila kwabo omdala. Ngakho-ke, ubuchopho kumele buvumelane nale ndlela entsha yokugxila. Noma kunjalo, basebenza ngokumangalisayo kahle.
Izibonelo
- I-ReZoom : isebenzisa izindawo ezinhlanu ezihlukahlukene zokukhanya ezibonakalayo ezincane ebusweni be-lens ukuze zinikeze umbono oseduze, ophakathi nendawo.
- I-Tecnis Multifocal : ithathwa njenge-"diffractive" i-IOL, equkethe izindandatho ezithintekayo ezandisa lonke ubude be-lens; ithuthukisa umbono wobusuku futhi kunciphise ukuthembela ngobukhulu bomfundi
- I-RESTOR : isebenzisa ubuchwepheshe obuxhomeke kumbono wabafundi ukunikeza umbono ocacile kuwo wonke amabanga, ngenketho ye-aspheric yokuthuthukisa ukushayela kwebusuku nokunciphisa ama-glare angafuneki nama-halos
Ukuthola ukuthi iyiphi i-lens engcono kakhulu kuwe, kungcono ukukhuluma nodokotela wakho. Abaningi bokuhlinza amehlo bazoqeda ukuxoxwa okude ngokuphathelene nendlela yakho yokuphila, umsebenzi kanye nendlela osebenzisa ngayo amehlo akho ngosuku nosuku ukukusiza ukuthi ukhethe ilensi ukuze ifanelane nawe kahle.