Izidakamizwa zivamile kubantu asebekhulile, ukuhlinzeka nge-cataract njengenye yezinqubo zokuphepha eziphephile ezenziwe phakathi kwamaMelika. Uma uhlola ukwelashwa kwe-cataracts, ungase ube nesithakazelo ekuhlinzekeni kwe-laser cataract.
Ukuhlinzwa okuvamile kwe-cataract kugcwaliswa besebenzisa i-blade encane yokucubungula kokuqala, kulandela inqubo eyenziwe nge-phacoemulsifier.
I-phacoemulsifier iyisetshenziswa se-ultrasound eshukumisa ngejubane elinjalo ukuthi i-cataract i-emulsified noma ichitheka zibe izingcezu ezincane futhi ilandwe ngobumnene ngeso.
Ngo-2011, i-Food and Drug Administration yanikeza imvume ezinkampanini eziningana ze-laser for operation cataract, okuthiwa yi-femtosecond laser cataract surgery.
Ukwelashwa kwe-Cataract ye-Laser Verses Laser
Ngesikhathi sokuhlinzwa kwendabuko ye-cataract, ukuqubuka okuncane kwenziwa enhlobonhlobo ye- cornea . Ukukhwabaniswa kwenziwa ngensimbi noma idayimani eligcinwe udokotela ohlinzayo. Lokhu kuhlanganiswa okuzibophezela kungamamitha amabili kuya ku-2,5 ubude ubude futhi kunomshini oqondile futhi oqondile ukuze kungabi khona iziqu ezidingekayo.
Ngokuhlinza i-laser cataract, nge-laser femtosecond, udokotela ohlinzayo angabuka isithombe esikhulisiwe nesiphezulu esinikezwe yona yidivayisi ye- OCT eyakhelwe ngaphakathi. Ukucubungula komzimba kungenziwa ngendlela ehlelekile ngaphandle kokucabangela okuhlangenwe nakho kohlinzayo.
Lokhu kuhlanganiswa okuklama laser kuphephile futhi kusindile kangcono kunomshini ohlinzayo ohlinzayo.
Ingxenye elandelayo yokuhlinzwa kwendabuko ye-cataract yi-capsulotomy. Ngesikhathi se-capsulotomy, udokotela ohlinzayo uyakhala imbobo encane engxenyeni engaphambili ye-capsule lens ephethe i-lens ne-cataract. Ukunemba kwalesi sigaba sokuhlinzwa kungahluka kusukela ohlinzayo ohlinzayo ohlinzayo njengoba ngokucophelela kwe-capsulotomy kuncike ekuhlangenwe nakho kokuhlinza.
Udokotela ohlinzayo uzokwenza lokhu kuvulwa ngokusebenzisa inaliti ukudiliza imbobo encane ku-capsule. Udokotela ohlinzayo uzosebenzisa i-forceps ukudiliza umbuthano ube yingxenye yangaphambili ye-capsule. Le yingxenye ebalulekile yokuhlinzwa ngoba i-capsule endala izohlala ibambe iqhaza elisha noma i-intraocular lens, efakwe esweni ukuze lishintshe inkimbinkimbi ye-lens-cataract.
Ekuhlinzekeni kwe-laser cataract, i-capsulotomy yenziwa ngendlela ehamba phambili eyinkimbinkimbi futhi ihlulekile ngokuphelele ohlinzayo. Lesi sici esiyindilinga singaba siphezulu ngokugcwele ukuze sibambe ukugxilisa lens entsha.
Uma i-capsulotomy iyenzeka ekuhlinzekeni kwe-cataract yendabuko, udokotela ohlinzayo usebenzisa idivayisi ye-phacoemulsifier esebenzisa i-ultra-high ultrasound esheshayo ukuze aphule i-cataract ibe yizicucu ezincane, ezithathwa ngokucophelela.
Nge-laser femtosecond, i-lens iphukile yaba izingcezu ezincane njengokuthi i-phacoemulsifier. Inzuzo yokusebenzisa i-laser yilapho amandla amancane angena ekugqaseni i-cataract ngaphandle, ngaleyo ndlela ukunciphisa izinkinga ezingase zibe khona, njengokuphuka ngokweqile i-capsule, noma izinkinga ezinzima, ezifana nokuphuma kwegazi noma ukuthunjwa kwe-retinal.
Isinyathelo esilandelayo kwinkqubo ye-cataract ukufaka ukufakelwa kwe-lens entsha ye-intraocular esikhundleni se-lens esasuswa ngaphambilini.
Ezigulini eziningi, amandla ebalwa we-lens implantation entsha ezama ukunciphisa isidingo sokuba isiguli sigqoke izibuko emisebenzini eminingi yebanga ngemva kokuhlinzwa. Uma umuntu ohlinzwayo eseduzane noma esibheke phambili, ukufakelwa kwe-lens kuzokwenelisa leyo kadakamizwa.
Ngezinye izikhathi, i- astigmatism esalayo izovela, ebangele umbono ongaphansi kokufundwa ngemuva kokuhlinzwa. Abahlinza abaningi abahlinzayo bazodala ukucubungula okuncane ngokusebenzisa i-blade ukukhokhela i-astigmatism esalayo. Ngokuphindaphindiwe, nge-laser, enembile kakhulu, ibekiwe kangcono, ukucutshungulwa kwe-laser kungenziwa ngomzamo wokuqeda i-astigmatism.
Ingabe Ukuhlinza I-Laser Cataract Kungcono?
Ukuhlinzwa kwe-cataract yendabuko kuqhubeka inqubo ephephile futhi ephumelelayo. Iningi odokotela bakholelwa ukuthi ukuhlinzwa kokuhlinzwa kwe-cataract nakanjani isinyathelo esilandelayo sokuthuthukisa ngcono ukuphepha nemiphumela yabantu abane-cataract operation. Abaningi abahlinzayo bama-cataract bakholelwa ukuthi ekugcineni yonke inqubo yokuhlinza i-cataract izokwenziwa ngokusebenzisa i-laser.
Namuhla, ukuhlinzeka kwe-laser cataract kuzobonakala kukhanya kakhulu kwi- multifocal premium noma i-presbyopia-correction-correcting plant. Lezi zimila ze-premium multitifocal zinciphisa ukuthembela kuma-eyeglass ngokulungisa ama-cataract ngokulungisa izinkinga zokubona ibanga kuphela kodwa nombono ophakathi nendawo. Lezi zimila zenzelwe ukuvumela isiguli ukuba sidinga kuphela izibuko ngesisekelo esincane kakhulu. Lolu hlobo lokuhlinzwa ludinga ukucaca okukhulu, ngakho-ke laser femsecond laser.
Ukudalwa kwe-Laser Cataract Surgery
Enye yezingqinamba ezimbalwa zokuhlinzwa kwe-laser cataract kuyinto ukukhathazeka izimonyo. Abantu abasebenzisa inqubo ye-laser bavame ukuthuthukisa ubomvu obengeziwe ngosuku olulandelayo ngemuva kokuhlinzwa, ngenxa yokuzibandakanya kwesimbi ngesikhathi sokuhlinzwa.
Ukwehluleka kwesibili kuyindleko. Amasistimu e-laser okwamanje avunyelwe i-FDA ukuhlinzekwa kwe-cataract kubiza udokotela ohlinzayo kuphi kusuka ku-$ 400,000 kuya ku-$ 500,000 ukuthenga. Abahlengikazi ngezinye izikhathi banzima nomqondo wokuthi nakuba ubuchwepheshe obusha bungcono kangcono kwezinye izinto, ukwanda okukhulu kwezindleko kungase kungabi nzuzo kumguli noma ohlelweni lokunakekelwa kwezempilo ngokujwayelekile. Akungabazeki ukuthi i-Medicare kanye nezinkampani zomshuwalense zizohlanganisa le nqubo.
Okwesithathu, nakuba isinyathelo ngasinye senqubo ye-laser cishe iphephile, yonke inqubo ngokwayo ithatha isikhathi eside, ikhulise ingozi yezinkinga noma ukutheleleka. Ezingweni zobuchwepheshe be-cataract surgeon, ukuhlinzwa kwendabuko ye-cataract kungathatha cishe imizuzu engu-10-15 yokuhlinzekwa kwangempela, ngokuhlinza laser kuthatha isikhathi eside kakhulu.
Imithombo
UCunningham, uDerek noWalter Whitely. "I-Femto-Phaco: Ingabe sibona ukuguqulwa okulandelayo ekuhlinzekeni kwe-cataract?" Ucwaningo lwe-Optometric, Meyi 2012.
UGuttman, uCheryl. "I-FDA Ikhombisa ukushayelwa kwe-FS femtosecond laser yokucubungula kwe-arcuate". I-Ophthalmology Times, Meyi 2012.