Inkcazo: I- Phacoemulsification iyona ndlela eqhelekileyo yokuhlinzwa yenkqubo ye-cataract. I-Cataract yokuhlinzwa isetyenziselwa ukubuyisela umbono kumagulane obona umbono wabo uguqukile kwi- cataract , i-clouding ye- lens ye- lens .
I-lens itholakala emva kwe-iris. Inoxanduva lokugxila ekukhanyeni kwi-retina, kunye nokuvelisa imifanekiso ecacileyo, ebukhali. I-lens inekhono lokutshintsha isimo, eyaziwa ngokuthi indawo yokuhlala.
Njengoko amehlo agqitha, kunjalo, i-lens iyanzima kwaye ilahlekelwe yikhono layo lokuhlala. I-lens yonke iqulethwe ngaphakathi kwe-capsule lens. Njengoko ubudala bamehlo, iinkqubo ezixhamlayo kunye neeseli ezifile ziqokelela kwi-capsule lens, okwenza i-lens ibe yinto efutshane. Ukukhanya okuqhelekileyo kugxininiswe yile lense iyahlakazeka ngeenxa zonke ngenxa yokukhanya, umbono onjalo awusayi kucace kwaye uphawule.
Kuqhutyelwa njani i-phacoemulsification?
Ngexesha le-phacoemulsification, udokotela ohlinzayo wenza i-incision encane ekupheleni kwe- cornea aze avelise ukuvula kwimbumba ejikeleze i-lens. Inkqubo encinci ye-ultrasonic isingeniswa, idibanise i-lens efubeni ibe ngamaqhezu amancinci. Isixhobo sishukumisa kwijubane le-ultrasonic ukucoca kwaye phantse uqhekeza impahla ye-lens zibe ziincinci ezincinci. Ezi ziqhekeza zilandelwa kwi-capsule ngokufakela kwi-tip yeprobe.
Emva kokuba i-particle lens isuswe, i-lens intraocular implant, ebizwa ngokuba yi-IOL, ifakwe kwaye ibekwe kwi-lens capsule yendalo.
Ingeniswa ngento encinci ye-corneal incision nge-tube engenayo. Emva kokuba i-lensi iqhutywe, ivela kwaye ibeke endaweni.
I-Phacoemulsification iqhutyelwa kwipropati yokuhlinzwa yonyango kwaye ngokuqhelekileyo ayifuni ukuhlala esibhedlele. Inkqubo yokuhlinzwa yonyango iyenziwa phantsi kwe-anesthesia yendawo (i-anesthetic injected ngelihlo) okanye i-anesthhesia yama-topical (amaconsi anqamlekileyo angeniswe kwiso).
Iyiphi ixesha lokubuyisela i-phacoemulsification?
Isibhengezo esenziwe kwi-cornea sidinga ukuba sibe nezicathulo kwaye sizenzele uphawu. Kwiintsuku ezimbalwa, ukunyanzelwa kokuphilisa kuphelisa ngokupheleleyo. Amaconsi asetyenziswa emva kokumisa amiselwe kwaye ngokuqhelekileyo aquka amayeza omzimba, i-steroids, kunye neyeza ezingekho-steroidal ezichasayo. La matonsi anciphisa ukuvuvukala nokukhusela intsholongwane. I-antibiotic ivame ukuyeka kwiintsuku ezingama-7-10. I-steroid kunye ne-non-steroidal anti-inflammatory ifakwe kwiiveki ezi-3 ukuya kwe-6 kuxhomekeke kutyando. Uninzi lwezigulane lunokuphucuka kombono ngokukhawuleza kwaye umboniso ukhula ngokukhawuleza ngaphezu kweeveki ezi-4 ukuya ku-5.
I-Phacoemulsification yatshintshela utyando lwe-cataract. Ngaphambi kokuba kuqhutywe i-phacoemulsification, oogqirha babeza kususa i-lens kunye ne-capsule. Oku kwenza kube nzima ukufaka i-lens intraocular. I-lens yeliso inomdla omkhulu wokugxilwa kwiso. Ngenxa yoko, ukuba ususa i-cataract, eyilente, isigulane sishiywe kakhulu "kunye," kunye nemithi ephezulu. Yingakho, iminyaka emininzi edlulileyo, xa izigulane zinezigulane zisuswe, zivame ukugqoka "iziglasi ze-cataract." Iiglasi zeCataract zazinzima, zinzima kwaye zaphakamisa amehlo.
Kungekudala ngaphambi kokuba oogqirha baqaphele ukuba bafuna inkqubo engcono ekufakela ukufakelwa kwe-lens ukuze izigulane zingenakukugqoka ezinjengezikhwepha ezinzima, ezinzima. Izigulane zavuya kuba ne-cataract isuswe, kodwa akuyivuyo gqitha ukuba kufuneka babe neengubo ezinzima, ezinzima.
Ngubani owasungula inkqubo ye-phacoemulsification?
Udokotela uCharles D. Kelman, ugqirha ogqirha, kunye nodokotela ogqirha eNew York, ubizwa ngokuba uphuhliso lwenkqubo yokuqala yokupakisha. ngasekupheleni kweminyaka yama-1960 kwaye ngo-1970 le nkqubo yafunyanwa ngabagqirha. UDkt. Kelman wasebenza ngeengcamango ezahlukeneyo kunye noyilo kodwa wafumana ingcamango yokuqhaqhayisa emva kokuhlala esihlalweni samazinyo ukuze ahlambulule amazinyo akhe ngokucoca i-ultrasonic cleaner.
Okuthakazelisayo, ezinye zeengcamango zokuqala ebezibonisa kwakhona kwi-day cataract operation.
Kwaziwa nangokuthi : phaco