Kuze kube kutshanje, iingxaki zombono zixazululwa kuphela ngoncedo lweglasi okanye iilensi eziluhlaza okanye ngeendlela zokugqirha. Kodwa namhlanje kukho enye indlela engcono kakhulu kule ndlela - i-orthokeratology.
Yintoni i-orthokeratology?
I-Orthokeratology (i-OK-therapy) yindlela entsha yokulungiswa kombono ngoncedo lwama- lens agugule ubusuku. Le ndlela isebenziselwa iimpazamo ezinjalo zokungabonakali njengobungqina obukufutshane kunye ne-astigmatism.
Umgaqo we-orthokeratology usekufutshane nokulungiswa kwe-laser, kuphela umahluko ukuba umphumo uhlala ixesha elide (ukuya kwiiyure ezingama-24). Ngexesha lokulala, iilensi ezizodwa zobusuku obunzima zinika ingcinezelo encinci yokuphucula nokunika i-cornea indlela efanelekileyo (i-curvature), egcina usuku, ekuvumela ukuba ube nombono ogqityileyo.
Kule meko, ngokuchasene neengcamango eziphosakeleyo, akukho nxu lumene ne-lens ne-epithelium ye-cornea (phakathi kwabo kuhlala kuluhlu lwezinyembezi). Ngoko ke, i-cornea ayilonakalwanga (ngaphandle kokuba imigaqo yokusetyenziswa kweelensi iyagcinwa).
Ukongezelela kokubuyiselwa kombono wesikhashana, iilensi zentsuku ziyakumisa ukuphuhliswa kwe-myopia ebuntwaneni nasebuntwaneni, eyona ndlela yodwa yokuza kuthi.
Izibonakaliso zokusetyenziswa kweemali zelanga zokuphucula umbono:
- ukujonga ngokusondeleyo ukusuka kwi-diopters - 0,5 ukuya kwe-6;
- i-astigmatism ukuya ku- 1.75 diopters;
- ukungakwazi ukusebenzisa iiglasi okanye iilensi zokunxibelelana emini (umzekelo, ngenxa yeemeko zobugcisa - uthuli, umswakama ophezulu, utshintsho lokushisa);
- ukunganyamezelani kwamalensi e-soft-contact (ukusabela okuthe tye, isifo sengqondo esomeleleyo, ukunciphisa ukuvezwa kwe-corneal, njl);
- ukukwazi ukulungiswa kombono we-laser;
- i-myopia yokuqhubekayo yabantwana.
Ukusetyenziswa kweemali zesikhokelo somsebenzi wokulungiswa kombono kungenasiphelo kwaye kuvunyelwe izigulane ezineminyaka engama-6 ubudala.
Ungasebenzisa njani iilensi zamnyama?
Iilensi zamnyama ezibuyisela umbono, zigqoke imizuzu 10-15 ngaphambi kobusuku ulale ngepipette ekhethekileyo. Ixesha lokuchasisa akufanele libe li-8 leeyure, ngaphandle koko umphumo uya kuba nzima. Emva kokulala, iilensi ziyakususwa kwaye zifakwe kwisibongo esikhethekileyo nesisombululo.
Njengazo zonke iilensi, iilensi zebusuku zidinga ukuthobela ngokungqongqo kwimimiselo yokugcina ucoceko.
Ubuncedo kunye nokungahambi kakuhle kweelensi zamnyama
Mhlawumbi izithintelo zodwa zale lensi zingabizwa ngokuba yimpembelelo yesikhashana kunye neendleko ezinkulu. Ngaphandle koko, yindlela enhle kulabo abangenako okanye abafuni ukugqoka iilazi okanye iilensi zamasango ngesizathu esithile. Ngelo xesha, iilensi zelanga zibonelela ngokucacileyo ngaphandle kokuhlinzwa, i-gymnastics yezokwelapha, njl.
Kubalulekile ukuba uqaphele ukuba ekuqaleni ukugqoka i-lens ukulungisa amehlo, kukho ukungahambi kakuhle komzimba wangaphandle kwiso. Nangona kunjalo, ngexesha lokulala, akukho nto ihamba ngayo, ngoko i-lens ayiveki. Ukongezelela, emva kweentsuku ezimbalwa iliso liyashintsha, kwaye ukuphazamiseka kuyaphela nangona amehlo evulekile.
Iilensi zesebusuku zenziwe ngezinto eziphathekayo ze-oksijeni, ezandisa ucoceko lwabo. Ukongezelela, kubonga ebusuku, i-cornea iphefumula ngemini (enzima kakhulu xa ugqoke iilensi zamalanga), ngoko akukho mngcipheko we-oxygen
Iilensi zamasuku ziyanciphisa ukukhawuleka komzimba ezihambisana kunye neziglasi kunye neenlense zokudibanisa, kunye neengxaki zengqondo (kunye nabantwana).
Ungakhetha njani iilensi zamnyama?
Iilensi zamnyama zokulungiswa kombono azithengiswa kwii-optics eziqhelekileyo, kodwa kuphela kwiiklinikhi ze-ophthalmological.
Ukukhethwa kwamalensi kwenziwa ngugqirha ngokusekelwe kwiziphumo zokuxilongwa, kwaye uvavanyo lweemvavanyo luyenziwa ukuqinisekisa ukuchaneka kokukhetha.