Ngaphambilini, abantu abane- astigmatism kwakudingeka bahlenge amehlo abo kuphela ngosizo lwezibuko. Izentuthuko ezisha kakhulu ze-ophthalmology manje zivumela lokhu ukuthi kwenziwe nge-lens ezithambile noma ezinzima zokuxhumana. Isizukulwane esisha sezesekeli ezinjalo sikwazi ukulungisa isifo se-eye kuze kufike ku-4 diopters.
Abesifazane abane-astigmatism bavame ukubheka ama-lensi okuthinta amabala aluhlaza ukuze bangaboni kahle kuphela, kodwa futhi bazibonele ngendlela entsha, isibonelo, ukufaka lezi zimo ezilungiselelwe kwiseshini lesithombe esisodwa noma iqembu.
Ingabe zikhona ama-lens okwenziwe ngambala?
Naphezu kweqiniso lokuthi izindlela ezichazwe ngokulungiswa kombono zinzima kakhulu ukuthola, zikhona. Yiqiniso, ama-lens astigmatic lambala aklanyelwe ngendlela yokuthi umthunzi we-iris uguquke kuphela.
Kumele kuqashelwe ukuthi ngisho nosuku olulodwa lwe-toric contact lens ezinemibala ehlukene alinakushintsha kakhulu umbala wemvelo wamehlo. Bangezela ukujula nokugcwala kwayo, gcizelela umthunzi wemvelo.
Ngumuphi umbala obala obala oxhumana naye ongayithola?
Ophthalmologists bayelulekwa ukuba bathenge enye yezinto ezintathu zamadivayisi abhekwayo:
- I-Bausch + Lomb Pure Vision Toric. Lawa ma-lens agqoke umbala ohlaza okwesibhakabhaka, ngakho-ke kunconywa ukugqoka amehlo ahlaza okwesibhakabhaka nokukhanya okwesibhakabhaka. Zenzelwe izinsuku ezingu-30 zamasokisi, zine-oksijeni ephezulu yokuphefumula kanye nomswakama, ivikela amehlo kusukela omile ngamahora angu-12.
- I-MAXVUE VISION ColourVUE Toric Gorgeous Grey. Lawa lens anika amehlo umuthi omnyama noma umbala ogqamile obomvu, ubheke kakhulu kubafazi abanamehlo amnyama. Ngaphezu kokunikeza umbala we-iris nokulungisa i-astigmatism, umkhiqizo we-ColourVUE ungowomkhakha ochungechunge lwe-Big Eyes - ubonisa kancane kancane amehlo, ngoba unamaphesenti amakhulu kunalensi evamile.
- I-CIBA Vision Air Optix Ye-Astigmatism. Esinye isesekeli esinemibala ekhanyayo eluhlaza okwesibhakabhaka. Ama-lens anjalo ahloselwe kuphela ukugqoka usuku, ngakho-ke anesisindo esingaphansi somswakama, uma kuqhathaniswa nemikhiqizo emibili eyedlule yokulungiswa kwe-astigmatism.
Wonke amagama achazwe ngamalensi ayenziwe ngezinto ezilula (i- silicone-hydrogel ), kodwa ngenxa yobuchwepheshe obuyingqayizivele bokuzinza nokulinganisa eceleni, babambelela ngokuphelele futhi bangalahlekelwa ilungiselelo elifanele kwi-cornea iso.