Indlela Ugqirha Wakho Efumana Ngayo Imithi Yakho
Ukuba unxibe iiglasi, mhlawumbi uye wagxeka amehlo akho. Ukuqhaqha yinkqubo iliso lakho lokunakekelwa kweziliso lisetyenziselwa ukulinganisa impazamo yakho yokukhumbula okanye ingxaki yombono. Ibhekisela kwiinkalo zeemvavanyo zamehlo ezisetyenziselwa ulondolozo lwamehlo ukulinganisa umyalelo wakho ongcono weeklasi okanye ii-lens.
Liyiphi Iphutha lokuKhusela?
Iphutha lokuzikhumbuza liyi-deftical defect engavumelekanga ukukhanya ukuba ifakwe kugxininiso olubukhali kwi-retina yakho, okubangelwa kumbono ophazamisekileyo okanye ophosakeleyo.
Iphutha lokusasazeka lwenzeka ngenxa yokuba isimo sesohlo sakho asiyikuguqula ngokuchanekileyo, kubangele umfanekiso obolileyo. Imimiselo yesiphambeko sokukhupha i- myopia , i-hyperopia, kunye ne-astigmatism. Iphutha lokuzikhumbuza linokuveza iimpawu ezifana nombono ongezantsi, ukulukhuni ukufunda okanye ukujonga ngokusondeleyo, nokuwela kwamehlo kubantwana (isotropia).
Uhlolisiso lweehlo olunzulu luquka ntoni?
Ngethuba loviwo olubanzi lweziliso , ugqirha wakho usebenzisa ukutshintshela ukujonga ukuba kufuneka kangakanani amandla ukuze ubeke amehlo akho kwisimo esiqhelekileyo, embonweni ogqamile. Ugqirha uya kugqiba isigqibo sokuba ngaba iiglasi, ii-lens zoqhagamshelwano okanye ukulungiswa kombono we- laser ziza kukunika amehlo ocacileyo. Ukugxeka kunamalungu amabini, injongo kunye nokuzimela.
Iinjongo zokurhoxiswa
Ukukhutshwa komnqophiso kukufunyanwa ngaphandle kokufumana nayiphi na ingxelo evela kwisigulane. Ukutshintshwa kwenjongo kufumaneka ngokusebenzisa izixhobo ezahlukeneyo.
Ugqirha wakho uya kusebenzisa i-retinoscope okanye u-refractor auto ukulinganisa ukukhishwa kwakho ngaphandle kokucela iimpendulo ezizimeleyo kuwe.
- I-Retinoscopy: Enye yezixhobo eziqhelekileyo ezisetyenziselwa ukukhutshwa komnqophiso yi- retinoscope . Ukusebenzisa i-retinoscope, ugqirha wakho uya kuqhuba i-streak yokukhanya kumfundi wakho. Uchungechunge lwama-lens lukhanya phambi kwamehlo akho. Ngokujonga i-retinoscope, ugqirha wakho unokufundela ukukhanya komfundi. Ngokusekelwe kwintsebenzo kunye nokuqhelaniswa kwezi ngcamango ze-retinal, isimo se-refractive yelihlo lakho silinganiswa.
- Ukuqhawula ngokuzenzekelayo : Esinye isixhobo esisetyenziselwa ukukhutshwa komnqophiso ngumququzeleli wezithuthi. I-refractor ye-auto yinto ekhompyutheni ekhanyisa iliso lakho. Ukukhanya kuhamba ngaphesheya kweso lakho kwinqanaba elisezantsi liso lakho, uze ubuyele kwakhona. Ingcaciso ibuyisela kwisixhobo, inika umlinganiselo wenjongo yesiphosiso sakho sokuphika. Abazitholi ngokuzenzekelayo bazikhawuleza kwaye kulula ukuyisebenzisa kwaye abadingi impendulo kuwe.
Ukuchithwa kwangaphakathi
Ukukhutshwa ngokuzimela kukufuna impendulo kwisigulane. Ugqirha wakho angasebenzisa i- phoropter ukulinganisa impazamo yakho yokuziphendulela ngokuzenzekelayo ukucacisa umyalelo wakho weglasi . Ngokuqhelekileyo, uya kuhlala ngasemva kwe-phoropter kwaye ujonge ityati yamehlo . Ugqirha wakho uya kutshintsha iilensi kunye nezinye izicwangciso xa ecela impendulo kwiisethingi ezinikeza umbono obonakalayo.
Cycloplegic Refraction
Ngamanye amaxesha oogqirha bezilwanyana banqwenela ukufumana ukukhishwa kwe-cycloplegic , ngakumbi xa bezama ukufumana ukuchithwa okuchanekileyo kubantwana abancinci abangahle bafune ukulungiswa kwamehlo abo ngokuguqula amehlo abo. I-cycloplegic isohlwayo kwamehlo lisetyenziselwa iso ukuze likhubaze okwesikhashana umsila we-ciliary welihlo.
Kukho iintlobo ezintathu eziphambili zezigulane apho oogqirha bathanda ukwenza i-cycloplegic refraction:
- Abantwana: Abantwana bathambekele ekugxinineni kwinqanaba elifutshane kwaye abakwazi ukulawula ukugxila xa becelwa ukuba babuke kumgama ode ngexesha loviwo. Ugqirha unokuqiniseka ukuba bayalinganisa isigqirha esipheleleyo xa benza i-cycloplegic refraction.
- Abantu abadala bafumana i-presbyopia: I- Presbyopia yimeko echaphazela amandla okugxila kwizinto ezikufuphi, ngokuqhelekileyo zenzeka kubantu abangaphezu kweminyaka engama-40. Kodwa-ke, abanye abantu banamava okuphambi kokusindiswa apho bengakwazi ukugxila ngokukhawuleza ukususela kude ngasemva, kwaye kunokubangela iimpawu zokuhamba ngexesha lokuhamba ebusuku. Indlela efanelekileyo yokuchonga ingxaki iqhutywe nge-cycloplegic refraction.
- I-LASIK: Abavotelwe ukulungiswa kombono we-laser okanye olunye utyando lwe-refracction kufuneka baqhube i-cycloplegic refraction ukwenzela ukuba ugqirha uyazi ngokuthe ngqo ukuba ingxaki yembono ifuna ukulungiswa njani nge-laser.
ILizwi
Iimwebhsayithi ezininzi zibonelela ngokusasaza kwi-intanethi ukuba amabango agqibe iimfuno zakho zeglasi. Iinkampani zithi zibonelele ngokukhawuleza kwaye zilula iimvavanyo zamehlo eziza kubangela inkcazelo epheleleyo nechanekileyo yemfuno yakho yombono. Nangona le mvavanyo ye-intanethi ingakhokelela kwisigxina esilungileyo, ukukhishwa kwe-intanethi ayikwazi ukuthatha indawo yophicotho lwezempilo lwesohlo.
Umthombo:
> Umbutho wase-American Optometric, i-Eye epheleleyo kunye neMboniselo yoVavanyo, ngo-2017.