Oko Ugqirha wakho ufuna
Ukuvavanya ukunyakaza kwamehlo akho kwinqanaba lokuqala lokuhlolwa kwelanga . Olu vavanyo lubizwa ngokubhekiselele ekuqhutyweni kokunyuka kwe-extraocular okanye ukuvavanywa kobunzima.
Uvavanyo lwenziwa njani?
Ugqirha wakho weziliso okanye ochwephezi uza kukucela ukuba uhlale ngokuchanekileyo ngelixa ulungisa amehlo akho kwinto ephambi kwakho. Into yokulungiswa ngokuqhelekileyo ipeni, ukulungiswa kokukhanya okanye umfanekiso omncinci obanjwe phakathi kwe-12 no-16 intshi phambi kwakho.
Into iya kutshintshwa phezulu kwaye iphantsi kwelinye icala isebenzisa iphethini "ye-H". Uyakucelwa ukuba ulandele into ngamehlo akho ngelixa ugcina intloko yakho isele.
Ingaba Ugqirha Wakho Ukhangelelani?
Ugqirha wakho ufuna iimingcele okanye ukunyakaza okungavamile kwamehlo akho angayichaza enye okanye ngaphezulu kweengxaki ezilandelayo:
- I-Nystagmus: Ukugungqungqungquthela kwesigxina okanye ukugubungela kwamehlo. I-Nystagmus ingaba yintsholongwane okanye ijikeleze okanye ihambe kwindawo ehamba ngayo. Kwimeko ezininzi i-Nystagmus ikhona ukusuka ekuzalweni kwaye ingaba yinxalenye yamanye ama-syndrome. I-Nystagmus inokuthi ihlale ikhona okanye ikhutshwe ngokunyuka kwamehlo athile. Ukuba i-nystagmus inamandla ngokwaneleyo, ubuqhetseba obubonakalayo buya kubandezeleka njengoko amehlo ehlala ehamba phambili nangaphandle. Amaxesha amaninzi, abantu abane-nystagmus banamathele entloko okanye amehlo kwinqanaba elithile elinciphisa inani le-nystagmus. Oku kubizwa ngokuba yi-null point.
- I-Strabismus: Enye okanye zombini amehlo aphendukile, angaphandle, aphezulu okanye aphantsi. I-Strabismus yimeko esoloko ibhekiselwa kuyo njengomntu owela amehlo okanye ukuba "amehlo enkantso" apho iliso elinye lingaphuma ngaphandle. I-Strabismus ingaba yintlungu (izalwe) okanye ifunyenwe (yaphuhliswa kamva ebomini.) I-Strabismus inokubangela iingxaki ngokuqonda okuqhelekileyo kunye nokubeka umngcipheko wokuhlakulela "iso liso" okanye i-amblyopia. U-Amblyopia uyenzeka xa useneminyaka emncinci kakhulu, iliso alikhuthazi okanye lisetyenziswe kakuhle. Umbono wokunciphisa ngonaphakade unokwenzeka.
- I-Overshoot okanye i-undershoot yezilwanyana ezithile zamehlo: Le miqondiso ingabhekisela kwiimeko ezizuzwe njengelifa okanye i-syndromes, njenge-syane de retraction syndrome.
- Izithintelo zamashishini: Izithintelo zamashishini zifumaneka ngokuxhatshazwa kabuhlungu, njengokubetha kwiso. Amathambo akwenza umgangatho we-orbit ayancipha. Ingozi ephazamisayo kuloo ndawo ingaqhubelela la mathambo, okwenza i-muscle yehlohlo ifakwe okanye ifakwe kwisithambo.
- Umbono ombini: Ukuhlolwa kweesilumko zamehlo kunokunceda ugqirha wakho aqonde imbangela yemibono emibini, okanye i-diplopia. Umbono ombini uhlala uthathwa ngokungathí sina njengoko unokuba ngumqondiso weengxaki zeengxaki kunye nakwezinye iimeko kungabonakalisa ingxaki enkulu yezempilo. Ingqwalaselo yonyango kufuneka ifunwe kwiimeko zokujonga ngokukhawuleza.
Umthombo:
Eskridge, J. Boyd, uJohn Amos noJimmy D. Bartlett. Iinkqubo zeCliniki kwi-Optometry. I-JB Lippincott Inkampani, ngo-1991.