Umbuzo: Ngaba ndingakwazi ukuba ne-astigmatism kwimiba yomibini?
Impendulo: I- Astigmatism phantse kwenzeka rhoqo emehlweni omabini. Le meko inokuvela kweso linye kuphela kodwa ngokuqhelekileyo yiphumo lokulimala.
Yintoni i-Astigmatism?
I-Astigmatism lizwi eliqingqiweyo elisetyenziselwa ukuchaza ukungasebenzi kwemiboniso yendlela. I-Astigmatism yintlupheko yamehlo enokubangela ukuba ukukhanya kugxininiswe kwiingongoma ezimbini endaweni enye.
Le meko ingaba ngumphumo we-misshapen cornea. I-astigmatism ibangela abantu ukuba babe nombono ophazamisayo, otyunyiweyo okanye ophosakeleyo. Ingxaki yombono apho iliso lijolise ekukhanyeni kwi- retina kumanqaku amabini esikhundleni seyodwa. Abantu abane-astigmatism ngamanye amaxesha bayakhalaza ngombono ophazamisekileyo, ophosakeleyo okanye otyunyiweyo. I-Astigmatism isoloko ivela rhoqo kwimbini kwaye idla ngokulinganayo phakathi kwezi zibini. I-Astigmatism ngexabiso elikhulu lidla ngokuba nefa. I-Astigmatism inokubonakala kwiso linye kodwa oku kudla ngokuba yingozi ngenxa yokulimala.
Yintoni Ebangelwa I-Astigmatism?
Ngezinye izikhathi i-Astigmatism ibangelwa yi- cornea engafaniyo, i-dome ecacileyo njengokwakheka kwinqanaba eliphambili kweso. I-cornea inokuba neendawo ezinqabileyo okanye ezigqithiseleyo kunabanye, okubangelwa yimibono ephosakeleyo. I- crystalline lens ngaphakathi kweso liyakuncitshiswa kancane, kubangele i-astigmatism. Ukongezelela, i-astigmatism ingabangelwa yijwabu leenqwelomoya okanye izicubu ezinzima ezichukumisa iso.
I-Astigmatism iyinto eqhelekileyo kwaye isoloko iphathwa okanye ilungiswe ngokugqoka iiglasi okanye i-lens. Ukuhlinzwa okwenziwa ngokutsha njengokwenza i- LASIK okanye i-astigmatic keratectomy kunokuba luncedo ekuphatheni i-astigmatism.
Oko Kufuneka Ukwazi
I-Astigmatism, ukuba ingashiywanga, ingabangela iingxaki zembono eziphazamisayo. Ukuba unayo i-astigmatism, unokufumana iimpawu zokukuphawula okanye ugqirha wakho.
Ezinye iimpawu ze-astigmatism zingenzeka zodwa, kodwa ezinye zeempawu zingenzeka ndawonye ngexesha elinye. Ukuba uyaphawula nayiphi na impawu ezilandelayo, yenza i-aphoyintimenti kunye neengcali zonyango lwakho kwangoko kunokwenzeka. (Ngokuqhelekileyo kunconywa ukuba ube nokuhlolwa okujongwa rhoqo kwenyaka kanye ngonyaka ukwenzela ukuqinisekiswa kombono ongcono kunye nokukhusela okanye ukufumanisa izifo zeso.)
I-Blurry okanye iMboniselo ePhambukileyo
Ukukhathala kwamehlo
Eyestrain
Intloko
Ukungakwazi ukufunda okuncinci
Ukuqhathaniswa rhoqo kwamehlo
Ukuchonga nokuPhatha i-Astigmatism
Ugqirha lakho kwamehlo lingasifumana i-astigmatism ngokuqhuba iimvavanyo ezahlukeneyo. Ezinye zeemvavanyo ezisetyenziselwa ukuxilonga i-astigmatism ziquka uvavanyo lweempawu ezilula, uvavanyo lokukhanyisa ukukhanya, ukulinganisa i-cornea, okanye ukubeka imephu ephezulu kweso.
I-Astigmatism iyalungiswa ngokugxininisa imisebe yokukhanya kwinqwelo enye. Oku kungenziwa ngokumisela iiglasi zamehlo okanye oonxibelelwano, okanye ukwenza i-astigmatic keratotomy.
Imithombo:
I-American Optometric Association, i-Astigmatism. AOA.com, 2006-08.
Eskridge, J Boyd, uAmosi, uJohn noBartlett, uJimmy D. Iinkqubo zeCliniki kwi-Optometry. I-Copyright 1991, i-JB Lippincott Inkampani.