Ngati muli ndi astigmatism , mukhoza kukhala opaleshoni ya LASIK . LASIK ndi mtundu wa opaleshoni yokhazikika yomwe imagwiritsidwa ntchito pokonza zolakwika za refractive monga astigmatism, myopia , ndi hyperopia . Ngati muli ndi astigmatism, masomphenya anu akhoza kukhala osokonezeka patali komanso pafupi. Mwinamwake mutatopa mutatha kuwerenga ndikupeza kuti makalata ndi mawu akuwoneka ngati akutsitsidwa.
Anthu ambiri omwe ali ndi astigmatism apeza opaleshoni ya diso la LASIK kuti ikhale njira yabwino komanso yothandiza yolangizira masomphenya.
Pa chifukwa china, pali "manyazi" okhudza astigmatism pa LASIK. Komabe, odwala ambiri omwe ali ndi astigmatism akhoza kuchitidwa opaleshoni ya laser. Zambiri mwa izi zimachokera kuwona kuti ndilo vuto loyamba la masomphenya lovomerezedwa ndi FDA ku LASIK.
Kodi Astigmatism Ndi Chiyani?
Nthawi zambiri astigmatism sichimvetsetsedwa. Anthu ali ndi astigmatism, osati astigmatism. Ndi vuto la masomphenya kawirikawiri limayambitsidwa ndi cornea, zomveka bwino ngati mbali ya diso, kukhala ndi mawonekedwe ofanana ndi mpira, osati mpira. Choncho, pali mphamvu zambiri kapena zowonjezereka mu meridian imodzi, mwachitsanzo pa madigiri 90, kusiyana ndi momwe zimakhalira meridian pa madigiri 180. Ngakhale kuti kuchuluka kwa astigmatism nthawi zambiri kumachititsa kuti astigmatism, munthu akhoza kukhala ndi astigmatism.
The cornea ikhoza kukhala yozungulira kapena yozungulira, koma disolo mkati mwa diso liri ndi mphamvu zowonongeka.
Mmene Astigmatism Imayesedwa
Astigmatism imayesedwa ndi wojambula zithunzi. Wojambula zithunzi ndi makina amene amapanga magetsi pamtunda wa cornea. Deta yomwe imabwereranso kumbuyo imasonyeza kuphulika pa cornea yonse yomwe imagwiritsidwa ntchito kuwerengera kuchuluka kwa chiwerengero ndi malangizo a astigmatism.
Kuchuluka kwa mphamvu yomwe ikufunika kuti yothetse astigmatism imayesedwa ndi pulopta, chida chomwe dokotala akufunsa, "Ndi yani yabwino, imodzi kapena ziwiri?" Madokotala amagwiritsanso ntchito aberrometer kutsogolo kuti awone momwe astigmatism imakhudzira ubwino wa masomphenya anu.
Njira Zina Zowonetsera Astigmatism
Ngakhale anthu ambiri omwe ali ndi astigmatism angathe kukhala ndi LASIK, anthu ena ali ndi astigmatism yochuluka kwambiri kuti laser likonze. Komabe, nthawi zina, anthu akhoza kukhala ndi njira yowonjezera yotchedwa astigmatic keratectomy (AK) kuti akonze zowonongeka. Kachilombo ka khungu kameneka kakugwiritsa ntchito njira yotchuka kwambiri m'ma 1980 yotchedwa RK, kapena radial keratectomy. Mu njira ya AK, opaleshoni yopanga opaleshoni yodziwa bwino amapanga zochepa zochepa m'malo ena ofunikira mu cornea kupanga cornea yowonjezereka. Izi nthawi zina zimagwirizanitsidwa ndi njira ina yosakanikirana yotchedwa LRI, kapena incumbal relaxation incision. LRI imapangidwa m'mphepete mwa mapiko a cornea omwe amachititsa pang'ono kugwedeza kumbali imeneyo.
Kufufuza bwinobwino masomphenya anu kudzafunikanso kuti muone ngati ndinu woyenera ku LASIK. Mtundu ndi kuuma kwa astigmatism yanu kudzathandiza ophthalmologist wanu kusankha ngati opaleshoni ya diso la LASIK idzakhala yopindulitsa kwa inu.
Anthu ena omwe ali ndi astigmatism sayenera kukhala ndi LASIK, monga makhalidwe ena ndi maonekedwe a maso awo amawalepheretsa kuti apambane.
Chitsime:
Azar, Dimitri T. ndi Douglas D. Koch. "LASIK: Zofunika, Njira Zopangira Opaleshoni, Ndiponso Zovuta." Marcel Dekker, Inc. 2003.