Astigmatism idambudziko rinoratidzika rinokonzera zvinhu kuti zvionekwe zvisiri izvo uye zvisinganzwisisiki. Inowanzotarisa kumativi ose uye pedyo nekuona. Icho chinonyanya kuonekwa chinetso uye chinogona kuitika nekuona zviri mberi uye kutarisa mberi .
Zviratidzo nezviratidzo
Astigmatism inowanzoita kuti chiratidzo chive chinoputika kure uye pedyo. Varwere vane astigmatism vanowanzonzwa vakaneta mushure mokuverenga uye vanoona kuti tsamba nemashoko zvinoita sezviri kuiswa.
Kushongedza uye kugadzirisa musoro kunoratidzika kunge kunovandudza kupararira kwemaonero kunokonzerwa neastigmatism.
Zvinokonzera
Astigmatism inokonzerwa ne- cornea ine chimiro chemafuro, sebhola, pane nzvimbo yakafanana, sebhasikiti.
A cornea ine astigmatism ine mazhe maviri, rimwe rheta rakadzika uye rimwe rakanyanyisa. Chiedza zvino chinotarisa pamapandi maviri panzvimbo peimwe. Imwe pfungwa yekutarisa inogona kuva pamberi pe retina uye imwe shure.
Izvi zvinokonzera mifananidzo kuti ione kusvibiswa muwedzere kuoneka kujeka. Astigmatism inogonawo kukonzerwa nechirwere chekriststalline chisinganzwisisiki. Ichi chiitiko chinonzi " lenticular astigmatism ."
Kuziva
Astigmatism inoratidzwa ne keratometer inobatsira, chiridzwa chinoshandiswa kuyera kupera kwekonoa. Keratometer inowanzoshandiswa mukuongorora kweziso.
Kuongorora kunogonawo kuitwa nekushandisa korneal topographer. A corneal topographer chiridzwa chinopa mapepa-coded mapa, akafanana nemapu ekunyorwa kwezvikomo.
Nzvimbo dzakaderera dzinoratidzwa munzvimbo dzakatsvuka uye dzakasvibira mubhuruu.
Izvo aberrometer inotarisana nayo ichapa zvakare chiremba weziso zvakanyatsotsanangurwa pamusoro peastigmatism.
Mishonga
Astigmatism inogona kugadziriswa negirazi, kuonana lenzi kana kuvhiyiwa.
- Magirazi: Magirazi anoshanda zvakanaka nevarwere vane astigmatism. Varwere vane huwandu hweastigmatism vanofanira kunge vane magirazi avo zvakanyatsogadziriswa kumeso avo.
- Shandisa lenzi: Kukurukurirana lensiti inogadzirisa astigmatism inonzi toric contact lenses . Varwere vane astigmatism yakawandisa vane kubudirira kukuru nemhepo yakasimba inogadziriswa yeriniti.
- Kuvhiya: Kuona zviratidzo zvinogadziriswa uye chirongwa chinonzi incision, chinonzi astigmatic keratotomy, chinogonawo kugadzirisa astigmatism.
LASIK Surgery uye Astigmatism
Kana uine astigmatism, usafunga kuti haukwanise kuva nekurowa kwemaziso eASASIK. Icho chiitiko kune vazhinji.
Kuvhiyiwa kweLASIK kunoshandiswa kugadzirisa zvikanganiso zvekufuratira zvakadai seastigmatism, myopia , uye hyperopia . Vanhu vazhinji vane astigmatism vakawana kurairwa kwemaziso kweLASIK kuti ive nzira yakachengeteka uye inobudirira yekururamisa maonero.
Nokuda kwechimwe chikonzero, kune "kushorwa" pamusoro peastigmatism kana zvichiuya kuLASIK. Zvisinei, vazhinji varwere vane astigmatism vanogona kuita chirwere chemalasi refractive. Zvose izvi zvinobva pakuziva kuti ndiyo yaiva yekutanga dambudziko rekuona rakagamuchirwa neRDA yeLASIK.
LASIK Surgery Plus Inotyisa Keratectomy
Kunyange zvazvo vanhu vazhinji vane astigmatism vanogona kuva neLASIK, vamwe vanhu vane astigmatism yakawandisa kuti laser iruramise. Ivo, zvisinei, dzimwe nguva vanogona kuva nedzimwe nzira inonzi "astigmatic keratectomy" (AK) kugadzirisa chero astigmatism yakasara.