Mtundu wa astigmatism, umene myopia umakhalapo, umatchedwa myopic. Matendawa amapezeka chifukwa chakuti kuyang'ana mauthenga owonetsera sikuchitika pa nthawi imodzi pa retina ya diso lirilonse, monga ziyenera kukhalira ndi zizindikiro zachibadwa, koma m'madera awiri. Ndipo pa retina yokha, gawo lokha la fanolo ndilokhazikika.
Kodi myopic astigmatism ndi chiyani?
Matendawa amatha kupezeka chifukwa cha ntchito iliyonse yopaleshoni m'maso, kupweteka kwamtundu kapena kukhala ngati chizindikiro chothetsera matenda ena. Myopic astigmatism imakhalanso ndi kubadwa.
Kuonjezera apo, matendawa amagawidwa m'makina a nyamakazi ndi amodzi omwe ali osiyana siyana: ofooka ndi owopsa.
Astigmatism ndi myopic yosavuta
Kuzindikira ndi kukhazikitsidwa kwa zovuta za matendawa kumachitika pofufuza meridians a diso. Astigmatism yosavuta imayang'ana kuwala kwa retina, ndipo mbali ina - patsogolo pake. Pachifukwa ichi, masomphenya ndi achilendo meridian, ndipo myopia imayamba m'chiwiri.
Maselo osamveka bwino omwe amachititsa kuti asamangidwe
Matenda oterewa amadziwika kuti retina sichifikira kuwala konse, komabe imayang'ana pazinthu zingapo kutsogolo kwake. Pofufuza ma meridians a diso, zikuonekeratu kuti myopia ilipo ponseponse, koma ndi zovuta zosiyanasiyana.
Maonekedwe ovuta a maso amodzi amapezeka nthawi zambiri ndipo amadziwika kwambiri ndi zizindikiro:
- Kuchepetsa kuwonekera kwa zinthu zooneka;
- kusokoneza;
- mawonekedwe a mitambo yamdima.
Myopic astigmatism - mankhwala
Matenda ofooka amatha kuchitidwa bwino ndi machitidwe opangidwa ndi maso, kuvala magalasi okonzekera , ma lens.
Kawirikawiri amafunika opaleshoni, chifukwa njira zomwe zimayimilira zingayambitse kupweteka kwa mutu ndi kusokonezeka m'maso. Ntchito zothetsa myopic astigmatism ndi izi:
- laser keratomileus (kukonza mawonekedwe a cornea ndi mtanda wa laser);
- kachipatala kake (microdermabrasion pa cornea);
- chithokomiro cha keratectomy (kukonzedwa kwa cornea ndi kuchotsa tinthu tating'onoting'ono kakang'ono popanda kuwononga tizilombo tomwe tikuzungulira).