Lensulo yothandizira ndi yokhazikika yomwe ingakhale yoyenera kwa inu ngati simukumva kuvala zovala zolimba zogwiritsa ntchito gasi . Makina olimbitsa thupi amachititsa kuti anthu aziona kuwala kwa gasi yowonongeka kwambiri komanso kulimbikitsidwa ndi diso lofewa. Lens lamtundu wosakanizidwa lili ndi likulu lopanda magetsi lopangidwa ndi makina opangidwa ndi lofewa.
Ndani Akufunikira Zida Zamakono Zophatikiza?
Othandizira osakanizidwa si onse. Anthu ena akhoza kupindula ndi kapangidwe kamene kamakanizidwa. Werengani mndandanda womwewo ndikuwunikira ngati muli woyenera kuti mukhale ndi makina osakanizidwa.
- Kodi mukukhumba kukonza, kuwongolera masomphenya? Kodi simukukondwera ndi masomphenya anu okonzedwanso ndi makina opangidwira nthawi zonse?
- Kodi muli ndi astigmatism ochuluka ?
- Ngati muli ndi astigmatism yambiri, kodi mukufuna kuvala lens yolumikizana ndi bifocal?
- Kodi mumadwala keratoconus ?
- Kodi mwakhala mukudwala matenda oopsa kapena kupanikizika kwamtunduwu ndikuvutika ndi kupotoka kwachinyengo?
- Kodi mwakhala mukuchitidwa opaleshoni ndipo simukukondwera ndi zotsatira zake?
Anthu omwe ali ndi mavuto ena otchulidwa pamwambawa ali ndi mtundu wina wosasintha kapena wosokonezeka. Nthaŵi zambiri vuto ili silinayende bwino ndi magalasi a maso ndi madokotala amayesa kupanga mpweya wokhazikika wokhazikika wothandizira. Lenti yolimba imapanga masomphenya abwino chifukwa imasokoneza zovuta zonse, ndikuyesa kutsogolo kwatsopano kuyang'ana kuwala.
Chifukwa chakuti diso lofewa lofewa ndi lofewa, astigmatism kapena kusokonezeka nthawi zambiri amawala mpaka kupyolera mu lens chifukwa diso lofewa limangobwera pamwamba pa cornea.
Chifukwa galimoto yowononga galimoto yowonongeka ndi yovuta, sizimasuka kwa anthu onse. Anthu ena ali ndi kupotoka kwakukulu kotero kuti ndi kovuta kwa dokotala wawo wa maso kuti mandala apitirire bwino pa cornea ndi wophunzira.
Pogwiritsa ntchito makina osakanikirana a lens, optics opusa a lenti yolimba amaperekedwa ndi lenti lolimba. Mng'oma wochulukirapo amavutitsa cornea kotero sichimagwedeza pambali pake, kuvulaza. Msuzi wofewa amanyamula lenti lolimba m'malo poletsa mislocation.
Kodi Pali Wina Amene Amavala Magetsi Ophatikiza?
Ngati mungathe kuvala malonda othandizira nthawi zonse, ndiye kuti mumatha kuvala lens wosakanizidwa. Komabe, simungaone zambiri pokhapokha mutakhala ndi chimodzi mwazimene tatchula pamwambapa. Odwala omwe amavala mapulogalamu a hybrid amanena kuti masomphenya awo ndi ovuta kuposa pamene akukonzekera ndi diso lofewa. Nthaŵi zina, lenseni yosakanizidwa siigwira ntchito. Izi nthawi zina zimachitika pamene munthu ali ndi astigmatism lenicular m'malo mochita manyazi. Dokotala wanu adzayesa mayesero angapo kuti adziwe ngati makina osakanizidwa adzagwira ntchito kwa inu.
Mawu Ochokera
Anthu ena amaganiza kuti maselo a hybrid amafuna nthawi yochuluka yosamalira ndi kuyeretsa. Mitundu yambiri yowakanizidwa ndi yosavuta kusamalira ngati makuloni othandizira nthawi zonse. Nthawi zina, njira zomwezo zingagwiritsidwe ntchito. Komabe, chinthu chimodzi chomwe muyenera kumvetsera kwambiri ndilo gawo lalikulu la lens. Chifukwa chakuti chigawo chapakati ndi cholimba, chingathe kusweka ngati kupanikizika kwakukulu kumagwiritsidwa ntchito kwa izo pamene mukupukuta kapena kuyeretsa disolo.
> Chitsime:
> Holt JC, Dansie DF, Ogden, Utah. "Wophatikiza Kwa Wovuta Kulikondweretsa: Wopanga multifocal tsiku-kuvala amatonthoza ndi masomphenya nthawi imodzi." Machitidwe Othandizira, Oct 2007.