Magalasi opangira mavitamini ndi magalasi okhala ndi magalasi anu omwe akukonzekera kuti alowe m'malasi. Magalasi opangira mankhwala ali abwino ngati muli ndi vuto la refractive ; Amatha kuteteza maso anu ku dzuwa ndi kutentha komanso kukuthandizani kuti muwone bwinobwino.
Magalasi opangira mavitamini alipo pafupi ndi malamulo onse okonzekera, ndi njira zingapo kuphatikizapo bifocals ndi mapulogalamu apamwamba.
Anthu ambiri amasangalala ndi zovuta za masomphenya omveka bwino ndi mthunzi wa dzuwa. Ngati mutagwiritsa ntchito nthawi yambiri kunja kapena kumbuyo kwa gudumu, kukhala ndi magalasi a magetsi amachititsa ntchito zakunja zosavuta komanso zosavuta maso anu.
Kumene Mungapeze Peyala
Njira yabwino yodzipezera magalasi am'manja ndi kufunsa optometrist kapena katswiri wamakono. Pafupifupi aliyense wokonza mapulani omwe mungasankhe adzakonzekera malonda anu a mankhwala. Komabe, mafelemu a magalasi otsika kwambiri samapangidwa kuti apangidwe majekeseni. Ngati mukufuna bifocals kuti muwerenge, monga momwe tonsefe timachitira, magalasi anu amatha kupangidwa pamodzi ndi bifocal. (Nthawi yotsatira mukakhala pamphepete mwa nyanja, simudzasowetsa mu thumba lanu la galasi magalasi anu owerengera.)
Njira ina ndi magalasi a maso ndi zithunzithunzi za photochromic. Malonda ameneĊµa amdima pamene amawoneka ndi dzuwa kuchokera ku dzuwa. Monga njira yosakwera mtengo, zojambulajambula ndizithunzi zamdima zomwe zimagwirizanitsa ndi magalasi anu omwe nthawi zonse.
Zolembapo zingathe kugulitsidwa pamodzi ndi mafelemu, kutsimikizira kukhala woyenera.
Magalasi opangira mavitamini akupezeka pakudziwika, popeza anthu ambiri akuzindikira mapindu awo. Sikuti amathandiza kuteteza masomphenya anu ndi kupanga mafashoni, amachititsanso kuti muwone bwinobwino.
Chitsime:
Dowaliby, Margaret. "Zochitika Zothandiza za Ophthalmic Optics." Professional Press Books, 1988. Pp 140-142.