Mbiri ya magalasi adzuwa imatha kutsatiridwa mpaka 14th-century China, komwe oweruza adagwiritsa ntchito magalasi opangidwa ndi quartz yosuta kuti abise momwe akumvera. Zaka 600 pambuyo pake, wamalonda Sam Foster adayambitsa magalasi amakono amakono monga momwe timawadziwira lero ku Atlantic City. Kuyambira pamenepo, Tsiku la Magalasi a Sunglasses likuchitika chaka chilichonse pa June 27. Zochitika zapachaka zimafuna kufalitsa chidziwitso ponena za kufunika kovala magalasi oteteza ultraviolet.
N’chifukwa chiyani kutetezedwa kwa dzuwa n’kofunika komanso n’kofunika m’moyo watsiku ndi tsiku?
Kuwala kwa UV kumatha kuvulaza maso anu. Kuwonekera kumatha kupangitsa kuti mukhale ndi ng'ala zaka 8-10 kale kuposa momwe zimakhalira. Gawo limodzi lokha lalitali padzuwa lingayambitse kupsa mtima kowawa kwa corneas. Pali zabwino zambiri zamagalasi okhala ndi chitetezo cha 100% UV kuposa momwe mukudziwira. Nthawi ina mukavala mithunzi yomwe mumakonda, mutha kugwiritsa ntchito izi:
1.Kutetezedwa ku kuwala kwa UVA ndi UVB
2.Kuchepetsa kuwala
3.Kupumula ku mavuto a maso
4.Aid popewa kuwonongeka kwa macular, cataracts ndi matenda ena a maso
5.Kuteteza ku khansa yapakhungu pamalo ozungulira maso
6.Shade kuchokera ku kuwala kwa dzuwa, zomwe zingalepheretse mutu
7.Kuteteza ku zinthu zakunja monga dothi, zinyalala ndi mphepo
8.Kupewa makwinya
Kodi ndingadziwe bwanji ngati magalasi ali ndi chitetezo cha UV? Tsoka ilo, sikophweka kudziwa ngati magalasi anu ali ndi magalasi oteteza UV pongowayang'ana. Simungathenso kusiyanitsa kuchuluka kwa chitetezo chotengera mtundu wa lens, chifukwa ma lens amasiyana ndi chitetezo cha UV. Nawa malangizo angapo posankha zovala zoteteza ku dzuwa:
• Yang'anani chizindikiro pa zinthu zenizeni kapena malongosoledwe a phukusi omwe amatsimikizira chitetezo cha 100% UVA-UVB kapena UV 400.
• Ganizirani za moyo wanu ndi zochita zanu posankha ngati mukufuna magalasi okhala ndi polarized, lens photochromic kapena magalasi ena.
• Dziwani kuti kuwala kwa lens kwakuda sikumapereka chitetezo chowonjezereka cha UV
Universe Optical imatha kupereka chithandizo ndi chidziwitso nthawi zonse kuti muteteze maso anu. Chonde dinani patsamba lathu https://www.universeoptical.com/stock-lens/kuti mupeze zosankha zambiri kapena mutitumizireni mwachindunji.