Iiglasi lokuqhuba. Into ekufuneka uyazi nendlela ukukhetha

Imithombo ilitha ukuba umntu abe phezu kwamanzi aselwandle okanye elwandle, phantsi kwempembelelo kwelanga eliqaqambileyo okanye yamahlathi ngekhephu zeentaba. Kulo mzekelo, neliso lomntu uye iimvavanyo olomeleleyo umthwalo kunye ntshikilelo. Le nkqubo inye lwenzeka kunye umqhubi ngoxa uqhuba. Ukulahleka mbono ithatha imizuzwana nje embalwa, kodwa elo xesha lo matshini ixesha Kwathi emashumini ezimbalwa kweemitha kunye ulahlekelwe ulawulo. Amaxesha amaninzi, le meko ikhokelela isenzeko ingozi. Ukongeza, i radiation ukukhanya kunokubangela ukubonakala abaziintsizana umqhubi kunye yintloko bakhe ngexesha yokufunyaniswa ishishini ezintendeni.

Kwiimeko ezinjalo, ophthalmologists ekucetyiswa ukuba ukunxiba iindondo ezikhethekileyo lokuqhuba kunye neepropati nokwehlukana. lens zinto zinegalelo ezinombala ukukhusela amehlo elangeni yelanga kunye eliqaqambileyo imitha kunye ilitha phezu kwamanzi.

Indlela ukukhetha?

Ziziphi iindlela kufuneka kulandelwe, icholwa amanqaku ukuqhuba? Nazi ezinye iingcebiso kwiingcaphephe:

Umbala we lens. Eyona miba ibalulekileyo ekufuneka ukuba zithathele ingqalelo eyodwa xa ukhetha iindondo. Kukhethwa Kungcono ukunika lens kunye ilizwi emthubi okanye ukukhanya-mdaka. Lo ngumbala leebloko ezilungileyo uluhlu ethile imibala yokukhanya okubonakalayo. Kulo mzekelo, umfanekiso icaca kwaye kwabenza amehlo ukuba ukudinwa ngaphantsi. shades efudumeleyo lenses musa bayasigqwetha irobhothi kwaye lingavakali izibane umqondiso stop.

UV-ukhuselo. Inqanaba ukhuseleko UV ikhethwa kubaqhubi, kuba zonke iindondo ezimnyama zinikwe olu khetho. Kodwa elunxwemeni okanye ukhwele ibhayisekile kungcono ukukhetha iqondo eliphezulu yokuzikhusela: UV380 - UV400.

optic Class. Iingongoma ngokuba ukuqhuba bhetele ukuthenga kumasebe awodwa, apho baqinisekiswa ilens optically echanekileyo, kunokuba nkulu iipleyiti anombala egobile. Qaphela ubukho lens ngamaza. Lo mhlaba kukuvumela ukuba uthathe ilitha ukusuka asphalt ezimanzi okanye ongakanani kwi ifestile.

Planting. Kuba iindondo wear entofontofo lokuqhuba kufuneka uvumelane snugly ukuba inxalenye nezenyama entloko, kodwa musa ukutyhala. Ngoko ke, kufuneka sinikele ingqalelo wayifanisa flexi okanye ukuba isaphetha ethambileyo.

Izibuko ukuze uqhuba ebusuku

A impikiswano kakhulu. Abathengisa impahla ukuzibonisa imfuneko yokuba uqhuba. Umgaqo esebenza ngayo iilensi sele clip yemisebe leyo ebonakalayo phezu isithuthi, endleleni.

Kodwa izazi uluvo olwahlukileyo yaye sikholelwa ukuba izibuko ukuze ukuqhuba ebusuku - hayi nje intsomi, kodwa uyakwazi ukwenzakalisa umqhubi. Eneneni, ebusuku, na lens yabangazijongisisi nzulu ngakumbi kunciphisa umahluko kwaye sidala inkangeleko ungapheleli yezinto. Mhlawumbi izibuko yaye kunciphisa blinding ukukhanya ozayo; kodwa xa uthe wabona nje imiqobo uhambisa okanye ngeenyawo ebusuku?

Ngokukhetha iingongoma yebloko kumntu ngamnye uze uliphulaphule iimvakalelo zabo. Ekubeni umbono elungileyo - kuyimfuneko lokuqhuba ekhuselekileyo.