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Abantu bahlala bebuza ukuba ngaba kufuneka banxibe iperi yeglasi ezibhlowu eziblowu ukukhusela amehlo abo xa bejonge kwikhompyuter, ipad okanye ifowuni ephathwayo.Ngaba i-myopia laser ichanekile emva kotyando kufuneka inxibe iiglasi ze-anti blue ray ukukhusela iliso?Ukuphendula ezi q...Funda ngokugqithisileyo»
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Iilensi eziqhubela phambili, ezibhekiselele kwiilensi ezigxile kwizinto ezininzi, zinxitywa kakhulu eYurophu nase-United States, kodwa ziye zaduma eTshayina kule minyaka ili-10 idlulileyo.Makhe sijonge umfanekiso weeglasi ezininzi eziqhubekayo.Namhlanje, abaninzi ...Funda ngokugqithisileyo»
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Izinga lokuthandwa kweefilimu eziqhubekayo kwimimandla ephuhlisiwe njengeYurophu kunye ne-United States idlule i-70%, kwaye iifilimu eziqhubekayo zithatha i-30% yevolumu yokuthengisa, kunye neentengiso zonyaka malunga ne-500 yezigidi.Nangona kunjalo, iifilimu eziqhubela phambili zingaphantsi kwe-3% ezidumileyo kwi ...Funda ngokugqithisileyo»
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Izinto ezintathu eziphambili zeelensi zamehlo: zeziphi iiyantlukwano ezithile kunye neenzuzo kunye nokungalunganga kweelensi ezintathu ezithandwayo zamehlo.Ukufaka iiglasi zolwazi lwelensi, sazisa uhlobo lomsebenzi welensi, ubunjani bemathiriyeli kancinane...Funda ngokugqithisileyo»
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Igalaji yesiko lens ekubhekiswa kuyo njengeqhekeza legaraji, iseti yemveliso.Igalaji eyenziwe ngokwezifiso i-lens ibhekisela kwimveliso engenakukwazi ukuhlangabezana nokunikezelwa kweziqwenga ezikhoyo kwaye isetyenziselwa ukuhlangabezana neemfuno ezizodwa.Olu hlobo lwelensi lwahlukile kwilensi eqhelekileyo yesiqhelo, ethi...Funda ngokugqithisileyo»
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Iilensi zokutshintsha umbala ziya zithandwa kakhulu ngenxa yokuba aziboneleli kuphela ukukhuselwa kwe-UV, kodwa zifanelekile ukugqoka imihla ngemihla.Eyona ngongoma ibalulekileyo kukuhlangabezana neemfuno zamaqela ahlukeneyo abantu, njenge-presbyopia, i-myopia, ukukhanya okucaba njalo njalo.Ngoko, h...Funda ngokugqithisileyo»
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Ukukhethwa kwe-lens kunokuqwalaselwa kwiinkalo ezintathu: izinto eziphathekayo, umsebenzi kunye nesalathisi se-refractive.imathiriyeli Izinto eziqhelekileyo zezi: iilensi zeglasi, iilensi ze-resin kunye ne-PC Iingcebiso: ABANTWANA abasebenzayo, ukusuka kwiingcamango zokhuseleko, ukhetho olungcono lweelensi ze-resin okanye iilensi zePC...Funda ngokugqithisileyo»
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Ngokuphuculwa okuqhubekayo kweemfuno zomgangatho wabathengi, iimfuno zomgangatho wabantu kwiilensi zamehlo nazo ziphuculwa ngokuthe ngcembe, kwangaxeshanye, iimfuno zehlabathi zeelensi zamehlo nazo ziya ziba ngqongqo ngakumbi.Uchonga njani umgangatho walo ...Funda ngokugqithisileyo»
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1, khetha isakhelo esilungileyo Nantsi ukungaqondi kakuhle kwengqondo, ayibizi kakhulu umgangatho wesakhelo ulungile, kwaye ayisiyompahla ilungileyo.Yiba nokuqonda okuthile kwemathiriyeli, iintlobo ngeentlobo zeefreyimu ezinexabiso eliphantsi nazo zinokuthengwa ngomgangatho olungileyo.Ngokuba...Funda ngokugqithisileyo»
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Kubahlobo be-myopic, ngalo lonke ixesha usiya kwivenkile yeeglasi ukukhetha isakhelo seglasi yingxaki ebuhlungu kakhulu, kunzima ukukhetha iperi yeeglasi ezilungele ezabo, ukuba namhlanje zikufundisa indlela yokukhetha iperi yeglasi efanelekileyo kwabo. isakhelo esakhe.Inyathelo 1: Ch...Funda ngokugqithisileyo»
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Okwangoku, abantu abaninzi bakholelwa ukuba okukhona iiglasi ezibiza kakhulu, kokukhona zibhetele!Ukuqonda le psychology yabathengi, iivenkile zamehlo zihlala zisebenzisa i-refractive index njengendawo yokuthengisa ukunyusa amaxabiso eeglasi ukuze kufumaneke inzuzo ephezulu kwezoqoqosho.Eyona iphezulu...Funda ngokugqithisileyo»
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Xa ukhetha isakhelo seglasi yamehlo, uyazi kuphela ukuba ukhethe isitayile sesakhelo seglasi, kodwa ungayihoyi imathiriyeli yesakhelo seglasi?Kodwa ngokwenene izinto eziphathekayo zesakhelo somfanekiso zibaluleke ngaphezu kwesitayela!Eli nqaku likufundisa umzuzu ukuqonda eyona nto iphambili ...Funda ngokugqithisileyo»
