Ulwazi lweMveliso
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Qhuba Ukuqhubela phambili- Ukukhapha okuKhuselekileyo, Lonwabele uhambo olugudileyo
Xa ubushushu obuphezulu phakathi kwehlobo budibana nexesha lemvula, ubushushu obuphezulu kunye nemvula enkulu "idibanisa ngokungenamthungo", imo ye-steaming ihlala ivuliwe.Ingaba igagasi lobushushu okanye imvula enkulu, izinto zokusingqongileyo zihlala zichaphazela iimeko zokuqhuba, i-canno yokhuseleko lokuhamba ...Funda ngokugqithisileyo -
I-Bifocals VS Progressives, yeyiphi eyona ilungileyo kwi-presbyopia?
Umkhwa we-presbyopia uya kubonakala ngokuthe ngcembe emva kweminyaka engama-40, kodwa kwiminyaka yakutshanje, ngenxa yemikhwa yamehlo engalunganga yabantu banamhlanje, abantu abaninzi baye babika kwangaphambili.Ke ngoko, imfuno ye-bifocals kunye neprog...Funda ngokugqithisileyo -
Uthini umahluko phakathi kwenkqubela phambili yangaphakathi kunye nenkqubela phambili yangaphandle?
Yintoni inkqubela yangaphakathi kunye nenkqubela phambili yangaphandle?I-Outer Progressives I-lens yangaphandle eqhubela phambili ikwabizwa ngokuba yi-front surface ye-lens eqhubekayo, oko kukuthi indawo ye-gradient yamandla ibekwe kumphezulu wangaphambili welensi...Funda ngokugqithisileyo -
Uthini umahluko phakathi kweelensi zesitokhwe kunye nelensi zeRx?
I-Stock Lens Iqondo le-stock lens limiselwa ngexesha lenkqubo yokwenza iilensi, kwaye inoluhlu oluthile lwendalo yonke (oko kukuthi abantu abaninzi basebenza ngokufanelekileyo).Oogqirha bamehlo bahlala bekhetha iilensi zesitokhwe njengelensi elula, eyonga imali...Funda ngokugqithisileyo -
Wazi kangakanani malunga nefotochromic, i-tinted kunye ne-polarized lens?
Njengoko ihlobo lisondela, ukunxiba iindondo zelanga ezisefashonini kuye kwaba ngumkhwa.Xa sihamba esitratweni, siza kubona abantu abanxibe iindondo zelanga.Nangona kunjalo, kubahlobo abane-myopia kunye neemfuno ezikhethekileyo zamehlo, kufuneka banxibe zombini iiglasi ze-myopia kunye nezibuko zelanga.Ngoko ke, emva...Funda ngokugqithisileyo -
Ngaba inkqubela phambili ikulungele?
Njengoko sikhula, i-lens ye-eyeball ngokuthe ngcembe iyaqina kwaye iyancipha, kunye nokukwazi ukulungisa izihlunu zamehlo nazo ziyancipha, okukhokelela ekunciphiseni kwekhono lokusondeza kunye nobunzima bokubona kufutshane, okuyi-presbyopia.Ngokwembono yezonyango, abantu ngaphezulu kwe ...Funda ngokugqithisileyo -
Indlela yokukhetha izibuko zelanga?Indlela yokwahlula phakathi kwe-polarized kunye ne-non-polarized?
Iipolarizers zezeglasi zelanga, kodwa ii-polarizers ziiglasi zelanga eziphezulu.Iipolarizers zinempembelelo yokuba izibuko zelanga eziqhelekileyo zingenalo, oko kukuthi, zinokuvala ngokufanelekileyo kwaye zihluze ukukhanya okuhlukeneyo okuyingozi emehlweni.Ukukhanya kwepolarized i...Funda ngokugqithisileyo -
Wazi kangakanani malunga neelensi zefotochromic?
Alithandabuzeki elokuba iiglasi ziye zaba yinto ebalulekileyo yemihla ngemihla kuninzi lwethu.Ukongeza kwiiglasi ze-myopia, iiglasi zelanga, kunye neeglasi ze-3D, kukwakho nelensi yephotochromic yomlingo, ekufanele ukuba siyiqonde kunye nophando.Phantse kwangoko...Funda ngokugqithisileyo -
Kutheni kufuneka iilensi zigqunywe?
Ukubonakaliswa kwelensi kunokunciphisa ukuhanjiswa kokukhanya kunye nokwenza imifanekiso yokuphazamiseka kwi-retina, echaphazela umgangatho womfanekiso kwaye ichaphazela ukubonakala komntu onxibayo.Ilensi egqunyiweyo yitekhnoloji entsha yefilimu yokukhanya kunye ne-vacuum, egqunywe ngesingle okanye ...Funda ngokugqithisileyo -
"Khanyisa umbono wakho ngeteknoloji ye-photochromic lens ehlakaniphile"
Enye yezona zinto zibalulekileyo eziqwalaselwayo xa ujonge ezona mpahla zamehlo zibalaseleyo kwindlela ophila ngayo, iimfuno zombono kunye nezinto ozikhethayo zefashoni ngumgangatho weelensi.Nokuba ufuna iindondo zikagqirha, iiglasi zelanga okanye iilensi zotshintsho, udinga imveliso ebonelela...Funda ngokugqithisileyo -
Le mikhwa emibi ye-3 inciphisa ngokuthula "ubomi" beeglasi
Uzitshintsha kangaphi iindondo zakho?Uninzi lwabantu alunayo ingcamango yobomi benkonzo yeeglasi.Enyanisweni, iiglasi zikwanobomi beshelufu njengokutya.Ingaba iperi yeglasi ihlala ixesha elingakanani?Kufuneka uhlaziywe kangakanani?Okokuqala, zibuze umbuzo: Ngaba uyambona ucle...Funda ngokugqithisileyo -
Ujongwa njani ukuba i-lens ebhlowu evala ukukhanya ibhlowu ngokwenene ibhloka ukukhanya?
Umhleli waphendula wathi: Inokuba yingxaki yosiba lovavanyo?Kukho iindlela ezintathu zokuchonga ukuba iblue light blocking lens inomsebenzi wokuthintela ukukhanya okuluhlaza: (1) Indlela yovavanyo yespectrophotometer.Le yindlela yaselabhoratri, izixhobo ziyabiza, zinzima,...Funda ngokugqithisileyo
