Tsebo ea Sehlahisoa
-
Khanna Tsoelo-pele- Ho felehetsa ka Sireletsehile, Thabela Leeto le Thellang
Ha mocheso o phahameng bohareng ba lehlabula o kopana le nako ea lipula, mocheso o phahameng le pula e matla "li hokahana ka mokhoa o sa tsitsang", mokhoa oa ho chesa o lula o le teng.Ebang ke leqhubu la mocheso kapa pula e matla, maemo a tikoloho a lula a ama maemo a ho khanna, canno ea polokeho ea maeto ...Bala haholoanyane -
Bifocals VS Progressives, ke efe e molemo ka ho fetisisa bakeng sa presbyopia?
Tloaelo ea presbyopia e tla hlaha butle-butle ka mor'a lilemo tse 40, empa lilemong tsa morao tjena, ka lebaka la mekhoa e mebe ea mahlo a batho ba mehleng ea kajeno, batho ba bangata ba na le presbyopia e tlalehiloeng esale pele.Ka hona, tlhoko ea li-bifocals le progr...Bala haholoanyane -
Phapang ke efe lipakeng tsa tsoelo-pele ea ka hare le ea ka ntle?
Ke lintho life tse tsoelang pele ka hare le tse tsoelang pele?Outer Progressives Lense e tsoelang pele ea kantle e boetse e bitsoa lense e tsoelang pele ea moralo oa bokaholimo, ke hore sebaka sa matla se behiloe bokaholimong ba lense...Bala haholoanyane -
Phapano ke efe lipakeng tsa lilense tsa stock le lilense tsa Rx?
Stock Lenses Tekanyo ea lilense tsa stock e khethoa nakong ea ho etsoa lilense, 'me e na le bokahohle bo itseng (ke hore batho ba bangata ba batla ba sebetsa).Lingaka tsa mahlo hangata li khetha lilense tsa stock e le lense e bonolo, e bolokang chelete e ngata...Bala haholoanyane -
U tseba hakae ka lilense tsa photochromic, tinted le polarized?
Ha lehlabula le ntse le atamela, ho roala likhalase tsa letsatsi tse fesheneng ho fetohile tloaelo.Ha re tsamaea seterateng, re tla bona batho ba roetseng likhalase tsa letsatsi.Leha ho le joalo, bakeng sa metsoalle e nang le myopia le litlhoko tse khethehileng tsa mahlo, ba lokela ho roala likhalase tsa myopia le likhalase tsa letsatsi.Ka hona, mor'a ...Bala haholoanyane -
Na tsoelo-pele e nepahetse ho uena?
Ha re ntse re hōla, lense ea leihlo e ntse e thatafala butle-butle le ho ba motenya, 'me matla a ho fetola mesifa ea mahlo a boetse a fokotseha, e leng se bakang ho fokotseha ha bokhoni ba ho atametsa le bothata ba ho bona haufi, e leng presbyopia.Ho ea ka pono ea bongaka, batho ba fetang ...Bala haholoanyane -
Joang ho khetha likhalase tsa letsatsi?Mokhoa oa ho khetholla pakeng tsa polarized le non-polarized?
Li-polarizers ke tsa likhalase tsa letsatsi, empa li-polarizer ke likhalase tsa letsatsi tse batlang li le maemong a holimo.Li-polarizers li na le phello eo likhalase tse tloaelehileng tsa letsatsi li se nang tsona, ke hore, li ka thibela le ho sefa mabone a fapaneng a polarized a kotsi mahlong.Polarized light ke...Bala haholoanyane -
U tseba hakae ka lilense tsa photochromic?
Ha ho pelaelo hore likhalase li fetohile lisebelisoa tsa bohlokoa tsa letsatsi le letsatsi bakeng sa boholo ba rona.Ntle le likhalase tsa myopia, likhalase tsa letsatsi le likhalase tsa 3D, ho boetse ho na le lense ea boselamose ea photochromic, eo re lokelang ho e utloisisa le ho etsa lipatlisiso.Phaello ea pele...Bala haholoanyane -
Ke hobane'ng ha lilense li lokela ho koaheloa?
Pontšo ea lense e ka fokotsa phetisetso ea leseli mme ea theha litšoantšo tsa tšitiso ho retina, e amang boleng ba setšoantšo mme e ama ponahalo ea ea e apereng.Lense e koahetsoeng ke theknoloji e ncha ea filimi ea optical le vacuum, e koahetsoeng ka single kapa mu...Bala haholoanyane -
"Khantša pono ea hau ka theknoloji e bohlale ea lense ea photochromic"
E 'ngoe ea lintlha tsa bohlokoa ka ho fetisisa ha u batla liaparo tsa mahlo tse ntle ka ho fetisisa bakeng sa mokhoa oa hau oa bophelo, litlhoko tsa pono le likhetho tsa feshene ke boleng ba lilense.Hore na o hloka likhalase tsa ngaka, likhalase tsa letsatsi kapa lilense tsa phetoho, o hloka sehlahisoa se fanang ka ...Bala haholoanyane -
Mekhoa ena e mebe ea 3 e khutsufatsa ka khutso "bophelo" ba likhalase
U fetola likhalase tsa hau hangata hakae?Batho ba bangata ha ba na maikutlo a bophelo ba tšebeletso ea likhalase.Ha e le hantle, likhalase li boetse li na le sethala sa bophelo joaloka lijo.Likhalase tse peli li nka nako e kae?U hloka ho ntlafatsa hakae?Taba ea pele, ipotse potso: Na u ka bona cle...Bala haholoanyane -
U ka hlahloba joang hore na lense e thibelang leseli le leputsoa e hlile e thibela leseli le leputsoa?
Mohlophisi a araba: Na e ka ba bothata ba pene ea teko?Ho na le mekhoa e meraro ea ho tseba hore na lense e thibelang khanya e putsoa e na le mosebetsi oa ho thibela khanya e putsoa: (1) Mokhoa oa teko oa spectrophotometer.Ena ke mokhoa oa laboratori, thepa e theko e boima, e boima, ...Bala haholoanyane
