_{Fektheri ea VR}

Melemo ea Bifocal Sun Reading Glasses
Likhalase tsa ho bala tsa bifocal li ka sebelisoa bakeng sa sebaka se hole le haufi, ha ho hlokahale hore u fetole likhalase khafetsa, ho le bonolo haholoanyane
Likhalase tsa ho bala letsatsi tsa Bifocal ke likhalase tse ikhethang le tse sebetsang tse kopanyang mesebetsi e hole le e haufi, likhalase tsa letsatsi, le mesebetsi e meng hore e be ntho e le 'ngoe, e felisang tlhoko ea hore basebelisi ba fetole likhalase khafetsa, 'me ho tlisa boiketlo bo boholo. Likhalase tse tloaelehileng tsa ho bala li ka rarolla bothata ba ho bala haufi. Ha u hloka ho shebella lintho u le hole, u tlameha ho rola likhalase tsa hau ebe u li sebelisa ka likhalase tsa myopia, e leng ntho e sa thabiseng haholo. Ho hlaha ha likhalase tsa bifocal tsa ho bala letsatsi ho rarollotse bothata bona, ho lumella basebelisi ho sebetsana ka katleho le litlhoko tsa pono libakeng tse fapaneng le ho ntlafatsa boiketlo ba mosebetsi le bophelo.

Ha li kopantsoe le likhalase tsa letsatsi, u ka bala letsatsing le ho sireletsa mahlo a hao hamolemo.
Likhalase tsa ho bala letsatsi tsa Bifocal li boetse li kenyelletsa lilense tsa letsatsi ho fa basebelisi tšireletso e ntle ea mahlo. Hangata re ikutloa re sa phutholoha mahlong a rona ha re le ka ntle sebakeng se nang le letsatsi, 'me ho pepesehela khanya e matla nako e telele ho ka baka tšenyo mahlong a rona. Lilense tsa letsatsi tsa likhalase tsa ho bala li ka sefa mahlaseli a ultraviolet ka nepo, tsa fokotsa mokhathala oa mahlo le ho sireletsa bophelo bo botle ba pono. Sena se lumella basebelisi ho natefeloa ka botlalo ho bala le ho sebelisa lisebelisoa tsa elektroniki kantle ntle le ho tšoenyeha ka bophelo bo botle ba mahlo.

Ts'ehetso ea tempele ea LOGO le mokhoa oa ho etsa liphutheloana tsa kantle
E le ho fihlela litlhoko tsa motho ka mong tsa basebelisi ba fapaneng, likhalase tsa ho bala tsa letsatsi tse nang le khanya e habeli li tšehetsa tlhophiso ea LOGO ea tempele le liphutheloana tsa kantle. Ka ho hlophisa LOGO litempeleng, u ka bonts'a setšoantšo sa lebitso la hau kapa la khoebo le ho ntlafatsa boleng le boikhethelo ba lihlahisoa tsa hau. Tlhophiso ea liphutheloana tsa kantle e ka eketsa likarolo tsa bonono sehlahisoa, ea ntlafatsa boiphihlelo ba mosebelisi, hape ea fa bareki khetho e ntle ea limpho.

Lisebelisoa tsa polasetiki tsa boleng bo holimo, tse tšoarellang haholoanyane
Likhalase tsa letsatsi tsa Bifocal li entsoe ka thepa ea polasetiki ea boleng bo holimo 'me li na le thata e ntle le ho tšoarella nako e telele. Ha li bapisoa le liforeimi tse tloaelehileng tsa tšepe, liforeimi tsa khalase ea mahlo tsa polasetiki li bobebe ebile li phutholohile ho li roala, li etsa hore li phutholohe haholoanyane le tsa tlhaho ho apara. Thepa ea polasetiki ha e bonolo ho rusa, ho holofala le ho roala, ho etsa hore likhalase tsa letsatsi tse khanyang habeli li be telele le ho tšoarella ho feta.