Likhalase tsa mahlaseli tsa bifocalke mofuta oa likhalase tse entsoeng ka ho khetheha tse nang le mesebetsi e mengata. Ha ba khone feela ho finyella litlhoko tsa likhalase tsa ho bala, empa hape ba sireletsa khahlanong le letsatsi. Likhalase tsa mofuta ona li amohela moralo oa lense oa bifocal, e le hore basebelisi ba ka natefeloa ke likhalase tsa letsatsi le likhalase tsa ho bala ka nako e le 'ngoe ntle le ho fetola likhalase khafetsa.
Molao-motheo le mochine
Molao-motheo le mochini oa likhalase tsa letsatsi tsa bifocal li bonahala haholo ka moralo oa eona oa lilense tse peli. E sebelisa lesela la lense ea letsatsi le lesela la likhalase tsa ho bala. Ka lisebelisoa tse khethehileng le ts'ebetso ea tekheniki, likarolo tse peli tsa lilense li ka fihlela optical balance. Ka tsela ena, basebelisi ba ka fumana litšoantšo tse hlakileng 'me ba thabela tšireletso ea letsatsi nakong ea mesebetsi ea ka ntle.
Kopo le bohlokoa
Mefuta e fapaneng ea ts'ebeliso ea likhalase tsa letsatsi tsa bifocal e pharaletseng haholo. E loketse batho ba atisang ho tsoa, joalo ka batho ba ratang maeto, ba ratang lipapali tsa ka ntle, batšoasi ba litlhapi, joalo-joalo Batho bana ba atisa ho kopana le khanya ea letsatsi e matla 'me ba boetse ba hloka ho sebelisa likhalase tsa ho bala. Ho ba teng ha likhalase tsa letsatsi tsa bifocal ho kopana le litlhoko tse peli tsa batho bana mme ho fana ka khetho e bonolo haholoanyane.
Melemo ea likhalase tsa ho bala tsa bifocal
Ha li bapisoa le likhalase tse tloaelehileng tsa ho bala, likhalase tsa letsatsi tsa bifocal li na le melemo e mengata. Ea pele ke boiketlo. Basebelisi ha ba hloke ho fetola likhalase khafetsa, likhalase tsa letsatsi tsa bifocal li ka fihlela litlhoko tse fapaneng tsa ts'ebeliso. Ea bobeli ke ho feto-fetoha ha maemo. Likhalase tsa letsatsi tsa bifocal li ka fana ka pono e hlakileng le ho sireletsa khahlanong le mahlaseli a kotsi. Sena se etsa hore basebelisi ba ikutloe ba phutholohile 'me ba phutholohile ha ba le ka ntle.
Ke batho ba mofuta ofe ba hlokang likhalase tsa letsatsi tsa bifocal
Batho ba hlokang likhalase tsa letsatsi tse peli ke ba atisang ho tsoa 'me ba hloka ho sebelisa likhalase tsa ho bala. Ba hloka ho rarolla mathata a pono molemong oa ho thabela letsatsi kantle. Batho bana e ka 'na ea e-ba batho ba ratang maeto, ba ratang lipapali tsa ka ntle, batšoasi ba litlhapi, joalo-joalo Ho hlaha ha likhalase tsa letsatsi tsa bifocal ho finyella litlhoko tsa bona tsa ho sebelisa likhalase tsa mahlaseli le likhalase tsa ho bala ka nako e le' ngoe, ho fana ka boiketlo bo eketsehileng le matšeliso. Ho hlaha ha likhalase tsa letsatsi tsa bifocal ho rarolla ho hanyetsana ha mathata a optical a 'nileng a e-ba teng ho batho ba chesehelang ntle. Molao-motheo oa eona le mokhoa oa eona li nolofalletsa likhalase hore li finyelle litlhoko tsa likhalase tsa letsatsi le likhalase tsa ho bala ka nako e le 'ngoe. E na le mefuta e mengata ea likopo le melemo e mengata. Bakeng sa ba atisang ho tsoa 'me ba na le tlhokahalo ea ho sebelisa likhalase tsa ho bala, likhalase tsa letsatsi tsa bifocal ke khetho e sebetsang haholo le e bonolo.
Haeba u batla ho tseba haholoanyane ka mekhoa ea feshene ea likhalase le lipuisano tsa indasteri, ka kopo etela sebaka sa rona sa Marang-rang 'me u ikopanye le rona neng kapa neng.
Nako ea poso: May-22-2024