E fosahetsepono e le nngwe:
Ha batho ba ka holimo ho lilemo tse 40, para e le 'ngoe ealikhalase tsa pono e le 'ngoemohlomong ha ba khone ho fihlela litlhoko tsa bona.Ba ne ba bona bohōle empa ba se haufi, kapa ba bona haufi empa e se sebaka.Ka nako ena, ba hloka ho roala likhalase tse peli, likhalase tsa ho bala ha li sebelisoa ho bona lintho tse haufi le likhalase tsa hole ho bona sebaka.Tsela e 'ngoe ke ho roala likhalase tse ngata,' me likhalase tse ngata li kenyelletsalikhalase tsa bifocal le tse tsoelang pele.Likhalase tse nang le mahlo a mangata ke likhalase tse le 'ngoe tse ka sebelisoang ho bona sebaka le ho koala, u ka sebelisa karolo e ka holimo e bonelang hole ho bona sebaka le karolo e ka tlase ho bona lintho tse haufi.
Phapano ke efe pakeng tsae tsoelang pele le bifocal
1. Li-Bifocals li u thusa ho bona hole le haufi feela, 'me li tla etsa hore litšoantšo li tlole ha u sheba haufi le ho bona sebaka.
2. U tla fumana pono e tsoelang pele libakeng tse hole, tse bohareng le tse haufi ka lense e tsoelang pele, 'me ho se na mela, ho se ho tlole litšoantšo tse tenang.
3. lense e tsoelang pele e tla bitsa chelete e ngata ho feta bifocals.Empa theko e eketsehileng e tšoaneloa ke boleng ba eona.
Ba hlokanglikhalase tse tsoelang pele
1. Ha leihlo la motho le ntse le senyeha ka lebaka la botsofali, lense e ntse e thatafala butle-butle, e leng ho etsang hore leihlo le shebelle ka morao ho e-na le ho shebana le retina ha le shebile lintho tse haufi.Ena ke presbyopia.Ketsahalo ena e tloaelehile har'a batho ba lilemong tse bohareng le batho ba hōlileng ba ka holimo ho lilemo tse 40.
2. Haeba feela u na le myopia (ho bonela haufi) kapa hyperopia (ho bonela hōle), u hloka feelalilense tsa pono e le 'ngoe, empa haeba u na le presbyopia le e 'ngoe ea mathata ao a mabeli a pono ka nako e le' ngoe, u hloka lilense tse ntlafatsang tsela eo u bonang lintho tse haufi le tse hōle.
3. Mefuta e meng ea mesebetsililense tse tsoelang peleli fumaneha bakeng sa mesebetsi e khethehileng.Bolella ngaka ea hau ea mahlo haeba u hloka likhalase tse khethehileng ka lebaka la mosebetsi.Joalo ka ha u khanna koloi tseleng e lebelo le phahameng, u hloka ho sheba sebaka, 'me u bone hore na ho setse oli e kae.
4. Kahoo, haeba u hloka likhalase tse peli bakeng sa ho bala le ho sebelisa sebaka se hōle, likhalase tse tsoelang pele li ka u lekana.
Lab ea rona e na le mechine e tsoang ho Satisloh 'me e kentse OPTOTECH le lisebelisoa tsa software tsa IOT bakeng sa lilense tse tsoelang pele tsa mahala.Meetso e fapaneng e loketse merero e fapaneng.
Nako ea poso: Feb-18-2022