Lihlopheng tsa mahlo li ne li hlile li qapiloe neng?
Leha mehloli e mengata e bolela hore lintlha tsa mahlo li qapiloe ka 1317, moqapi oa likhalase li qaqisitsoe ka likhalase tse akaretsang.
Lefatšeng leo ba 60% ba baahi ba hlokang lilense tse ling tsa tokiso li hloka lileketsi tse ling tsa khalemelo ho bona ka ho hlaka, ho thata ho nahana ka nako eo tuglasses e neng e se ka eona.
Ke lisebelisoa life tse neng li ne li sebelisoa ho li-likhalase?
Mefuta ea maikutlo ea mahlo e shebahala e fapane hanyane ho fapana le likhalase tsa lengolo leo re e bonang kajeno - esita le likarolo tsa pele li fapana ho litso.
Baqapi ba fapaneng ba ne ba e-na le maikutlo a bona a ho ntlafatsa pono u sebelisa lisebelisoa tse itseng. Ka mohlala, Baroma ba boholo-holo ba ne ba tseba ho etsa khalase le ho sebelisa lingoliloeng tseo ho theha mofuta oa bona oa likhalase tsa mahlo.
Baqapi ba Mataliana kapele ba ile ba ithuta kapele hore nkhono oa majoe o ka etsoa convax kapa concave ho fana ka tlaleho e fapaneng ea batho ba nang le mathata a fapaneng a pono.
Kajeno, lilense tsa litsi tsa mahlo hangata ke liserekisi kapa khalase le liforeimi li ka etsoa ka tšepe, lehong esita le likhahla tsa kofi - ha li sa tla).
Phello ea Litlhokahalo tsa mahlo
Mahloa a pele e ne e le a e 'ngoe ea mahlo a pele - e ne e le mefuta e mengata haholo - tharollo eohle, empa ha ho joalo kajeno.
Hobane batho ba na le mefuta e fapaneng ea mathata a pono -myopia(ho hloka lihlahisoa),Hyperopia(e monate),Asigmatism,ammedofia(Leilata la botsoa) le ho feta - lilense tse fapaneng tse fapaneng hona joale li lokisa liphoso tsena tsa theko.
Tse ling tsa tse latelang ke tse ling tsa litsela tse ling li ntlafalitse le ho ntlafala ha nako e ntse e tsamaea.
Li-bifocls:Ha li le lilense tsa Convex li thusa ba nang le myopia leLilense tsa ConcaveHyperopia Hyperopia le Presnoopia, ho ne ho se na tharollo ea ho thusa ba utloileng bohloko ho fihlela 1784 Franklin!
Li-trifocers:Halofo ea lekholo kamora ho qaptjoa ha li-goodls, lilateli li ile tsa bonahala. Ka 1827, John Isaac Hawkins O Ipiletse Lilense tse sebelisoang tse matlaPresnnoopia, boemo ba pono boo hangata bo qalileng ka mor'a hore lilemo li 40. Presbyopia e ama bokhoni ba motho ba ho bona likarete tsa hae tse haufi
LITLHALOSO TSE BOTSOANG:Badwin H. Land ba entse likonse tse rapeloang ka 1936. O sebelisitse sefako sa Polaroid ha a etsa likuku tsa hae. Likotsi tsa kotlo li fana ka bokhoni ba ho anti-glare le ho ntlafatsoa ho ntlafalitsoeng. Bakeng sa ba ratang tlhaho, lilense tse matlafatsang li fana ka tsela ea ho natefeloa ke ho itlosa bolutu ka ho itlosa bolutu, joalo kaHo tšoasa litlhapile lipapali tsa metsi, ka ho bonahala eka ke pono e ntseng e eketseha.
Lilense tse tsoelang pele:Joalo ka li-goodolas le li-trifools,lilense tse tsoelang peleEba le matla a mangata a lense bakeng sa batho ba nang le bothata ba ho bona ka mokhoa o hlakileng libakeng tse fapaneng. Leha ho le joalo, tsoelo-pele e fana ka se hloekileng, se seng se sa tsotelleng le ho feta ha u ntse u tsoela pele ka matla lense ka 'ngoe - ho tsamaea hantle!
Li-lense ea lifoto: Lilense tsa PhotochiphicHape, le ho ratoa ka litlamong, lefifi ka khanya ea letsatsi 'me u lule ke le matlung. Lino tse sebelisoang ka bo-19660 li qapiloe ka bo-1960, empa li ile tsa ratoa ho 2000.
Li-lense e bobebe e bolokiloeng:Kaha likhomphutha e bile lisebelisoa tsa matlo ba ntlo ka bo-1980 (re sa bue li-tv pele tseo ka mor'a moo le li-smartphone tse sa tloaelehang. Ka ho sireletsa mahlo a hau ho lebone le kotsi le kotsi le tsoang lisenkeng,likhalase tse bobebe tse putsoae ka thusa ho thibela khatello ea maikutlo ea litsie le ho se phefumoloha ha hau oa boroko.
Haeba u na le lithahasello ho tseba mefuta e mengata ea lilense, ka kopo sheba maqephe a rona monahttps://www.unififoptical.com/stock-Lens/.