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U ka Thusa Bana Joang ho Khetha Para e Loketseng ea Likhalase tsa Bana?

DC Optical News Mokhoa oa ho Thusa Bana ho Khetha Para e Loketseng ea Likhalase tsa Bana

 

Thutong e tsitsitseng, ho boloka mekhoa ea mahlo a bana ho ba bohlokoa haholo nakong ena, empa pele ho moo, hore na bana ba seng ba ntse ba e-na le pono e khutšoanyane ba se ba ntse ba e-na le likhalase tse loketseng bakeng sa bona ho sebetsana ka katleho le mathata a sa tšoaneng a ho hōla le ho ithuta?

Ho bohlokoa haholo ho hlahloba optometry pele o kenya likhalase ka 'ngoe. Tshebetso e etsoa ho ea ka mekhahlelo e kangsebaka sa monocular interpupillary,bophahamo ba morutuwa ya monocular, dioptara, boemo ba axial ea astigmatism, e otlolohilengleliphapang tse rapameng tsa ntlha ea likhalase tsa optical center, lekamano pakeng tsa dioptara le foreimi. Optometry e nepahetse, likhalase li ka ba tse loketseng bana.

Ho ata ha lik'hamphani tsa liaparo tsa mahlo ka lebaka la tsoelo-pele ea theknoloji le ho eketseha ha batho ba nang le myopia ho ferekanya batsoali ba bangata ha ba khetha liaparo tsa mahlo, haholo-holo bakeng sa bacha bao mahlo a bona a ntseng a hōla le ho hōla. Bakeng sa ho lokisa pono esita le ho thibela pono, likhalase li bohlokoa haholo. Litaba tse kang ho phahama ho hoholo ha myopia ke tsa bohlokoa haholo.

Joale u ka khetha likhalase tse loketseng ngoana oa hau joang?

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◀Mabapi le khetho ea foreimi▶

  Ka mor'a optometry e hlokolosi, mohato o latelang ke likhalase.

Ho khetha foreime ha hoa lokela ho shebana feela le lithahasello tsa motho, empa e tlameha ho ba saense le ho utloahala ho latela lengolo la ngaka la optometry. Ka kakaretso, diopter, axis of astigmatism, interpupillary distance, angle ea ho roala likhalase, joalo-joalo. Lingaka tsa mahlo tse hloahloa li tla thusa ho khetha lintlha tsena.

① Mabapi le khetho ea foreimi

Ho khetha foreime ha hoa lokela ho shebana feela le lithahasello tsa motho, empa e tlameha ho ba saense le ho utloahala ho latela lengolo la ngaka la optometry. Ka kakaretso, diopter, axis of astigmatism, interpupillary distance, angle ea ho roala likhalase, joalo-joalo.

② Boholo ba foreimi

Khetha foreimi bakeng sa ngoana oa hau e ke keng ea e-ba kholo haholo kapa e nyane haholo. Haeba foreimi e le khōlō haholo, ho roala ha hoa tsitsa 'me likhalase li bonolo ho theoha. Hang ha likhalase li thella fatše, setsi sa optical sa lense se tla kheloha bohareng ba seithuti, se tla ama phello ea litšoantšo. Ha nako e ntse e ea, e ka ama ho teba ha myopia. Haeba foreimi e le nyenyane haholo, moeli oa moeli oa pono o tla thibeloa, 'me ho tla ba le libaka tse shoeleng, tse tla ama tšimo ea pono. Ka hona, leka ho khetha likhalase tse nang le foreimi e itekanetseng, ponahalo e loketseng, le bophahamo bo loketseng bakeng sa ntshetsopele ea borokho ba nko, e le ho etsa bonnete ba hore likhalase li ke ke tsa theoha.

③ Thepa ea foreimi

Boima bo bobebe, bo bolokehileng, 'me bo phutholohile ho apara ke lintlha tsa bohlokoa ha u khetha foreimi bakeng sa ngoana, e le ho qoba khatello e bakoang ke foreimi e feteletseng.

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◀Mabapi le khetho ea lense▶

① Ho roala ka lense

Ha re bue ka ho roala lense pele. Ho roala ka holim'a lense ho na le mesebetsi e mengata. Ka mohlala, e ka sireletsa lense, ea thibela li-scratches, ea lelefatsa bophelo ba tšebeletso ea lense; ntlafatsa phetiso ea leseli, 'me u bone lintho ka ho hlaka; e ka thibela ka katleho metsi le oli ho khomarela lense, ho etsa hore lense e hloekisoe habonolo. Ho na le mefuta e mengata ea litlolo tsa lense. Bakeng sa bana, seaparo se thibelang ho apara le ho thibela matheba se ka fana ka boiketlo bo bongata bakeng sa bana ho ithuta, ho ikoetlisa le ho ithabisa.

② lisebelisoa tsa lense

Lilense li arotsoe haholo ka lilense tsa khalase, lilense tsa resin, le lilense tsa PC ho latela lisebelisoa tsa tsona. Khetho ea pele bakeng sa likhalase tsa bana ke lilense tsa PC, tse tsejoang hape e le lilense tsa cosmic, tse boima bo bobebe le tse tšesaane, tse ka imollang khatello ea lilense borokho ba nko. Le hoja e le bobebe ebile e tšesaane, Filimi ea Cosmic e na le ts'ebetso e ntle ea ho hanyetsa, ts'ireletso e phahameng, boima bo matla 'me ha ho bonolo ho senya. Bana ba mahlahahlaha ebile ba mafolofolo, kahoo ke khetho e phethahetseng.

③ ts'ebetso ea lense

Lense ha ea lokela ho fana ka pono e hlakileng le e phutholohileng feela, empa hape e na le phello e ntle ea taolo ea myopia, e ka thusang bana ho liehisa tsoelo-pele ea myopia le ho fokotsa monyetla oa ho ba le myopia e phahameng. Hobane bana ba le sethaleng sa kholo le nts'etsopele, tekanyo ea myopia e tla eketseha selemo le selemo ka lilemo.

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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: Aug-04-2023