Today’s knowledge points How to make the lenses “thin, thinner and thinnest”?

Lintlha tsa tsebo ea kajeno Mokhoa oa ho etsa lilense "tse tšesaane, tse tšesaane le tse tšesaane"?

Joalokaha bohle re tseba, tekanyo ea myopia e tlaase, 'me mefuta e fapaneng ea lilense ho ea ho liforeimi e pharaletseng ho feta ea myopia e phahameng.Kahoo ho batho ba nang le myopia e phahameng, ke likhalase tsa mofuta ofe tse lokelang ho ba tse loketseng ka ho fetisisa bakeng sa bona?Kajeno, latela lebelo la mohlophisi, re nyolohele holimo 'moho.

1.Ke eng eo batho ba bangata ba myopic ba e batlang?

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Bothata bo boholo ka ho fetisisa ba myopia e phahameng ke hore matla a phahameng, lense e kholoanyane.Ka hona, motho e mong le e mong o batla hore lense e be tšesaane le e tšesaane ha e kopanya lense ea matla a phahameng.
Leha ho le joalo, tekanyo leha e le efe e na le botenya, 'me index e ntseng e eketseha ea refractive e fokotsa botenya bo itšetlehileng ka botenya ba lense ka boeona.Leha e na le lense ea 1.74, e tlameha ho ba tenya ho feta tekanyo e tlase.

2.U ka khetha likhalase joang bakeng sa myopia e phahameng?
Ke lumela hore motho e mong le e mong oa tseba hore bohareng ba lense bo teteaneng 'me mahlakoreng a tšesaane.Joale haeba u batla lense e tšesaane, u ka khetha lense ea 1.74.Ruri sena ha se bothata.Ke eng hape eo u ka e etsang ho fumana litholoana tse ntle?Mohlophisi o akarelitse mekhoa e 'maloa bakeng sa motho e mong le e mong,' me metsoalle e ka ba leka ha ba kopanya likhalase.

(a) Haeba u khetha foreimi ea acetate, botenya boo foreimi e ka bo thibelang bo tla ba botenya le ho bonahala bo le mosesaane, 'me foreimi ea acetate e ke ke ea hatella borokho ba nko ea hau hobane likhalase li boima haholo.

(b) Ho khetha foreimi e nyenyane ho tla thusa likhalase tsa kakaretso hore li shebahale li le mosesaane, hobane lilense li tšesaane bohareng le tse teteaneng ho pota-pota ka mahlakoreng, kahoo ho khetha foreimi e nyenyane ho tla etsa hore likhalase li shebahale li le mosesaane.

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(c) Nakong ea ts'ebetso, monghali o tla etsa sekhahla se senyenyane ho fokotsa botenya ba lense.Haeba angle ena e khaola haholo, selikalikoe se tšoeu se ka 'na sa eketseha,' me phello e fokolang e ke ke ea finyelloa haeba ho khaola ho fokotseha.E ka etsoa qeto ho latela khetho ea motho, 'me hoa khoneha ho bolella processor.
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Nako ea poso: Jul-22-2021
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