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OFFSEE: Ho ba Mahlo a Hao Chaena

KE HOBANE’NG HA HO LE BOHLOKOA HORE BANA BA Apare LIKHALASE?

Esita le mariha, letsatsi le ntse le khanya haholo.

Le hoja letsatsi le le molemo, mahlaseli a ultraviolet a etsa hore batho ba tsofale. E ka ’na eaba ua tseba hore ho pepesehela mahlaseli a kotsi ho feta tekano ho ka potlakisa ho tsofala ha letlalo, empa mohlomong ha u tsebe hore ho pepesehela mahlaseli a kotsi ho feta tekano ho ka eketsa kotsi ea mafu a mang a mahlo.

Pterygium ke lesela le lepinki, le nang le linama la kgutlotharo le melang cornea. E ka ama pono ka ho teba. Ho fumanoe hore pterygium e tloaelehile haholo ho batho ba lulang ka ntle nako e telele, ba kang batšoasi ba litlhapi, batšoasi ba litlhapi, batho ba chesehelang ho palama maqhubu le ho thelelisa lehloeng.

Ho feta moo, ho pepeseha ha ultraviolet ho feteletseng ho tla eketsa kotsi ea ho tšoaroa ke lera le mofetše oa mahlo. Le hoja ho hlaha ha mafu ana e le nako e telele, hang ha a hlaha, a tla beha bophelo bo botle ba mahlo kotsing.

Ka makhetlo a mangata, re khetha ho roala likhalase tsa letsatsi ka lebaka la khanya ea letsatsi, empa joaloka setsebi sa ophthalmologist, ke tšepa ho tsebisa bohle: ho roala likhalase ha ho re thibele feela ho ikutloa re le letsatsing, empa ho bohlokoa le ho feta, ho ka fokotsa mahlaseli a kotsi Ho senya mahlo.

Bongata ba rona batho ba baholo re na le tloaelo ea ho roala likhalase tsa letsatsi. Na bana ba hloka ho roala likhalase tsa letsatsi? Bo-’mè ba bang ba ka ’na ba bona lingaka tse tsebahalang tsa bana li ba bolella hore le ka mohla ba se ke ba li sebelisalikhalase tsa letsatsi tsa bana, hobane le tse tsoang kantle ho naha ha lia bolokeha. na see ke 'nete?

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American Academy of Optometry (AOA) e kile ea re: Likhalase tsa letsatsi ke tlhokahalo ho batho ba lilemo leha e le life, hobane mahlo a bana a na le matla a ho phunyeletsa ho feta batho ba baholo, ’me mahlaseli a ultraviolet a fihla ho retina habonolo, kahoo likhalase tsa letsatsi li bohlokoa haholo ho bona.

Kahoo ha se hore bana ha ba khone ho roala likhalase tsa letsatsi, empa ba hloka ho li roala ho feta batho ba baholo.

Nakoana ka mor'a hore ngoana oa ka a hlahe, ke ile ka ba hlokolosi haholo mabapi le ho sireletsa mahlo a hae. Ha hangata ke ntša bana ba ka, batho ba baholo le bana ba lokela ho roala likhalase tsa letsatsi ka nako e le ’ngoe. Ntle le ho sireletsa mahlo, mefuta eohle ea "E ntle haholo!" “Ho lokile!” dithoko ha di fele. Bana ba phetse hantle ’me ba thabile, joale hobane’ng?

Joale u lokela ho khethela bana ba hao likhalase tsa letsatsi joang? Re ka sheba lintlha tse latelang:

1. Sekhahla sa ho thibela UV
Khetha likhalase tse thibelang 100% ea mahlaseli a UVA le UVB bakeng sa tšireletso e phahameng ea UV. Ha u reka likhalase tsa letsatsi tsa bana, ka kopo khetha moetsi oa kamehla 'me u ele hloko hore na peresente ea tšireletso ea UV ho litaelo ke 100%.

2. 'Mala oa lense
Bokhoni ba tšireletso ea UV ea likhalase tsa letsatsi ha bo amane letho le 'mala oa lilense. Ha feela lilense li ka thibela 100% ea mahlaseli a letsatsi a UV, u ka khetha 'mala oa lense ho latela khetho ea ngoana oa hau. Leha ho le joalo, lipatlisiso tsa morao-rao li bontša hore ho pepeseha ha nako e telele ho khanya e bonahalang e matla, e tsejoang hape e le "leseli le leputsoa", le eona e ka baka tšenyo ea mahlo. Ka hona, ha u khetha 'mala oa lense, u ka nahana ka ho khetha lilense tsa amber kapa tsa koporo ho thibela leseli le leputsoa. .

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3. Boholo ba lense
Likhalase tse nang le lilense tse kholo li ke ke tsa sireletsa mahlo feela, empa hape li sireletsa mahlo a mahlo le letlalo le pota-potileng mahlo, kahoo ho molemo ho khetha likhalase tse nang le lilense tse kholoanyane.

4. Lisebelisoa tsa lense le foreimi
Kaha bana ba mahlahahlaha ba bile ba le mahlahahlaha, likhalase tsa bona tsa letsatsi li lokela ho finyella litekanyetso tsa lipapali, ’me ho lokela ho khethoa lilense tse sireletsehileng tsa resin ho e-na le lilense tsa khalase. Foreimi e lokela ho tenyetseha le ho kobeha habonolo ho etsa bonnete ba hore likhalase li lekana hantle sefahlehong.

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5.Ka lihlopha tsa elastic
Kaha ho nka nako hore bana ba tloaele ho roala likhalase tsa letsatsi, rekerese e thusa ho boloka likhalase tsa letsatsi li le lifahlehong tsa bona le ho ba thibela ho lula ba li tlosa ka lebaka la bohelehele. Haeba ho khoneha, khetha foreimi e nang le litempele tse feto-fetohang le marapo a rekere e le hore ha lesea le feta likhalase tsa letsatsi 'me le se le sa li hulela fatše, litempele li ka nkeloa sebaka.

6. Bana ba nang le mathata a refractive
Bana ba roala likhalase bakeng sa pono e haufi kapa ea ho bonela hōle ba ka khetha ho roala lilense tse fetolang mebala, tse shebahalang joaloka likhalase tse tloaelehileng ka tlung empa ka botsona li tla fifala letsatsing ho sireletsa mahlo a bana.

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Mabapi le mokhoa, ho bana ba baholo, ho molemo ho ba lumella ho khetha mokhoa oo ba o ratang, hobane bana bao batsoali ba ba ratang ba ka 'na ba se ke ba o rata. Ho hlompha khetho ea bona ho tla etsa hore ba ikemisetse ho roala likhalase tsa letsatsi.

Ka nako e ts'oanang, re lokela ho hopotsoa hore tšenyo e bakiloeng ke khanya ea letsatsi mahlong ha e hlahe feela ka matsatsi a letsatsi nakong ea selemo le lehlabula, empa e ka boela ea etsahala matsatsing a maru nakong ea hoetla le mariha, hobane khanya ea letsatsi e ka feta har'a moholi le maru a mosesaane, kahoo neng kapa neng ha u etsa mesebetsi ea ka ntle Hopola feela ho roala likhalase tsa UV tse thibelang mahlaseli a kotsi le katiba e bophara bo boholo.

Qetellong, re boetse re hloka ho tseba hore mantsoe ha a monate joaloka mantsoe le liketso. Batsoali ba roala likhalase tsa letsatsi ha ba tsoa, ​​tse sa itšireletseng feela, empa hape li behela bana ba bona mohlala o motle le ho ba tataisa ho hlaolela mokhoa o motle oa ho roala likhalase ho sireletsa mahlo a bona. Ka hona, ha u ntša bana ba hao ka liaparo tsa motsoali le ngoana, u ka roala likhalase tse ntle tsa letsatsi hammoho.

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: Dec-09-2023