Apara likhalase, lense ea multifarious e lokela ho khetha joang?

Anti blue light lens, dyed lens, colorchange lens, polarized lens, sun lens...... Lense e teng 'marakeng e na le mefuta e mengata, e fapa-fapaneng, ea lintho tse bonahalang le ts'ebetso e fapane, khetha lense e lumellanang le uena ho lumella batho ba bangata hore ba thatafale. .Lilense tsee li na le tšebetso efe?Ba sebetsa ho lihlopha life?Bana le bacha ba lokela ho khetha joang?

lense

Leseli le leputsoa le ka susumetsa nts'etsopele ea li-eyeballs.Ha e khothalletsoe ho roala likhalase tse khanyang tse khahlanong le boputsoa ka nako e telele.Likhalase tse khanyang tse khahlanong le boputsoa li ka monya kapa tsa thibela khanya e boputsoa ba maqhubu a makhutšoane e bakang retinopathy, e le ho fokotsa khanya e putsoa e kenang ka leihlong le ho thibela mafu a retina a bakoang ke khanya e putsoa.E boetse e fokotsa ho hasana, ho lumella lintho hore li hlahe ka ho hlaka ho retina le ho fokotsa khatello ea mahlo.

Empa likhalase tse thibelang boputsoa feela li ke ke tsa thibela myopia, ’me ho sheba skrine ka nako e telele le hona ho ka baka mokhathala.Ho feta moo, leseli le leputsoa le phetha karolo ea bohlokoa le e ntle ho nts'etsopele ea li-eyeballs tsa bana, 'me ho hlokahala tekanyo e itseng ea khanya e putsoa ho susumetsa khōlo ea mahlo a bana le bacha.

Ha ho khothalletsoe hore bana le bacha ba roale likhalase tse mebala-bala ka tlung.Likhalase tse peli tse fetolang mebala le likhalase tse silafalitsoeng li ka bitsoa "likhalase tsa letsatsi tse nang le likhato," e leng lihlahisoa tse tloaelehileng tsa likhalase tsa myopia.Hoa lokela ho hlokomeloa hore lilense tse silafalitsoeng li na le tekanyo e itseng, kahoo liforeimi tse kholo haholo ha lia lokela ho khethoa.Liforeimi tse kholo haholo li ke ke tsa baka litšepe tse teteaneng tsa lense feela le litšila tse sa lekanang, empa hape li baka pherekano ho ea li roetseng.

Ho feta moo, lilense tse silafalitsoeng li ka fokotsa kakaretso ea khanya e kenang ka leihlong, e leng se amang phetiso ea lense.Ha lense e le lefifi, lintho tse kantle li ntse li le lefifi.Ka hona, ho molemo hore u se ke ua roala likhalase tse silafetseng ka tlung, 'me ho hlokahala hore u khethe lilense tse silafalitsoeng tse lefifi bakeng sa ho apara ka ntle.

Lilense tse fetolang mebala li loketse haholo batho ba nang le likhato tse tlase mme ha ba na phapang e ngata lipakeng tsa mahlo a mabeli.Lilense tse ngata tse fetolang mebala li itšetlehile ka matla a leseli la ultraviolet ho hokahanya mokhoa oa ho fetola mebala.Ka ntle, lilense li ikamahanya le liphetoho tsa UV, ho tloha ho lilense tse bonaletsang kapele ho ea ho lilense tse lefifi;Ka tlung, matla a mahlaseli a kotsi aa fokotseha 'me lilense li khutlela ho tloha lefifing ho ea ho pepeneneng.Haeba tekanyo ea myopia e le khōlō haholo, lense e tšesaane bohareng, e teteaneng ka bohale, e bobebe bohareng le e lefifi ho pota-potile 'mala.Phapang ea degree ea mahlo a mabeli e kholo haholo, hoo e ka bang likarolo tse peli tsa botebo ba mebala le tsona li ka fapana, tsa ama botle.Ho phaella moo, likhalase tse fetolang mebala li sebelisoa ka nako e telele, 'mala oa bokamorao o tla ba o hlakileng haholoanyane, o ama ponahalo, kahoo o hloka ho nkeloa sebaka lilemo tse ling le tse ling tse peli.

Likhalase tsa polarized le likhalase tsa letsatsi li loketse mesebetsi ea ka ntle e kang ho khanna, ho tšoasa litlhapi le ski.Lense ea polarizing e eketsa lesela la polarizing filthara, e ka sefa leseli le phatsimang le khanya e hasaneng, e na le mosebetsi oa ho fokotsa khanya, e ka fokolisa khanya e matla, ea etsa hore sebaka sa pono se hlake haholoanyane.Khalase ea letsatsi ke leihlo "sekoahelo sa letsatsi", se ka monya kapa sa reflex khanya e ngata, sa fokotsa khanya e kenang ka leihlong, sa fokotsa maikutlo a sa phutholohang a leihlo, phello ea bohlokoa ka ho fetisisa ke ho thibela mahlaseli a ultraviolet, ho thusa leihlo ho fokotsa mahlo. ho etsahala ha lefu.

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Nako ea poso: Jun-02-2022