Lehlabuleng le chesang, mahlaseli a ultraviolet a tla matlafala. Motheong oa mokhathala, mahlo a tla boela a tobane le phephetso ea mahlaseli a ultraviolet. Mahlaseli a matla a ultraviolet ka linako tse ling a ka baka likotlo tse "senyang" mahlong.
Mahlaseli a ultraviolet a ka baka kotsi e kae mahlong a rona? Solar ophthalmia, eo hangata re utloang ka eona, ke tšenyo e mpe ea mahlo e bakoang ke khanya e matla ea letsatsi. Ka mor'a maru, holim'a metsi a khutsitseng, kapa libaka tse kholo tsa lehloa li bonahatsa letsatsi, cornea ea karolo e ka ntle ea leihlo e chesoa ke mahlaseli a kotsi. Mahlo a tla utloa bohloko bo boholo, ho omella, meokho, ho utloa 'mele osele oa lehlohlojane, tšubuhlellano ea conjunctival, edema, joalo-joalo. Khanya e matla haholo ea letsatsi e ka boela ea baka mafu a sa foleng a mahlo a kang cataracts, macular degeneration, pterygium, chronic conjunctivitis, joalo-joalo. Hoa hlokahala ho ba le likhalase tsa letsatsi lehlabula !!
Karolo ea likhalase tsa letsatsi
01 Thibela ho pepesehela mahlaseli a kotsi a letsatsi
Mosebetsi o ka sehloohong oa likhalase tsa letsatsi ke ho thibela mahlaseli a ultraviolet mahlaseli a letsatsi ho baka tšenyo mahlong. Ha mahlo a pepesehetse khanya e ngata haholo, ka tlhaho iris e tla honyela ho fokotsa khanya e kenang, empa ha matla a khanya a feta matla a mahlo a motho a ho ikamahanya le maemo, e tla senya retina. Likhalase tsa letsatsi li ka sefa ho fihla ho 97% ea leseli le kenang ka leihlong, kahoo li qoba tšenyo ena. Ho phaella moo, likhalase tsa letsatsi li ka thibela eseng feela mahlaseli a ultraviolet empa hape le mahlaseli a infrared, a sireletsang mahlo hore a se ke a senyeha.
02 Thibela kgahlamelo ya kganya
O mong oa mesebetsi ea mantlha ea likhalase tsa letsatsi ke ho thibela ho pepeseha ha khanya. Libaka tse ling, tse kang metsi, li ka bonahatsa khanya e ngata, e leng se bakang boikutlo bo matla ba ho benya. Lehlaseli lena le ka senya pono kapa la etsa hore lintho li bonahale li le lerootho. Lilense tse nang le polarized li ka felisa khanya ena ka katleho. Sebaka sa polarizing se bohareng ba lense se ka thibela mefuta eohle ea leseli le sa sebetseng, sa fetola leseli hore e be leseli le ts'oanang ho kena mahlong, ka tsela eo e ntlafatsa ho hlaka ha pono.
03 Thibela moea le lehlabathe
Likhalase tsa letsatsi li phetha karolo ea bohlokoa ho thibela moea le lehlabathe. Ha batho ba le tikolohong e nang le moea le lehlabathe, lilense tsa likhalase tsa letsatsi li ka thibela ka katleho lehlabathe le fofang le ho fokotsa ho teneha le ho senyeha ha mahlo ho bakoang ke likaroloana tsa lehlabathe. Ho phaella moo, hangata liforeimi tsa likhalase tsa letsatsi li etselitsoe hore li tiee, e leng se ka thibelang le ho feta hore moea le lehlabathe li se ke tsa hlasela mahlo. Ka hona, maemong a leholimo a moea le a lehlabathe kapa mesebetsi ea ka ntle, ho roala likhalase tsa letsatsi ha ho thuse feela ho sireletsa mahlo moeeng le lehlabatheng empa hape ho ntlafatsa boiketlo ba pono.
Mokhoa oa ho khetha likhalase tsa letsatsi ka nepo
Ho roala likhalase tsa letsatsi kapa likhalase tsa letsatsi ho hloka ho li roala setsing sa mahlo sa sepetlele. Ho khetha likhalase tse u loketseng ho ke ke ha finyella morero oa botle feela empa hape ho fokotsa mahlaseli a ultraviolet letsatsing, ho etsa hore mahlo a phutholohe le ho tšoarella. Tšebeliso ea likhalase kapa likhalase tsa letsatsi li lokela ho etsoa tlas'a tataiso e nepahetseng ea lingaka tsa mahlo ho qoba tšenyo ea mahlo ka lebaka la ho se nepahale.
Kahoo, ha re shebane le mefuta e mengata ea likhalase tsa letsatsi, re lokela ho khetha joang? Hoa hlokahala ho lokisa likhalase tsa letsatsi lehlabuleng, empa haeba u khetha para ea likhalase tsa letsatsi tse tlaase, e ke ke ea hlōleha feela ho hanela mahlaseli a ultraviolet empa e tla boela e atolose bana le ho etsa hore lense ea mahlo e monye mahlaseli a mangata a ultraviolet. Ka hona, ha u khetha likhalase tsa letsatsi, motho o lokela ho ela hloko bophelo bo botle le mokhabiso. Ka kakaretso, re ke ke ra tseba ka mahlo hore na likhalase tsa letsatsi li na le tšebetso ea anti-ultraviolet. Letšoao la sehlahisoa ke sesupo sa hore bareki ba reke likhalase tsa letsatsi. Baahi ba ka bona li-logos tse kang “UV400” le “Thibela mahlaseli ’ohle a ultraviolet” lileiboleng tsa lihlahisoa tse ling le karolong e ka pele ea likhalase.” Litsebi li etsa tlhahiso ea hore e le ho sireletsa bophelo bo botle ba mahlo, u lokela ho khetha likhalase tsa letsatsi tse nang le tšireletso ea UV ho tlosa mahlaseli a kotsi a ka tlaase ho 380nm ka hohle kamoo ho ka khonehang.
Lilense li lokela ho ba tse putsoa, tse sootho kapa tse tala.
Lilense tse sootho li khona ho monya pherese le boputsoa khanyeng, li batla li monya karolo ea 100% ea mahlaseli a ultraviolet le a infrared, 'me 'mala o bonolo o etsa hore mahlo a se ke a khathala; lilense tse putsoa li khona ho monya mahlaseli a infrared le boholo ba mahlaseli a ultraviolet ntle le ho fetola' mala oa pele oa sebaka seo; 'Mala oa lense o lokela ho khethoa ho latela molao-motheo oa hore 'mala oa tikoloho ha o sothehe, mathoko a lintho a hlakile,' me mebala e fapaneng ea mabone a sephethe-phethe e ka tsejoa ka katleho Lithuto li fumane hore leseli le leputsoa le ka lematsa mahlo a batho, 'me lilense tse putsoa ha li khone ho sefa leseli le leputsoa ka khanya ea letsatsi. matla a ho thibela leseli, empa ha ho bolele hore matla a ho thibela mahlaseli a ultraviolet a matla. 'Mala oa lense ea likhalase ka kakaretso ke botebo bo bohareng, ho seng joalo, ho thata ho khetholla' mala oa lebone la sephethephethe.
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: Sep-02-2024