Imisebe ye-ultraviolet evela elangeni inokubangela umonakalo okwenyukayo emehlweni akho njengoko uneminyaka yobudala - kodwa unokukhusela umbono wakho ngokugqoka izibuko zelanga zonke, nakwiimozulu zezulu. Nantsi oku kufuneka ukwazi malunga nokukhetha izibuko zokukhanya, ukukhusela i- cataract kunye neminye ingxaki yeeyame ngokuhamba kwesikhathi.
UV Radiation kunye neJong eliguga
Njengoko sikhula, amehlo ethu angaguquki ngokwenyama engabangela iingxaki zombono kunye nezifo zamehlo ezinjengobudlelwane obudala be-macular kunye ne- glaucoma .
Ukukhanya kwe-Ultraviolet ukusuka elangeni kuthwala iindidi ezimbini zeemitha, i- UVA , kunye ne-UVB imisebe (nto leyo ebangela ukuba isithombe se-photoaging kunye ne-wrinkling yolusu lwethu). Ekubeni ukukhanya kwe-UV kuthatha amandla angaphezulu kunokukhanya okubonakalayo, kunokukwenza umonakalo omkhulu emehlweni ethu. Njengoko sikhulile, umonakalo unokufumana ixesha elide lokuqokelela: i-cataract (i-cloudiness ye-lens) umzekelo, ikholelwa ukuba ibangelwa yiminyaka emininzi yokukhanya kwelanga.
Izibuko zelanga ezilungiselelwe ukuvimba i-100% ye-UVVA kunye ne-UVB imimandla iya kukhusela amehlo akho kulo monakalo ophezulu.
Ngaba Ingxaki Yobumnyama Ubumnyama?
Nangona iilensi zamnyama zibonakala zinokukhusela ngakumbi, ubumnyama i-lens ithinta kuphela ukukhanya okubonakalayo, kungekhona ukukhanya kwe-ultraviolet.
UNatalie Hutchings, uNjingalwazi onxulumene neYunivesithi yase-Waterloo ye-Optometry kunye neScience Vision, uthi ama-lenti amnyama angabangela ukuba umfundi welihlo lakho akhululeke ukuvumela ukukhanya ngakumbi, okwenza ukukhuselwa kwe-UV kubaluleke nakakhulu.
"Udidi lobumnyama kunye nombala wecala okanye i-tint akuzona izinto ezikhusela amehlo akho," utshilo. "Kubalulekile ukukhetha iilazi ezivimba i-100% yonke i-UV light, zombini i-UVA kunye ne-UVB. Ukukhusela kungabakho umsebenzi wezinto eziglasi, ezenziwe ngongqinisiso, okanye i-lens - nakwii-lens ngaphandle kombala okanye u-tint nhlobo.
Kuyi-100% ye-UV yokucima kufuneka ukhangele kwilebula, kuba awukwazi ukuxelela ukuba unayo, ngokujonga iiglasi. "
Iingcebiso zokukhetha iIzibuko eziLungileyo zokuKhusela iiCataracts kunye nezinye iIso
Ngokutsho kwe-American Academy ye-Ophthalmology (AAO), izibuko eziphambili zibonelela:
- 100% UV ukhuseleko
- Umgangatho ophezulu ophezulu (ii-lens zikhululekile eziphene zokuvelisa ezifana nezibhulu okanye amaza anokukhathaza amehlo akho
- Iilensi ezinganyangekiyo
- Isakhelo esikhulu esinikela ngokubanzi ukukhanya kwendawo yamehlo
Ukongezelela, khetha izibuko zokukhanya ezizinzileyo kwaye ulungele ubuso bakho ngokufanelekileyo, kuba uya kuba nethambekele ngakumbi ekuziseni. I-Hutchings ibonisa ukuba abantu abadala abadala banokukhetha amafayili amakhulu amakhulu, alula ukujongana neminwe ye-arthritic.
Ukusebenza kweeLensi eziPolisa
I-Hutchings ithi ii-lens ezigqithisiweyo zisebenza ngokukhanya okubonakalayo (kungekhona imitha ye-UV), ngokukhupha ngaphandle kokukhanya okubonakalayo okubonakaliswa kwendawo engqambileyo njengekhephu, amanzi okanye indlela eshushu. Cinga iilensi ezigqithisiweyo xa usuqaqa, phila kufuphi namanzi, okanye ufumane ukhululekile xa uqhuba. Ngelixa iilensi zihlala zibiza kakhulu, unokufumana ukuba ukhetha kuzo njengoko ukhula.
Xa Kufuneka Ugqoke Izibuko Zesiko Ukukhusela Amehlo Akho
I-AAO isincoma ukugqoka izibuko zokukhanya kwantoni nanini na xa uphandle, ngokukodwa ehlotyeni, xa izinga le-UV radiation liphindwe kathathu lenye ihlandlo zonyaka.
Ukongeza, kufuneka uqaphele ukugqoka izibuko zelanga xa uphantsi kwamanzi okanye kwikhephu, xa kukhanya imilayezo ekhanyayo.
Abantu abadala bakudala banokufumanisa ukuba kufuneka badandwe izibane zokukhanya kwamaxesha amaninzi kunokuba bebenjalo, uthi uNatalie Hutchings, kuba ukukhanya okugqithisa kwi-cornea kunye ne-lens kubonakala kukhulu kwiqondo lokuguga. Oku kutshabalalisa kunokuphazamisa nokucaphukisa, kodwa kuncitshiswa ngokusetyenziswa kwezibuko zelanga, ngokukodwa ezinkulu ezivimba ukukhanya okuvela kumacala.
Ukugqoka izibuko zokukhanya emva kweCataract
Ngethuba lokuhlinzwa , i-lens entsha ye-intraocular (i-IOL) ifakwe kwisithuba se-lens ubudala.
Uninzi lwama-intraocular lens ngoku lubamba ukukhanya kwe-UV. Ukuba unesifo sokuguqulwa kwe-cataract ngexesha elithile elidlulileyo, i-lens yakho ayinakufumana ukukhanya kwe-UV, kwaye kufuneka ugqoke izibuko zelanga ezikhuphayo. I-AOO incomela nokuba abantu abane-lens-absorbing lenses emva kokuhlinzwa ngokugqithisileyo banxibe izibane zokukhusela.
Ezinye iindlela zokukhusela amehlo akho kwiLanga
Izibuko zelanga zibonelela nje enye indlela yokukhusela amehlo asebegugile. I-Health Canada kunye nezinye i-arhente zicebisa ngokugqithisa i-visor okanye i-hat-brimmed hat xa ungaphandle kwaye ugweme amaxesha ekhanyayo nelanga kakhulu, njengeentsuku zasehlobo phakathi kweeyure ezili-11 ukuya kwe-4 ntambama (xa i- index ye - UV iphezulu ).
Imithombo
Ukuguga kunye Namehlo Akho. ISiko leSizwe sase-US kwiNgcaciso yeSizwe yolwazi.
Natalie Hutchings. Unjingalwazi onxulumene, iSikole se-Optometry neSiboniso seNzululwazi, iYunivesithi yaseManziloo. Udliwano-ndlebe oluqhutywe ngefowuni Meyi 21, 2013.
Iimvaneli. Impilo yeKharityhulam Canada.
Izibuko Zesiko: Ukukhuselwa kwi-Eye Eye Damage. I-American Academy ye-Ophthalmology Information Sheets Sheet.