I-lens ye-Tint
Wonke amehlo adinga ukuvikelwa emisebeni evuthayo yelanga.Imisebe eyingozi kakhulu ibizwa ngokuthi i-ultra violet (UV) futhi ihlukaniswe izigaba ezintathu.Amaza amaza amafushane kakhulu, i-UVC amuncwa emkhathini futhi awafiki ebusweni bomhlaba.Ibanga eliphakathi nendawo (290-315nm), imisebe ye-UVB yamandla aphakeme ishisa isikhumba sakho futhi imuncwe i-cornea yakho, iwindi elikhanyayo eliphambi kweso lakho.Isifunda eside kunazo zonke (315-380nm) esibizwa ngokuthi imisebe ye-UVA, sidlulela ngaphakathi kweso lakho.Lokhu kuchayeka kuye kwaxhunyaniswa nokwakheka kwe-cataract njengoba lokhu kukhanya kudonswa ilensi yekristalu.Uma i-cataract isusiwe i-retina ezwela kakhulu ithola le misebe elimazayo. Ngakho-ke dinga ilensi yelanga ukuze uvikele amehlo ethu.
Ucwaningo lukhombisa ukuthi ukuchayeka isikhathi eside, okungavikelekile emisebeni ye-UVA ne-UVB kungaba nomthelela ekukhuleni kwamehlo abucayi.
izimo ezinjengama-cataract kanye ne-macular degeneration.Ilensi yelanga isiza ukuvikela ukuchayeka elangeni eduze kwamehlo okungaholela kumdlavuza wesikhumba, ulwelwesi kanye nemibimbi.Amalensi elanga nawo afakazelwe isivikelo esibonakalayo esiphephe kunazo zonke sokushayela futhi ahlinzeka ngekhwalithi engcono kakhulu
ukuphila kahle nokuvikelwa kwe-UV kwamehlo akho ngaphandle.
Isikhathi sokuthumela: May-06-2023