1) Zonke izibuko zelanga ziyi-anti-ultraviolet.Akuzona zonke izibuko zelanga ezine-anti-ultraviolet.Uma ugqoka “izibuko zelanga” ezingezona i-ultraviolet, amalensi amnyama kakhulu.Ukuze ubone izinto ngokucacile, abafundi bazokhula ngokwemvelo, futhi imisebe ye-ultraviolet eyengeziwe izongena emehlweni futhi amehlo azothinteka.Ukulimala, ubuhlungu beso, i-corneal edema, ukuchithwa kwe-corneal epithelial nezinye izimpawu zivela, kanye ne-cataract kungenzeka futhi ngokuhamba kwesikhathi.Lapho uthenga, kufanele uhlole ukuthi zikhona yini izimpawu ezinjengokuthi “UV400″ kanye “nokuvikelwa kwe-UV” ephaketheni.
2) Khetha amalensi ampunga, ansundu naluhlaza
3) Ilensi yokujula okumaphakathi
Isikhathi sokuthumela: Oct-29-2021