Ho fapana le likhalase tsa letsatsi tse tloaelehileng kapa lilense tsa photochromic tse fokotsang khanya feela, lilense tsa UV400 li sefa mahlaseli 'ohle a khanya ka maqhubu a bolelele ba li-nanometer tse fihlang ho 400. Sena se kenyelletsa khanya e putsoa ea UVA, UVB le khanya e putsoa e bonahalang e nang le matla a mangata (HEV).
Hore digalase tsa UV di nkuwe e le tsa bohlokwa, dilense di lokela ho thibela 75% ho isa ho 90% ya lesedi le bonahalang mme di lokela ho fana ka tshireletso ya UVA le UVB ho thibela 99% ya mahlaseli a ultraviolet.
Ha e le hantle, o batla likhalase tsa letsatsi tse fanang ka tšireletso ea UV 400 kaha li fana ka tšireletso e ka bang 100% mahlaseling a UV.
Hlokomela hore ha se likhalase tsohle tsa letsatsi tse nkoang e le likhalase tsa letsatsi tse sireletsang mahlaseli a kotsi a UV. Para ea likhalase tsa letsatsi e ka ba le lilense tse lefifi, e leng se ka nahanoang hore se thibela mahlaseli a kotsi, empa seo ha se bolele hore mebala e fana ka tšireletso e lekaneng ea mahlaseli a kotsi a kotsi a UV.
Haeba likhalase tsa letsatsi tse nang le lilense tse lefifi li sa kenyeletse tšireletso ea mahlaseli a kotsi a UV, mebala eo e lefifi e mpe haholo mahlong a hau ho feta ho se apare lieta tse sireletsang mahlo ho hang. Hobaneng? Hobane 'mala o lefifi o ka etsa hore mahlo a hao a bulehe, a pepesetse mahlo a hao khanyeng e eketsehileng ea mahlaseli a kotsi a UV.
Nka tseba joang hore likhalase tsa ka li na le tšireletso ea mahlaseli a kotsi a UV?
Ka bomalimabe, ha ho bonolo ho bona hore na likhalase tsa hau tsa letsatsi kapa lilense tsa photochromic li na le lilense tse sireletsang mahlaseli a kotsi a UV ka ho li sheba feela.
Hape o ke ke wa kgona ho kgetholla bongata ba tshireletso ho latela mmala wa lense, kaha mebala ya lense kapa lefifi ha di amane le tshireletso ya UV.
Ntho e molemohali eo u ka e etsang ke ho isa likhalase tsa hao lebenkeleng la mahlo kapa litsi tsa liteko tsa litsebi. Ba ka etsa teko e bonolo likhalaseng tsa hao ho fumana hore na tšireletso ea mahlaseli a kotsi a kotsi ke bokae.
Kapa khetho e bonolo ke ka ho shebana le moetsi ea tsebahalang le ea nang le boiphihlelo joalo ka UNIVERSE OPTICAL, ebe o khetha likhalase tsa letsatsi tsa UV400 tsa 'nete kapa lilense tsa photochromic tsa UV400 leqepheng.https://www.universeoptical.com/1-56-aspherical-uv400-q-active-material-photochromic-lens-product/.