Rashin fahimta 1:
Duk tabarau suna jure 100% UV
Bari mu fara fahimtar hasken ultraviolet. Tsayin hasken ultraviolet yana ƙasa da 400 uv. Bayan an fallasa ido, zai lalata cornea da retina, wanda zai haifar da keratitis na hasken rana da kuma lalacewar endothelial na corneal. Gilashin tabarau masu inganci ya kamata su iya sha ko nuna hasken ultraviolet don hana bayyanar idanu.
Gilashin tabarau tare da aikin anti-ultraviolet gabaɗaya suna da hanyoyi da yawa bayyane:
1. Alama "UV400":
Yana nufin cewa keɓewar ruwan ruwan tabarau zuwa haskoki na ultraviolet shine 400nm, wato, matsakaicin ƙimar watsawar sa ta gani a zangon da ke ƙasa da 400nm ba zai iya zama sama da 2%.
2. Alama "UV", "Kariyar UV":
Yana nuna cewa toshe tsawon ruwan tabarau akan hasken ultraviolet shine 380nm.
3. Alama "100% UV sha":
Yana nufin cewa ruwan tabarau yana da 100% sha na ultraviolet haskoki, wato, matsakaicin watsawa a cikin kewayon ultraviolet bai wuce 0.5% ba. aikin kariya daga haskoki na ultraviolet a ma'anar gaskiya.
Rashin fahimta 2:
Gilashin tabarau sun fi na talakawa kyau
Abin da ake kira polarized tabarau, ban da ayyukan tabarau, yana iya raunana da toshe ɓarna.
haske mai haskakawa, haske, abubuwan da ba daidai ba na abubuwa, da dai sauransu, kuma su wuce layin watsa na madaidaiciyar hanya zuwa ga
ido don hangowa da sanya hangen nesa mai wadatar Matakai, hangen nesa ya fi bayyana kuma ya fi na halitta. Polarizers gabaɗaya
dace da ayyukan waje kamar tuƙi, kamun kifi, tuƙi, rafting na farin ruwa, da skiing.Kamar launi na
ruwan tabarau na polarizer gabaɗaya sun fi duhu, ba lallai ba ne a saka su a cikin ranakun girgije ko cikin gida. Ya kamata ku zaba
wasu tabarau na yau da kullun don kare idanunku daga haskoki na ultraviolet.
Lokacin aikawa: Oktoba-22-2021