Ho se utloisisane 1:
Likhalase tsohle tsa letsatsi li hanyetsa UV ka 100%.
A re qaleng ho utloisisa leseli la ultraviolet. Bophahamo ba maqhubu a khanya ea ultraviolet bo ka tlase ho 400 uv. Ka mor'a hore leihlo le hlahisoe, le tla senya cornea le retina, e leng se hlahisang keratitis ea letsatsi le tšenyo ea corneal endothelial.Likhalase tsa mahlaseli tsa boleng bo phahameng li lokela ho khona ho monya kapa ho bonahatsa mahlaseli a ultraviolet ho thibela ho pepeseha ha mahlo.
Likhalase tse nang le anti-ultraviolet hangata li na le mekhoa e 'maloa e hlakileng:
1. Tšoaea “UV400″:
Ho bolela hore bolelele ba ho itšehla thajana ba lense ho ea ho mahlaseli a ultraviolet ke 400nm, ke hore, boleng bo phahameng ba phetisetso ea eona ea spectral ka leqhubu le ka tlase ho 400nm e ke ke ea ba kholo ho feta 2%.
2. Tšoaea "UV", "Tsireletso ea UV":
E bontša hore bolelele bo thibelang ba lense khahlanong le mahlaseli a ultraviolet ke 380nm.
3. Tšoaea "100% ea ho monya UV":
Ho bolela hore lense e monya mahlaseli a ultraviolet ka 100%, ke hore, karolelano ea phetisetso ea mahlaseli a kotsi ha e fete 0.5%.Ka kakaretso, ke ba nang le matšoao a boletsoeng ka holimo feela ba ka nkoang e le likhalase mosebetsi o sireletsang khahlanong le mahlaseli a ultraviolet ka kutloisiso ea 'nete.
Ho se utloisisane 2:
Likhalase tsa mahlaseli tsa polarized li molemo ho feta likhalase tse tloaelehileng
Likhalase tse bitsoang polarized sunglasses, ntle le mesebetsi ea likhalase, li ka fokolisa le ho thibela bohlasoa.
khanya e bonts'a, khanya, likhase tse sa tloaelehang tsa lintho, joalo-joalo, 'me e fetisetsa tsela e nepahetseng ho ea tseleng.
leihlo la ho bona ka mahlo a kelello le ho etsa hore pono e be le Maemo a ruileng, pono e hlakile haholoanyane le ea tlhaho. Li-polarizers hangata li joalo
e loketseng mesebetsi ea ka ntle e kang ho khanna, ho tšoasa litlhapi, ho tsamaea ka sekepe, whitewater rafting, le skiing.Joaloka 'mala oa
lilense tsa polarizer hangata li lefifi, ha ho hlokahale hore li apare matsatsing a maru kapa ka tlung. U lokela ho khetha
likhalase tse ling tse tloaelehileng ho sireletsa mahlo a hau mahlaseling a ultraviolet.
Nako ea poso: Oct-22-2021