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1.59 Lilense tsa Optical tsa PC tse Tsoelang Pele tsa Photochromic Gray
Lense e fetolang mebala e itšetlehile ka molao-motheo oa photochromatic tautometry reversible, lense e ka fifala ka potlako tlas'a leseli le matla le khanya ea ultraviolet, e thibela leseli le matla le ho monya leseli la ultraviolet;Kamora ho khutlela lefifing, lense e khutlisetsa kapele boemo bo se nang 'mala le pepeneneng ho netefatsa phetiso ea lense.Ka hona, lense e fetolang mebala e loketse haholo bakeng sa ts'ebeliso ea kahare le kantle, haholo tikolohong ea kantle ho thibela khanya e matla, mahlaseli a kotsi a ultraviolet, mahlaseli a kotsi le tšenyo e 'ngoe ea mahlo, e loketseng ka ntle ho feta, mahlo a utloang ho hlasimolla leseli, ho fokotsa mokhathala oa mahlo. .Ka mor'a ho roala likhalase tse fetolang mebala, u tla bona ka tlhaho le ka boiketlo ka tlas'a khanya e matla, u qobe metsamao ea matšeliso e kang ho squinting, le ho fokotsa mokhathala oa mahlo le mesifa e pota-potileng mahlo.
