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1.56 Semi Yapera Bifocal Mufananidzo grey optical lenzi
Kazhinji, magirazi anochinja mavara emyopia haangounze kurerukirwa uye runako chete, asiwo anogona kurwisa ultraviolet uye kupenya, anogona kudzivirira maziso, chikonzero chekuchinja kwemavara ndechekuti kana lenzi yagadzirwa, inosanganiswa nezvinhu zvinonzwa chiedza. , zvakadai sesirivha chloride, sirivheri halide (pamwe chete inozivikanwa sesirivha halide), uye shoma shoma yemhangura oxide catalyst.Pese iyo silver halide inovhenekerwa nechiedza chakasimba, mwenje unoora uye wova mazhinji esirivha matema zvidimbu zvakagovaniswa mulenzi.Naizvozvo, iyo lens ichaita seyakasviba uye ichivharira kupfuura kwechiedza.Panguva ino, iyo lens ichave ine ruvara, iyo inogona kudzivirira mwenje kuti uwane chinangwa chekudzivirira maziso.
