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1.56 Semi Finished Bifocal Photo grey optical lenses
Kazhinji, magirazi e myopia anochinja ruvara haangogone kuunza nyore uye runako chete asiwo anogona kudzivirira ultraviolet uye glare, anogona kuchengetedza maziso, chikonzero chekuchinja kwemavara ndechekuti kana lenzi yagadzirwa, inosanganiswa nezvinhu zvinonzwa chiedza, zvakaita sesilver chloride, silver halide (inozivikanwa pamwe chete sesilver halide), uye huwandu hushoma hwe copper oxide catalyst. Pose apo silver halide inovhenekerwa nechiedza chakasimba, chiedza chinoora uye chinoita zvidimbu zvakawanda zvesirivha zvitema zvakagoverwa zvakaenzana mu lenzi. Nokudaro, lenzi ichaita seyakadzima uye inovhara kupfuura kwechiedza. Panguva ino, lenzi ichava neruvara, izvo zvinogona kudzivirira chiedza kuti chizadzise chinangwa chekudzivirira maziso.
