Libreng Form Progressive RX
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Digital progressive Lens–Libre mula sa progresibong mahusay na disenyo
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Anti fatigue at load reduction series
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1.56 Libreng Anyo Progressive HMC optical lens
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Progressive series sa freeform surface
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1.56 Libreng Anyo Progressive SHMC RX Lens
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Nangungunang Disenyo 1.56 Libreng Anyo Progressive 4.0 Bersyon 4K RX Lens
