main products: CR-39:plano, tint plano, sph, sph/cyl, (all of with dia 65/70mm) high cyl (65mm) bifocal round and flat top, fuse bifoca, (all of with dia 70/28mm) lenticular(65mm), progressive(75mm), n=1.56:sph lens(72mm),sph/cyl lens(72mm) if you want...
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