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flat top bifocal
Our lenses specification as below:Material: CR-39 ResinItem: Semi-Finished, FinishedRefractive Index: N= 1.499 / 1.56 / 1.61Surface Treatment: Uncoated / Hard Coated / AR Coated / HMC. EMI / UV400Types: Single Vision / Flat top Bifocal / Round top Bifocal / Blend Bifocal / ProgressiveColours: White Blank, blue / green / purple / golden coating, photochormic
All orders are custom made. Allow 30 days for most orders to ship. Custom envelopes additional charge (your design) . All envelope designs will be emailed for approval prior to printing. 30% deposit via wire transfer when order confirmed, 70% balance payable prior to shipping via wire transfer. Our pricing based upon order size.