David Rips - Two of Younger's fastest growing Transitions products have just been combined: Polycarbonate Composite segmented multifocals and Transitions XTRActive! Just last year, Transitions Signature lenses were finally released in polycarbonate
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Semi-Finished Cr39 1.499 Flat Top Bifocal Hmc Sf FT-28 Eyeglasses Optical Lenses - China Semi Finished Optical Lens and Ophthalmic Lenses Manufacturers price | Made-in-China.com