NEW & IMPROVED Foxtrot 831GR Bifocal

831 Gradient"Foxtrot"  Bifocal....no correction on top/reader on the bottom NEW AND IMPROVED: Gradient tinted lens and durable TR 90 frame                            Domestic USPS fees:  Ground Advantage fee $5.25 / Usually 3=7 biz day delivery                                        Priority Mail $11.50 / Usually 2-3 biz day delivery Non-polarized lenses.  Brown tint enhances color and clarity. Shatter-resistant Polycarbonate lens/ Gradient tint (lighter tint near bottom of lens) Sporty Plastic Frame--TR 90 material more durable material than our first 831 version Base Curve 10 Reader is positioned on the reverse side of the lens, to be less noticeable as a bifocal lens Reader is "hidden" on back side of the lens, so it is less noticeable. Lens is 66mm (horizontally, from outside edge of frame to opposite edge of the lens) by 45mm vertically, including frame at top and bottom Reader starts 23mm down from top of lens.  Lens (not including frame) is 39mm vertically. 130mm total width bet