Since 2006 Perfecting Online Eyeglass Lens Replacement Since 2006 - Eyeglass Lens Replacement Experts CLOSED SATURDAY, 5/25 - MONDAY 5/27, FOR MEMORIAL DAY Check out ReplaceALens on Yelp Contact Us FAQ Toggle search bar My Account My Cart ( ) HOME ORDER EYEGLASS LENSES OUR STORY GUARANTEE FAQ DENVER STORE Search... Search Submit Featuring Reviews & Reputation Home > Replacement Sunglass Lenses > Tinted Eyeglass Lenses > Lined Bifocal Lined Bifocal Tinted Lenses Lined bifocal lenses correct for two focal lengths, one on top, usually for distance, and a D-shaped bottom segment for reading. NEXT, SELECT YOUR LENS MATERIAL How to select the best lens material Running Total $69/pair CLOSE Eyeglass Lens Material Selection Guide for selecting the best lens material How to find your combined Rx Plastic Standard lens material. Great for low prescriptions. (Add $0) More Info › Polycarbonate Thinner and lighter material with full UV protection and increased shatter resistance. (Add $30) More Info › Trivex Durable material with excellent optical clarity & full UV protection. Recommended for rimless style frames. (Add $50) More Info › High Index 1.67 Thin and light material for higher prescriptions. Full UV protection. (Add $90) More Info ›