By John Marsh HOT! Single-vision, lined bifocal and progressive lens inserts available Patented system attaches Rx insert to nose piece of your sunglasses frame Thin polycarbonate Rx lens inserts make for light-weight, more comfortable sunglasses Rx lens inserts are cut and compensated to the frame to enhance field of vision and visual acuity Durable, … [Read more...] about SVED Optics Rx Sunglasses Review