Calligraphy AF™ and Calligraphy PV™ are customized regular corridor progressive lenses. Built to your specific prescription and frames, these lenses provide you with the sharper, clearer picture across all distances- near, intermediate and far. Using a revolutionary digital manufacturing process, with computer-aided design and surfacing, these lenses allow for the widest range of choices in framing. So pick any as per your taste and enjoy an optimized comfort as well as visual acuity.