STYLE: Brands + Designers Rudy Project and Shamir to Offer Shamir Duo in Rudy Project’s ImpactX By Andrew Karp Monday, March 2, 2015 12:00 AM SAN CLEMENTE, Calif.—Rudy Project and Shamir are introducing Shamir Duo, a patent-pending, free-form bifocal design, in Rudy Project’s proprietary ImpactX material. ImpactX material has a lower refraction index, internal stress and chromatic dispersion than polycarbonate, resulting in higher definition and sharpened image, according to Rudy Project. The material is a next generation polymer derived from the chemistry that was originally developed for the U.S. military to use as helicopter windshields, the company said. The Shamir Duo offers surface continuity, eliminating the visible line that is associated with flat-top bifocals, providing the patient with improved optics. The image jump created by the visible dividing line in flat-tops results in loss of image. With Shamir Duo, a natural, distortion-free path is maintained as the eye moves from one vision zone to another, resulting in enhanced vision and comfort and improved aesthetics, Shamir said. The Shamir Duo in ImpactX is available exclusively through Rudy Project in a 15mm fitting height. akarp@jobson.com