By Graham Barrett, MD
    Video Journal of Cataract and Refractive Surgery
    Cataract/Anterior Segment, Refractive Mgmt/Intervention

    In this award-winning video, Graham Barrett, MD, discusses his improved toric IOL calculator. Based on the Universal ll formula, the Barrett Toric Calculator takes into consideration lens position and posterior corneal curvature without actually measuring curvature. First introduced in 2013, the Barrett Toric Calculator is available on the websites of ASCRS (www.ascrs.org/barrett-toric- calculator) and APACRS (apacrs.org).