By Sergio Canabrava, MD
    Video Journal of Cataract & Refractive Surgery
    Cataract/Anterior Segment

    The Canabrava Ring was developed by Dr. Sergio Canabrava from Brazil. The ring, now produced from PMMA, is helpful in cases of small pupils. Dr. Canabrava demonstrates how to insert and orient the ring with the help of a Sinskey hook.