Komplette Einrichtung und Belieferung von Augen-OPs; International supplier for IOLs, Visco, Microsurgical Instruments back to selection We are still looking for distributors in different countries.   Impressum    Capsular tension rings are available in 12.0mm and in 13.0 mm      Tension rings are a sophisticated tool to stabilize the capsular bag during difficult surgical procedures or in case of weak zonula.