The C-Vue Advanced HydraVue Toric Multifocal can be designed to fit almost every possible combination of prescription and corneal size and shape. The Unilens C-Vue Advanced HydraVue Toric Multifocal is truly a customized lens for the "hard-to-fit" contact lens patient.The new C-VUE Advanced® HydraVUE™ featuring silicone hydrogel lens material is the result of a partnership between Unilens and Contamac the manufacturer of the new Definitive™ silicone hydrogel material. The Definitive material provides a high water content of 74%, Dk (oxygen permeability) of 60 Barrers, and low modulus, which ultimately results in excellent comfort for the contact lens wearer.