TONOREF® II is built for maximum durability and functionality. The product is a three-in-one unit for reliable patient flow and space-saving. It features the Pupil Zone Imaging Method for dependable refraction measurement and also has a SLD and highly sensitive CCD for high measurability of densely cataractous eyes and pseudophakic eyes. The product's state of the art design facilitates quick access to the eyelid. The TONOREF® II allows an enhanced patient flow by providing Auto Refractometer, Auto Keratometer and Non-Contact Tonometer measurement in one setting.