Welcome to the world of automatic refraction The APH 400 is an automatic refractor that integrates seamlessly into your refraction environment to speed examination and streamline workflow without the need to change your working methods. Interface that performs all routine manual refraction tasks. Wireless connections between components. Centralisation of every step of the visual examination on the tablet. Possibility to collect data from a lensmeter or an AKR. Freedom of movement and interaction with the patient.