There is Digital Signal Analysis in the AccuPach VI that offers exceptional correctness and repeatability. The inherent IOP conversion creates calculating IOP rapid and easy. The voice output permits the user to focus totally on the patient as measurements out loud are verified by the AccuPach VI. The device offers a user-friendly touch-tone screen to its user that enables them to master the system in minutes. Revolutionary voice output characteristic calls out readings and enabling the user to focus more on the cornea. Accurate readings are ensured by the combination of high-class digital technology called Accutome's Digital Signal Analysis and probe sampling of 65 MHz. It can be linked to computer or printer through a USB Memory Stick. Digital waveform analysis assists to make sure measurements are correctly aligned. IOP measurements can be converted in seconds. The AccuPach VI is a portable device.