Humphrey Zeiss 745
The Humphrey 745 perimeter includes all of the features of the 740 as well as Blue Yellow perimetry. The Humphrey 745 patented gaze tracking system to monitor the patients actual gaze position at the moment of each stimulus presentation. Gaze tracking provides real time evaluation of the eye fixation without the effects of head position, with no increase in testing time. An 850MB hard disk storage is provided to increase the test data comparison utility.