Among the various types of human eye movements, one that is strongly related to degrees of concentration and wakefulness is the saccade, which is a type of high-speed eye movement. In order to measure the saccade, a contact method called EOG (electrooculogram) is generally used. In this study, a non-contact image measurement system for saccades has been successfully developed by measuring and analyzing facial images. By comparing the analysis results obtained from the EOG to those of the proposed method, it was found that our method could detect saccades by measuring the eye velocity of the subject and the correlation between the EOG and the eye velocity of the saccade was 0.94. Therefore, our method has a measurement precision that is approximately the same as that of the EOG.