the low-cost eye tracking device and open-source systems have been presented in recent years. For example, RIT’s Wearable Eye Tracker, Open Gaze and Mouse Analyzer (OGAMA), Pupil [13], ITU Gaze Tracker, OpenEye [15], and the EyeWriter. However, the precision and accuracy are lower than a high-cost eye tracking device; therefore, maybe inappropriate for high quality testing of research.