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In this paper, the the duration of horizontall saccadic eye movement is studied alls measurement system is designed using microprocessor to obtain the quantitized data The duration is measured using the beginning and ending points of the saccadic velocity threshold. The results obtained are as follows. 1. The average duration of the saccade for angle displacement of 0° to 20° lies between 25 and 60 msec, and represents the increasing curve except 9° and 12° 2. The average duration lfor angle displacement of 5°,10°,15°, and 20° is 40, 48, 57.5, and 62 msec, respectively. 3. Nasal movement has a little longer duration than temporeal movement. 4. The duration is not concerned with subject’’’’s will.
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