So it is possible that the retinal function and the movement perecption of the visual system could be diagnosed by the local OKN Which is elicited by the local small stimulus in open loop conditionn.

• 单光点刺激视带中央可诱发出清楚的OKN反应，这为临床上应用OKN客观测定视网膜功能和运动感知提供了可能性。