Flickering light increased the duration of the afterimage.Central fixation was stimulated by projecting the afterimage on detailed near work such as reading or sewing.

 
  • 闪烁光背景增加后像持续时间,利用后像对准阅读材料或精细作业,激发中心凹注视能力,改善注视功能,提高中心凹视力。
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