People may not realize they are even looking at a different screen. Remember, just because something happens in the visual field doesn't mean that people are consciously aware of it.
请记住，不能仅仅因为视野中出现了某样事物，就假定人们一定能有意识的感知到该事物。
Results: There were no different distribution in the most defect quadrant of static visual field in different types of glaucoma.
结果：不同类型的青光眼在静态阈值视野缺损出现的最大象限上差异无显著性。
There are six grades of space frequency, twelve grades of time frequency, twelve grades of visual field and different showing-time for each patterns.
该装置可以显示水平光栅、垂直光栅和棋格信号，具有六档不同的空间频率、十二档时间频率、十二档视野范围和显示时间控制。
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