CONCLUSION: Rotating grating conclude plenty of visual information, and it excites different areas of the optic center as a stimuli.
结论：旋转光栅包含丰富的视觉信息，作为刺激源可兴奋视觉中枢的不同区域。
Amblyopia occurs in the early stage of visual system development after born, and there is functionally abnormal development from retina to optic center.
弱视发生于出生后视觉系统的发育时期，从视网膜到大脑视觉中枢的功能性发育异常，临床主要表现为视网膜视力的低常。
The image of sphericity which does not located the principal optic axis is an ellipse based on pinhole model, and the image center offsets from the projection of the sphere center.
针孔成像模型下非主光轴上的球体成像为椭圆，椭圆中心偏离球心投影点。
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