由于左眼和右眼观看显示器的角度不同，利用这一角度差遮住光线就可将图像分配给右眼或者左眼，经过大脑将这两幅由差别的图像合成为一副具有空间深度和维度信息的图像，从而可以看到3D图像。-Due to different monitors left and right eye viewing angle, this angle difference between the use of light can be blocked assign an image to the right eye or left eye, through the brain by the image synthesis difference between these two is a pair of spatial depth and image dimension information, which can see a 3D image.