当研究受试者返回现实世界时，他们在视觉聚焦、图像跟踪和手眼协调等方面都出现了问题。
When study subjects returned to the real world, they had trouble with visual focusing, tracking images and hand-eye coordination.
当把磁场聚焦在大脑的的视觉皮质上时，会促使受试者看见明亮的圆盘和线条。
Focusing magnetic fields on the visual cortex of the brain caused the subjects to see luminous discs and lines.
远视在某种程度上则相反，是较正常短些的眼球前后径或者太平坦的角膜使光线聚焦于视网膜后而不是之上，这导致近景视觉模糊和有时的远景视觉模糊;
Farsightedness is the opposite, in a way: A shorter-than-average eyeball or too-flat cornea focuses light behind the retina instead of on it, making near vision and sometimes distant vision blurry.
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