她的目光好像盯着远处的什么东西，正常视线以外的东西。
Her eyes seemed fixed on something far away, something beyond normal sight.
由于具有头部跟踪可用，需要增加放置选项：比如，UI可以放置到用户的一侧，或在正常视线之上。
And with head tracking available, placement options are increased: the UI can be placed to the user's side, or above the normal line of sight, for instance.
几分钟过后，我的视线渐渐清晰开来，而我的左眼看起来也回复了正常。
After a couple of minutes my vision cleared, and the movement of my left eye seemed to return to normal.
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