Literally seen it in his eyes, that was. Tsunaron had built an elaborate system of macro-micro focusing into her vision and she had found that, among many other things, this allowed her to check everyone's eyesight as well as diagnose any injury and trauma involving blows to the head. More than that, however, she discovered she could often observe the physical process of thought, particularly Tsunaron's. Thought she could not read his thoughts exactly, she knew his psychology and his patterns of behavior so well that she could at least offer a reasonably good guess as to what was on his mind.

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Jason X pages 299-300