It can be seen, then, that whiteness is directly determined through comparative ocular eye, whereas brightness refers to comparative optical reflectance.

由此可见，白度是指肉眼直接观察的对比结果，而亮度则是指光学反射的对比结果。

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This usually appears as one or more of three distinct syndromes: ocular (eye) disease (0.5-2% of patients), meningoencephalitis (less than 1%) or haemorrhagic fever (less than 1%).

通常会出现三种明显综合征中的一种或多种症候：眼部（眼睛）疾病（0.5-2%的患者）、脑膜炎（不到1%）或出血热（不到1%）。

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Jolanta Stettler, 39, of Denver, was told she had less than six months to live after getting a diagnosis of ocular melanoma, a rare cancer of the eye that had spread to her liver.

丹佛市39岁的Jolanta Stettler，被告知她患了眼黑色素瘤并且最多只有6个月可活；黑色素瘤是一种眼部少见肿瘤，而且病情已经播散到肝脏。

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Scientists have long discussed a phenomenon known as "ocular dominance, " which argues that each person prefers visual input from one eye over the other.

WSJ: Baseball's Oddest Fraternity