Each cluster includes a pair of eyes with a sophisticated lens, retina, iris and cornea. Scientists aren't sure how they process what they see.

每组包括一对拥有复杂晶状体、视网膜、虹膜和角膜的眼睛。科学家们还不确定它们如何处理它们看到的东西。

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It is hard to look at the small blonde child on the right, her eyes expressly made creepy by the smudging of one iris, and not feel that Modigliani was trying to paint human pain itself.

观察右边这个金发碧眼的小孩子并不容易，由于她的一个虹膜被烟色涂污而使得她的双眼明显的表现出恐怖，而且没有感觉到莫迪里阿尼是在试图描绘人类自身的痛苦。

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An abnormal sensitivity to or intolerance of light, especially by the eyes, as may be caused by eye inflammation, lack of pigmentation in the iris, or various diseases.

畏光，羞明对光线不正常敏感或无法忍受，尤指由眼引起的，可能是由眼炎、眼球虹彩中缺少色素或其它疾病而引起的。

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In addition, the FBI could soon start comparing people's eyes -- specifically the iris, or the colored part of an eye -- as part of its new biometrics program called Next Generation Identification.

CNN: FBI wants palm prints, eye scans, tattoo mapping

Miss Lora touched you, and you suddenly looked up and noticed how large her eyes were in her thin face, how long her lashes were, how one iris had more bronze in it than the other.

NEWYORKER: Miss Lora