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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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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The iris surgical specimens from 8 patients (8 eyes) with congenital glaucoma were investigated by transmission electron microscopy.

对8例8只先天性青光眼虹膜手术切除标本进行了超微结构观察。

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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