The eye has a spherical eyeball and a lens that can adjust the focus. Its name comes from the fact that its optical system resembles a camera. It is found in vertebrates, including humans, and in cephalopods and gastropods, including squids and octopuses. Source: About Shogakukan Digital Daijisen Information | Legend |
球形の眼球と、ピントの調節が可能なレンズを備えた目。名称は、光学系がカメラに似ていることにちなむ。ヒトを含む脊椎動物、イカ・タコをはじめ軟体動物の頭足類・腹足類に見られる。
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