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optic |
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optic 1. of or relating to the eye or vision 2. a less common word for optical optic [′äp·tik] (biology) Pertaining to the eye. (optics) Pertaining to the lenses, prisms, and mirrors of a camera, microscope, or other conventional optical instrument. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| There's no tint of pain, real pain, in the sensations of the optic nerve. The light from it had beat upon his sealed lids, and the eyes and the optic nerves had pulsated to little, sparklike flashes, warm-coloured and strangely pleasing. In the Articulata we can commence a series with an optic nerve merely coated with pigment, and without any other mechanism; and from this low stage, numerous gradations of structure, branching off in two fundamentally different lines, can be shown to exist, until we reach a moderately high stage of perfection. |
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