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positive afterimage |
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positive afterimage [′päz·əd·iv ′af·tər‚im·ij] (physiology) An afterimage persisting after the eyes are closed or turned toward a dark background, and of the same color as the stimulating light. 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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