File talk:Human eyesight two children and ball with retinitis pigmentosa or tunnel vision.png

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Human eyesight two children and ball normal vision.jpg
"The blackness surrounding the central image does not indicate darkness, but rather a lack of perceived visual information." then why not put a blur instead of the black background?CuteHappyBrute 08:22, 18 May 2008 (UTC)[回复]

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